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© January 2, 2010 Dr. Lynn Fuller CMOS Testchip 2009 Page 1 Rochester Institute of Technology Microelectronic Engineering ROCHESTER INSTITUTE OF TECHNOLOGY MICROELECTRONIC ENGINEERING CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. Lynn Fuller Webpage: http://people.rit.edu/lffeee Microelectronic Engineering Rochester Institute of Technology 82 Lomb Memorial Drive Rochester, NY 14623-5604 Tel (585) 475-2035 Fax (585) 475-5041 Email: [email protected] Department webpage: http://www.microe.rit.edu 1-2-2010 CMOSTestchip2009.ppt

CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

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Page 1: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 1

Rochester Institute of TechnologyMicroelectronic Engineering

ROCHESTER INSTITUTE OF TECHNOLOGYMICROELECTRONIC ENGINEERING

CMOS Testchip 2009

Burak Baylav, Dr. Dhireesha Kudithipudi Dr. Lynn Fuller Webpage: http://people.rit.edu/lffeee Microelectronic Engineering

Rochester Institute of Technology 82 Lomb Memorial Drive Rochester, NY 14623-5604 Tel (585) 475-2035 Fax (585) 475-5041

Email: [email protected] Department webpage: http://www.microe.rit.edu

1-2-2010 CMOSTestchip2009.ppt

Page 2: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 2

Rochester Institute of TechnologyMicroelectronic Engineering

OUTLINE

IntroductionProcess TechnologyDesign RulesChip Floor PlanStructures for Fabrication Process and EvaluationSensorsDigital CircuitsAnalog CircuitsProjectsReferences

Page 3: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 3

Rochester Institute of TechnologyMicroelectronic Engineering

INTRODUCTION

This document will describe a new CMOS test chip. The test chipwill be used to develop CMOS process technology and to verify analog and digital circuit designs. In addition the test chip includes a variety of CMOS compatible sensors and signal processing electronics for those sensors. A section of the chip is for manufacturing process characterization and transistor parametriccharacterization. Other sections of the chip have basic digital and analog circuits, chip scale packaging designs and projects to evaluate various Microsystems architectures. For example a variable frequency oscillator, binary counter and shift register allows for capacitor sensor measurement and Blue-Tooth wireless transmission of data to a remote host. The test chip will be used with RIT’s SUB-CMOS and ADV-CMOS processes.

Page 4: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 4

Rochester Institute of TechnologyMicroelectronic Engineering

RIT SUBµ CMOS

RIT Subµ CMOS150 mm wafersNsub = 1E15 cm-3Nn-well = 3E16 cm-3Xj = 2.5 µmNp-well = 1E16 cm-3Xj = 3.0 µmLOCOSField Ox = 6000 ÅXox = 150 ÅLmin= 1.0 µmLDD/Side Wall Spacers2 Layers Aluminum

L

LongChannelBehavior

3.3 Volt TechnologyVT’s = +/- 0.75 VoltRobust Process (always works)Fully Characterized (SPICE)

Page 5: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 5

Rochester Institute of TechnologyMicroelectronic Engineering

RIT SUBµ CMOS

0.75 µm Aluminum

N-type Substrate 10 ohm-cm

P-well N-well

6000 ÅField Oxide

NMOSFET PMOSFETN+ Poly

Channel Stop

P+ D/SN+ D/SLDD

LDD n+ wellcontactp+ well

contact

Page 6: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 6

Rochester Institute of TechnologyMicroelectronic Engineering

RIT ADVANCED CMOS VER 150

RIT Advanced CMOS150 mm WafersNsub = 1E15 cm-3 or 10 ohm-cm, pNn-well = 1E17 cm-3Xj = 2.5 µmNp-well = 1E17 cm-3Xj = 2.5 µmShallow Trench IsolationField Ox (Trench Fill) = 4000 ÅDual Doped Gate n+ and p+Xox = 100 ÅLmin = 0.5 µm , Lpoly = 0.35 µm, Leff = 0.11 µmLDD/Nitride Side Wall SpacersTiSi2 SalicideTungsten Plugs, CMP, 2 Layers Aluminum

