Stick Diagram

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Digital Integrated Circuits © Prentice Hall 1995 Design Methodologies Symbolic Layout 1 3 In Out V DD GND Stick diagram of inverter • Dimensionless layout entities • Only topology is important • Final layout generated by “compaction” program

description

stick diagram

Transcript of Stick Diagram

Page 1: Stick Diagram

Digital Integrated Circuits © Prentice Hall 1995Design Methodologies

Symbolic Layout

1

3

In Out

VDD

GND

Stick diagram of inverter

• Dimensionless layout entities• Only topology is important• Final layout generated by “compaction” program

Page 2: Stick Diagram

Digital Integrated Circuits © Prentice Hall 1995Combinational Combinational LogicLogic

Two Versions of (a+b).c

a c b a b c

xx

GND

VDDVDD

GND

(a) Input order {a c b} (b) Input order {a b c}

Page 3: Stick Diagram

Kenneth R. Laker, University of Pennsylvania

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Vout

VDD

VB

VA

S

GD

D

GSD

GS

VA

S

GD

VB

kp

kp

knkn

Gate OxideField Oxide

n-Well

p+

Metal 1

Contact/via

COLOR LEGEND

Metal 3

Metal 2

p-Welln+

Polysilicon

VDD

GND

Vout

VA

VB

STICK DIAGRAM

VDD

GND

Vout

VA

VB