L

LongChannelBehavior

Vdd = 3.3 voltsVto=+- 0.75 volts

Page 7: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 7

Rochester Institute of TechnologyMicroelectronic Engineering

RIT ADVANCED CMOS

NMOSFET PMOSFET

N-wellP-well

N+ Poly

P+ D/SN+ D/S

LDDLDD

n+ wellcontact

p+ wellcontact

P+ Poly

Page 8: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 8

Rochester Institute of TechnologyMicroelectronic Engineering

DESIGN RULES

We will use a modified version of the MOSIS TSMC 0.35 2P 4M design rules. Eventually we hope to be compatible with MOSIS but new process technology needs to be developed at RIT to do that (PECVD Tungsten, improved lithography overlay, 4 layer metal). We plan to use one layer of poly and two layers of metal. We will use the same design layer numbers with additional layers as defined on the following pages for manufacturing/maskmaking enhancements. Many of the designs will use minimum drawn poly gate lengths of 2µm where circuit architecture is the main purpose of the design. Minimum size devices (Drawn Poly = 0.5µm, etc.) are included to develop manufacturing process technology. These transistors (0.5µm drawn) yield 0.35µm Leff and are equivalent to the TSMC 0.35µm transistors.

Page 9: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 9

Rochester Institute of TechnologyMicroelectronic Engineering

LAMBDA, Lmin, Ldrawn, Lmask, Lpoly, Lint, Leff, L

LeffL

Source at 0 V

Drain at 3.3V

Gate

LdrawnLmaskLpoly

Lmin = min drawn poly length, 2λ

Lresist after photo (resist trimming??)

Lmask = ? Depends on +/-bias

Lpoly after poly reoxidation

Internal Channel Length, Lint =distance between junctions, including under diffusionEffective Channel Length, Leff = distance between space charge layers,Vd = Vs= 0Channel Length, L, = distance between space charge layers, when Vd= what it isExtracted Channel Length Parameters = anything that makes the fit good (not real)

Lint

0.50µm

1.00µm x 5

0.50µm

0.35µm

0.30µm

0.20µm

0.11µm

Lpoly after poly etch 0.40µm

Ldrawn = what was drawn

Lambda = design rule parameter, λ, ie 0.25µm

Page 10: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 10

Rochester Institute of TechnologyMicroelectronic Engineering

MOSIS TSMC 0.35 2POLY 4 METAL PROCESS

http://www.mosis.com/Technical/Designrules/scmos/scmos-main.html#tech-codes

Page 11: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 11

Rochester Institute of TechnologyMicroelectronic Engineering

MOSIS TSMC 0.35 2-POLY 4-METAL LAYERS

Solder Bump62Metal3.iMETAL3

Under Bump Metal61Via2.iVIA2

Metal2.i

Via.i

Metal1.i

Contact.i

P_plus_select.i

N_plus_select.i

Poly.i

Active.i

N_well.i

MENTOR NAME

51METAL2

50VIA

49METAL1

Active_contact.i 48poly_contact.i 47

25CONTACT

44P PLUS

45N PLUS

46POLY

43ACTIVE

42N WELL

COMMENTGDS #

MASK LAYER NAME

These are the main design layers up through metal two

Page 12: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 12

Rochester Institute of TechnologyMicroelectronic Engineering

MORE LAYERS USED IN MASK MAKING

Areas for no STI tiling 89tile_exclusion

Placed on nwell level mask82nw_res

Placed on first level mask81alignment

n plus

p plus

LDD

pmos_vt

channel_stop

active_lettering

cell_outline.i

NAME

Overlay/Resolution for N+ Mask88

Overlay/Resolution for P+ Mask87

Overlay/Resolution for LDD Masks86

Overlay/Resolution for Vt Mask85

Overlay/Resolution for Stop Mask84

Placed on active mask83

Not used70

COMMENTGDS LAYER

These are the additional layers used in layout and mask making

Page 13: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 13

Rochester Institute of TechnologyMicroelectronic Engineering

OTHER LAYERS

N-WELL (42)ACTIVE (43)POLY (46)P-SELECT (44)N-SELECT (45)CC (25)METAL 1 (49)VIA (50)METAL 2 (51)

Design Layers Other Design LayersP+ Resolution (87)STI Resolution (82)Stop Resolution (84)Vt Resolution (85)Active Resolution (83)N+ Resolution (88)

2.0

1.5

1.0

2.0

1.5

1.0

2.0

1.5

1.0

2.0

1.5

1.0

Active Stop

STI

83

Nmos Vt Poly2.0

1.5

1.0

P+

2.0

1.5

1.0

N+

88

8546

81

84 87

42 4549

43

44

25

Page 14: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 14

Rochester Institute of TechnologyMicroelectronic Engineering

MASK ORDER FORM

Page 15: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 15

Rochester Institute of TechnologyMicroelectronic Engineering

FLOORPLAN AND HIERARCHY

Process & Manufacturing

StructuresSensors

DigitalCells

DigitalMacro Cells

Analogand

Mixed

Alignment, Resolution, Overlay, Logo, Title

MEMSProject 2

Project 1

PackagingProject

CMOSTestchip2007ProcessDigital

Primitive CellsBasic CellsMacro Cells

Analog & MixedProjects

PackagingMEMSProject 1Project2

PackagingProject

Page 16: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 16

Rochester Institute of TechnologyMicroelectronic Engineering

OVERALL CHIP LAYOUT

The test chip is divided into nine cells each 5 mm by 5 mm. The cells are divided into 36 individual tiny cells each 800 µm by 800 µm in size plus 200 µm sawing streets. Most structures fit into the tiny cells including a 12 probe pad layout for probe card testing. The overall chip size is 14800 µm by 14800µm plus 200 µm sawing street to give x and y step size of 15 mm by 15 mm.

(14800,14800)

Page 17: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 17

Rochester Institute of TechnologyMicroelectronic Engineering

JOHN GALT CMOS TESTCHIP

2009

Page 18: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 18

Rochester Institute of TechnologyMicroelectronic Engineering

4-BIT MICROPROCESSOR

Page 19: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 19

Rochester Institute of TechnologyMicroelectronic Engineering

ANALOG TO DIGITAL CONVERTER

Output Register

Successive Approximation Register

DAC

Ref Buf

Comp

Page 20: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 20

Rochester Institute of TechnologyMicroelectronic Engineering

TINY CELL

800µm by 800µm

36 x 9 = 324

Page 21: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 21

Rochester Institute of TechnologyMicroelectronic Engineering

STRUCTURES FOR FAB PROCESS & EVALUATION

Alignment StructuresOverlay and Resolution StructuresBig areas for measurement (Big Transistors)SEM StructuresCC ChainsSerpentines and Fingers for M1-M2 open and shortsVan Der Pauw’sCBKR’sNMOS and PMOS Transistors of Various SizesFully Scaled Sub-Micron TransistorsField Oxide TransistorsRing OscillatorsPackage Test Structures

Page 22: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 22

Rochester Institute of TechnologyMicroelectronic Engineering

ALIGNMENT KEYS

On First Level Nwell or STI On Metal 1

Page 23: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 23

Rochester Institute of TechnologyMicroelectronic Engineering

RESOLUTION AND OVERLAY

Page 24: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 24

Rochester Institute of TechnologyMicroelectronic Engineering

BIG NMOS AND PMOS FETS

L/W = 100µm/150µmBig enough for easy Nanospec Measurements

Page 25: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 25

Rochester Institute of TechnologyMicroelectronic Engineering

FIELD OXIDE NMOS AND PMOS FET’S

Page 26: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 26

Rochester Institute of TechnologyMicroelectronic Engineering

NMOS AND PMOS TRANSISTORS

VariousL/W

Ratios

PMOS 2/8

1/4 2/4 4/4 8/4 16/4 32/4 1/8 2/8 4/8 8/8 16/8 32/8 1/32 2/32 4/32 8/32 16/32 32/32

NMOS 2/8

Page 27: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 27

Rochester Institute of TechnologyMicroelectronic Engineering

FULLY SCALED SUB MICRON TRANSISTORS

Page 28: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 28

Rochester Institute of TechnologyMicroelectronic Engineering

RING OSCILLATORS AND SEM STRUCTURES

17 Stage Un-buffered Output

L/W 8/16 4/16 2/16

L/W=2/30 Buffered Output

73 Stage 37 Stage

SEM StructuresCMOS Inverter Crossection

Page 29: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 29

Rochester Institute of TechnologyMicroelectronic Engineering

VAN DER PAUWS AND CBKR’s

NWELL PWELL N+ P+ N-POLY M1 P-POLY M2

2µm M1toPoly2µm M1toM22µm M1toP+

4µm M1toPoly4µm M1toM24µm M1toP+

4µm M1toP+4µm M1toN+4µm M1toN+

2µm M1toP+2µm M1toN+2µm M1toN+

Page 30: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 30

Rochester Institute of TechnologyMicroelectronic Engineering

SERPENTINES, COMBS, AND VIA CHAINS

To evaluate metal1, metal2, CC and Via layer quality.

Page 31: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 31

Rochester Institute of TechnologyMicroelectronic Engineering

RING OSCILLATORS AND SEM STRUCTURES

17 Stage Un-buffered Output

L/W 8/16 4/16 2/16

L/W=2/30 Buffered Output

73 Stage 37 Stage

SEM StructuresCMOS Inverter Crossection

Page 32: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 32

Rochester Institute of TechnologyMicroelectronic Engineering

SEM CROSSECTION OF INVERTER

P-well N-well

NMOSFET PMOSFET

Need to polish, etch then SEM

Page 33: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 33

Rochester Institute of TechnologyMicroelectronic Engineering

SENSORS

Interdigitated and Plate CapacitorsDiodes and HeatersResistorsPhotovoltaic Cells, 1x, 2x, 4xTwo side by side pn diode sensors for differential readout

Page 34: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 34

Rochester Institute of TechnologyMicroelectronic Engineering

CAPACITORS

120 Fingers gives ~0.3 pF

M2 M1

670µm/470µm Plate~3 pF

M1 to M2 M1 to Poly

Page 35: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 35

Rochester Institute of TechnologyMicroelectronic Engineering

DIODES AND HEATERS

Poly Heater on top of Diodes

Integrated series well resistor.

Page 36: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 36

Rochester Institute of TechnologyMicroelectronic Engineering

RESISTORS

P+ in Nwell N+ in Pwell

Page 37: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 37

Rochester Institute of TechnologyMicroelectronic Engineering

RESISTORS

N+ PolyNwell in P substrate 6 different Resistor Designs

Page 38: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 38

Rochester Institute of TechnologyMicroelectronic Engineering

PHOTOVOLTAIC DEVICES

8 cell battery dual cells single cell

P+ in Nwell

~350µmby

~350µm

Page 39: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 39

Rochester Institute of TechnologyMicroelectronic Engineering

BIG PHOTO VOLTAIC CELL

Page 40: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 40

Rochester Institute of TechnologyMicroelectronic Engineering

DIGITAL CIRCUITS

Primitive CellsINVERTER, NAND2,3,4, NOR2,3,4, NULL

Basic CellsXOR, MUX, DEMUX, ENCODER, DECODERFULL ADDER, FLIP FLOPS

Macro CellsBINARY COUNTERSRAM

Page 41: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 41

Rochester Institute of TechnologyMicroelectronic Engineering

PRIMITIVE CELLS WITH PADS

INV/NOR4 NOR3/NAND2 NOR2/NAND3 INV/NAND4

Page 42: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 42

Rochester Institute of TechnologyMicroelectronic Engineering

CMOS INVERTER

Vin Vout

Vin

CMOS

+V

Vout

Idd

TRUTH TABLE

VOUTVIN

0 11 0

PMOS

NMOS

W = 40 µmLdrawn = 2.5µmLpoly = 1.0µmLeff = 0.35 µm

Page 43: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 43

Rochester Institute of TechnologyMicroelectronic Engineering

PRIMITIVE CELLS

Page 44: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

BASIC DIGITAL CELLS WITH PADS

Multiplexer XOR Full Adder Encoder Decoder Demux

Edge Triggered D FF

Decoder

JK FF

Page 45: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

4 TO 1 MULTIPLEXER

I0

I1

I2

I3

Q

A

B

Page 46: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

BASIC CELL XOR

Port out

Input A

XOR

Input B

Port in

Port in

XOR = A’B+AB’

A’

B

B’

A

A’B

AB’

XOR

Page 47: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

XOR

Page 48: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

FULL ADDER

Page 49: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

1 TO 4 DEMULTIPLEXER

A

B

I

Q0

Q1

Q2

Q3

Page 50: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

DECODER

Q0

Q1

Q2

Q3

A

B

Page 51: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

ENCODER

Q0 Q10 0 0 11 01 1

A B C D1 0 0 00 1 0 00 0 1 00 0 0 1

Q0Q1Q2

Qn

Coded OutputLines

Digital Encoder

512 inputs can be coded into 9 lineswhich is a more dramatic benefit

AB

CD

Q1

Q2No Connection

Page 52: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

EDGE TRIGGERED D TYPE FLIP FLOP

Page 53: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

JK FLIP FLOP

Page 54: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 54

Rochester Institute of TechnologyMicroelectronic Engineering

T-TYPE FILP-FLOP

TOGGEL FLIP FLOP

Q

QBAR

Q: Toggles High and Low with Each Input

QQn-1

0 0 00 1 11 0 11 1 0

T

T

Page 55: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 55

Rochester Institute of TechnologyMicroelectronic Engineering

BINARY COUNTER USING T TYPE FLIP FLOPS

TOGGEL FLIP FLOP

QQn-1

0 0 00 1 11 0 11 1 0

T

BA

0 0 0 0 0 1 0 0 10 0 1 0 1 0 0 1 10 1 0 0 1 1 0 0 10 1 1 1 0 0 1 1 11 0 0 1 0 1 0 0 11 0 1 1 1 0 0 1 11 1 0 1 1 1 0 0 11 1 1 0 0 0 1 1 1

C

State Table for Binary Counter

Present Next F-FState State Inputs

BA C TA TB TC

ABC 0 1

00

01

11

10

0

0

0

1 1

0

00

InputPulses

TA

ABC 0 1

00

01

11

10

0

1

0

1 1

1

00

TB

ABC 0 1

00

01

11

10

1

1

1

1 1

1

11

TC

A

A

TA

B

B

TB

C

C

Tc

Page 56: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 56

Rochester Institute of TechnologyMicroelectronic Engineering

3-BIT BINARY COUNTER WITH D FLIP FLOPS

Page 57: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

MACROCELLS

Binary CounterSRAM

Page 58: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 58

Rochester Institute of TechnologyMicroelectronic Engineering

3-BIT BINARY COUNTER/SHIFT REGISTER

Binary CounterSerial OutputAsynchronous ResetCount Up EnableShift Out Clock InputCount Up Clock InputStart Bit and Stop Bit

Page 59: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 59

Rochester Institute of TechnologyMicroelectronic Engineering

8-BIT BINARY COUNTER

Page 60: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

8-BIT BINARY COUNTER WITH PADS

Page 61: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 61

Rochester Institute of TechnologyMicroelectronic Engineering

SRAM

BL

M3

Vdd

WL

M4

M1

M2

M5

M6

BL

QQ

21

3 6

4

5

GND

Page 62: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

ANALOG AND MIXED MODE CIRCUITS

Operational AmplifierInverter with HysteresisRC OscillatorTwo Phase ClockAnalog SwitchesVoltage Doubler, TriplerAnalog MultiplexerComparator with HysteresisA-to-DD-to-AOTA, Biquad Filter, Elliptic FilterProgrammable Binary Weighted Resistors

Page 63: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 63

Rochester Institute of TechnologyMicroelectronic Engineering

SPICE PARAMETERS FOR SUB-CMOS PROCESS

*This file is called: RIT_MICROE_MODELS.TXT**1-15-2007 FROM DR. FULLER’S SPREADSHEET WITH VT0=0.75.MODEL RITSUBN49 NMOS (LEVEL=49 VERSION=3.1 CAPMOD=2 MOBMOD=1+TOX=1.5E-8 XJ=1.84E-7 NCH=1.45E17 NSUB=5.33E16 XT=8.66E-8 NSS=3E11 +XWREF=2.0E-7 XLREF=2.95E-7 VTH0=0.75 U0= 950 WINT=2.0E-7 LINT=1.84E-7 +NGATE=5E20 RSH=1082 JS=3.23E-8 JSW=3.23E-8 CJ=6.8E-4 MJ=0.5 PB=0.95+CJSW=1.26E-10 MJSW=0.5 PBSW=0.95 PCLM=5+CGS0=3.4E-10 CGD0=3.4E-10 CGB0=5.75E-10)**1-17-2007 FROM DR. FULLER’S SPREADSHEET WITH VT0=-0.75.MODEL RITSUBP49 PMOS (LEVEL=49 VERSION=3.1 CAPMOD=2 MOBMOD=1+TOX=1.5E-8 XJ=2.26E-7 NCH=7.12E16 NSUB=3.16E16 XT=8.66E-8 NSS=3E11 PCLM=5+XWREF= 2.0E-7 XLREF=3.61E-7 VTH0=-0.75 U0= 376.72 WINT=2.0E-7 LINT=2.26E-7 +RSH=1347 JS=3.51E-8 JSW=3.51E-8 CJ=5.28E-4 MJ=0.5 PB=0.94+CJSW=1.19E-10 MJSW=0.5 PBSW=0.94 NGATE=5E20 +CGS0=4.5E-10 CGD0=4.5E-10 CGB0=5.75E-10)*

Page 64: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 64

Rochester Institute of TechnologyMicroelectronic Engineering

OPERATIONAL AMPLIFIER

Version 1

Page 65: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 65

Rochester Institute of TechnologyMicroelectronic Engineering

VERSION 1 OPERATIONAL AMPLIFIER

+V

-V

Vin+Vout

Vin-M1 M2

M3

M5

M4

M7

M6

M8

M9

M10

M11

80/20

80/20

L/W80/20

20/40

20/30

20/40 20/40

20/40

20/40

20/30 20/30

dimensions L/W(µm/µm)

p-well CMOS

8

7

6

5

1

2

3

94

20

10

Page 66: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 66

Rochester Institute of TechnologyMicroelectronic Engineering

SPICE ANALYSIS OF OP AMP VERSION 2

.incl rit_sub_param.txtm1 8 9 7 6 cmosn w=9u l=5u nrd=1 nrs=1 ad=45p pd=28u as=45p ps=28um2 1 10 7 6 cmosn w=9u l=5u nrd=1 nrs=1 ad=45p pd=28u as=45p ps=28um3 8 8 4 4 cmosp w=21u l=5u nrd=1 nrs=1 ad=102p pd=50u as=102p ps=50um4 1 8 4 4 cmosp w=21u l=5u nrd=1 nrs=1 ad=102p pd=50u as=102p ps=50um5 7 5 6 6 cmosn w=40u l=5u nrd=1 nrs=1 ad=205p pd=90u as=205p ps=90um6 2 1 4 4 cmosp w=190u l=5u nrd=1 nrs=1 ad=950p pd=400u as=950p ps=400u m7 2 5 6 6 cmosn w=190u l=5u nrd=1 nrs=1 ad=950p pd=400u as=950p ps=400u m8 5 5 6 6 cmosn w=40u l=5u nrd=1 nrs=1 ad=205p pd=90u as=205p ps=90uvdd 4 0 3vss 6 0 -3cprobe 2 0 30pRprobe 2 0 1megcc 1 2 0.6pmr1 20 20 4 4 cmosp w=6u l=10u nrd=1 nrs=1 ad=200p pd=60u as=200p ps=60umr2 5 5 20 4 cmosp w=6u l=10u nrd=1 nrs=1 ad=200p pd=60u as=200p ps=60u*******************************dc open loop gain*********vi1 9 0 0vi2 10 0 0 *.dc vi2 -0.002 0.002 1u.dc vi2 -1 1 0.1m*****open loop frequency

characteristics******vi1 9 0 0 *vi2 10 0 dc 0 ac 1u*.ac dec 100 10 1g.end

13.5kV/V gain

Page 67: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 67

Rochester Institute of TechnologyMicroelectronic Engineering

INVERTER WITH HYSTERESIS – RC OSCILLATOR

Page 68: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 68

Rochester Institute of TechnologyMicroelectronic Engineering

TWO PHASE CLOCK

CLOCKBAR

CLOCK Φ1

Φ2t3

t2

t1

S

RQ

Page 69: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 69

Rochester Institute of TechnologyMicroelectronic Engineering

WINSPICE SIMULATION FOR VERSION TWO + BUFFERS

CLOCKBAR

CLOCK Φ1

Φ2t3

t2

t1

S

R

Next Design add buffers

Page 70: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

TWO PHASE CLOCK WITH BUFFERS

Page 71: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 71

Rochester Institute of TechnologyMicroelectronic Engineering

ANALOG SWITCH

DS

0-5V Logic Control

Vout

+5

SDVin

+V

-V

Page 72: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

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Rochester Institute of TechnologyMicroelectronic Engineering

VOLTAGE DOUBLER

VddC1

Φ1

Φ2

C1

Φ2

Φ1

Φ1Φ1

Φ2

CLoadRLoad

Voltage Tripler

Page 73: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 73

Rochester Institute of TechnologyMicroelectronic Engineering

OPERATIONAL TRANSCONDUCTANCE AMPLIFIER

+V

-V

Vin+Vin-M1 M2

M3

M5

M4

12/30 12/30

12/30

12/30 12/30

CMOS Realization

5

1

2

4

Va +

V- Ibias

V+

VbIout

-

Va +

Vb

Iout

- Ibias

Iout

gm(Va-Vb) Vref

M3 M4

12/30

Note: gm is set by Ibias

Page 74: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 74

Rochester Institute of TechnologyMicroelectronic Engineering

BIQUAD FILTER

VC

+

V- Ibias

V+

-

+

V- Ibias

V+

Vout-

VA +

V- Ibias

V+

-

+

V- Ibias

V+

-

C2

C1

VB +

V- Ibias

V+

-

gm1

gm4

gm3gm2

gm5

Page 75: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 75

Rochester Institute of TechnologyMicroelectronic Engineering

BIQUAD FILTER

Vout = (s2C1C2Vc + s C1 gm4 Vb + gm2 gm5 Va)/(s2C1C2+ sC1gm3+gm2gm1)

This filter can be used as a low-pass, high-pass, bandpass, bandrejection and all pass filter. Depending on the C and gm values a Butterworth, Chebyshev, Elliptic or any other configuration can be achieved

For example: let Vc=Vb=0 and Va=Vin, also let all gm be equal, then

Vout = Vin / (s2C1C2/ gmgm + sC1/gm + 1)

which is a second order low pass filter with corner frequency at

ωc = gm / C1C2 and Q = C2/C1

Page 76: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 76

Rochester Institute of TechnologyMicroelectronic Engineering

OTA, BIQUAD ELLIPTIC FILTER

Elliptic

Butterworth

Chebycheff

gain

frequency

LOWPASS FILTERS

Page 77: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 77

Rochester Institute of TechnologyMicroelectronic Engineering

3 BIT ANALOG TO DIGITAL CONVERTER

+V Vin

22 2021

Comparators

Decoding LogicSegmentDetector

8V

7V

6V

3V

4V

5V

1V

2V1

3.5V

1

1

0

0

0

0

+-

1

0

0

0

0

0

0

0 11

+-

+-

+-

+-

+-

+-

Page 78: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 78

Rochester Institute of TechnologyMicroelectronic Engineering

3 BIT ANALOG TO DIGITAL CONVERTER

Page 79: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 79

Rochester Institute of TechnologyMicroelectronic Engineering

ANALOG MULTIPLEXER

7 BIT COUNTER

ClockReset

Analog out

Sync pulse(at 0000000B)

Sync

SWITCHES

D1D2

D4D3

D8

D5D6D7

A A B B C C128

PHO

TOD

IOD

ES

A….G

Page 80: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 80

Rochester Institute of TechnologyMicroelectronic Engineering

8 TO 1 ANALOG MUX

Page 81: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 81

Rochester Institute of TechnologyMicroelectronic Engineering

3 BIT D TO A

Vref b1 b1 b2 b3b3b2

Vout

MSB

LSB

Page 82: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 82

Rochester Institute of TechnologyMicroelectronic Engineering

3 BIT D TO A

Page 83: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 83

Rochester Institute of TechnologyMicroelectronic Engineering

PROJECTS

Wireless Capacitive SensorMEMS Pressure SensorSpectro PhotometerHearing AidCCDCCD Imager

Page 84: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 84

Rochester Institute of TechnologyMicroelectronic Engineering

WIRELESS CAPACITIVE SENSOR PROJECT

CCLK

RCO____CCKEN______

0000000001

00000000

3 V

1 1

CCLR_____RCLK

RCLKSCLK

10-bit (Left) Shift Register

8-bitBinary Counter

Bluetooth SerialRF Link

CTS

TX

RX

RTS

2.4 kHz

5 Hz

5 Hz

Start Bit

Stop Bit

Internal Counter

000000 00 RC OscillatorSensor

RC Oscillator RC Oscillator

Page 85: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 85

Rochester Institute of TechnologyMicroelectronic Engineering

WIRELESS CAPACITIVE SENSOR PROJECT

Page 86: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 86

Rochester Institute of TechnologyMicroelectronic Engineering

MEMS PRESSURE SENSOR

Page 87: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 87

Rochester Institute of TechnologyMicroelectronic Engineering

SPECTRO PHOTOMETER PROJECT

AA’

B

B’C

C’

D0D7

Rf

-+Ri

CReset Internal

100 pF-+ Vout

7 B

it C

ount

er

Page 88: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 88

Rochester Institute of TechnologyMicroelectronic Engineering

SOLDER BUMP TEST CHIP

1000µm center-to-center225µm diameter circle

Under bump metal is Cr/Ni and is defined by a lift-off lithography.

The solder is printed using a 150um photoresist and solder paste. (or 500um solder ball is placed over circle)

Page 89: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 89

Rochester Institute of TechnologyMicroelectronic Engineering

LOGO AND ACKNOWLEDGEMENTS

Page 90: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 90

Rochester Institute of TechnologyMicroelectronic Engineering

REFERENCES

1. Introduction to VLSI Systems, Carver Mead and Lynn Conway, Addison-Wesley Publishing Company, 1980.

2. Analog VLSI Design - nMOS and CMOS Malcomb R. Haskard and Ian C. May, Prentice Hall Publishing Company.

3. Principles of CMOS VLSI Design - A Systems Perspective, Neil Weste, and Kaman Eshraghian, Addison-Wesley Publishing Company, 1985.

4. CMOS Analog Circuit Design, Phillip E. Allen and Douglas R. Holberg, Holt, Rinehart and Winston Publishers, 1987.

5. Analysis and Design of Analog Integrated Circuits, Paul R. Gray and Robert G. Meyer, John Wiley and Sons Publishers, 1977.

6. Switched Capacitor Circuits, Phillip E. Allen and Edgar Sanchez-Sinencio, Van Nostrand Reinhold Publishers, 1984.

7. “Active Filter Design Using Operational Transconductance Amplifiers: A Tutorial,” Randall L. Geiger and Edgar Sanchez-Sinencio, IEEE Circuits and Devices Magazine, March 1985, pg. 20-32.

8. Digital Principles and Design, Donald Givone, 2003, pg 3219. MOSIS SCMOS at http://www.mosis.com10. Texas Instruments, Data Sheet for inverter with hysteresis.

Page 91: CMOS Testchip 2009 Burak Baylav, Dr. Dhireesha Kudithipudi Dr. …gnusha.org/~nmz787/mems/unorganized/CMOSTestchip2009.pdf · 2010. 1. 6. · Dual Doped Gate n+ and p+ Xox = 100 Å

© January 2, 2010 Dr. Lynn Fuller

CMOS Testchip 2009

Page 91

Rochester Institute of TechnologyMicroelectronic Engineering

HOMEWORK

1. Calculate the expected values of some of the resistor test structures.

2. Calculate the expected values of some of the capacitor test structures.