Page 1EL/CCUT T.-C. Huang Oct. 2003 TCH CCUT Introduction to IC Design Tsung-Chu Huang ( 黃宗柱 ) Department of Electronic Eng. Chong Chou Institute of Tech.

Page 1EL/CCUT T.-C. Huang Oct. 2003

TCH

CCUT

Introduction to IC DesignIntroduction to IC Design

Tsung-Chu Huang(黃宗柱 )

Department of Electronic Eng.Chong Chou Institute of Tech.

Email: [email protected]

2003/10/20


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Announcement1. Syllabus Exchange due to Your

Background and My Schedule

2. Quick through SPICE-like Tools This Week for Homework #2

3. Midterm Exam on Nov. 10, 2003


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Node OrderingBi-terminal Device 1 2

1

2

3 1

2

3

3

2

1

4 4

1

2

3

Q1 C B E M Area

M1 D G S M W= L=


TCH

CCUT

Announcement1. Syllabus Exchange due to Your

Background and My Schedule

2. Quick through SPICE-like Tools This Week for Homework #2

3. Midterm Exam on Nov. 10, 2003


TCH

CCUT

Introduction to SPICE1. Simulation Program with IC Emphasis

2. Originated by Prof. D. O. Pederson, UCB, ’70s.

3. SPICE I, II, III → Public Domain in the Internet.

4. HSPICE: MetaSoft Inc., CA. → Avant! Inc., CA.

5. PSPICE: MicroSim Inc., CA. → OrCAD Inc.

→ Cadence Inc.

6. IS-SPICE: IntuSoft, Inc. Interactivity Emphasized.


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A StoryBy Despain, USC

Braton: Espresso

Pederson: SPICE

PLA-Based Synthesizer

Addressing to Espresso?


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Circuit Simulation Tools1. Switch Level:

• Verilog, VHDL, SILOS, Susie, etc.

2. Transistor Level (Linear & Exponential) Simulation

• PowerMill, TimeMill, Star-Sim

3. Time-Domain

• Star-HSPICE, SBTSPICE, Spectre (RF)

4. Frequency Domain

• ADS, Harmonica, Eldo (RF)

5. Other Approaches

• Matlab


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Basic Flow* CircuitR1 1 2 1KC1 2 0 1N.TRAN.END

CompilerSimulator

REPORTPower=...Time=......


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Basic Analyses

time

Signal

0

Trasient state

Steady state

DC

AC


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Basic Analyses

Transient Analy.

DC Analysis

AC Analysis

3 Major Analyses

TIME (s)

V, I, etc

Frequency (Hz)

X-Axis (Variable)

.TRAN Ts Tf

.DC Vs B E ∆

.AC Dec R B E

Basic Command

Delay Measurement

Transfer Function

Bode Plot

Basic Application

t

Vin

f

t

Vin

f


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Extension Analyses

Transient Analy.

DC Analysis

AC Analysis

3 Major Analyses

TIME (s)

V, I, etc

Frequency (Hz)

X-Axis (Variable)

t

Vin

f

.TF

.FOUR

Extension

.PARAMETER

Statistical

.Monte Carlo

.Noise

.PZ .DISTO

.OP

.SENS

.TEMP


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Basics: Orders1210 T Tera-910 G Giga-610 M Mega-310 K Kilo-010310 m Mini-610 Micro-910 n Nano-1210 p Pico-1510 f Femto-

T

G

MEG

K

M, m

U

N

P

F

uE 314.714.31014.3 7


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Basics: Physical Units

V

f

G

Prefix, Symbol

Time, t

I

R

Voltage

Frequency

Conductance

Physical Var.

Time

Current

Resistance

Volt, V

Hz

Mho

Units

Second, s

Amp, A

Ohm, Ω

CCapacitance F

L Inductance Henry


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Basics: More Prefix

V

f

G

Prefix, Symbol

Time, t

I

R

Voltage

Frequency

Conductance

Physical Var.

Time

Current

Resistance

CCapacitance

L Inductance

E

G

M

Prefix, Symbol

D

F

H

VCVS

VCCS

MOS

Device

Diode

CCCS

CCVS

QBJT

S Switch

XSub-circuit


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Circuitry Description

Some Device with Prefix PPname

1

2

+5V

N001

John

Out

Pname 1 2 +5V N001 John Out


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Implied ModelBasic Devices with Prime Characteristics

Some Device with Prefix PPname

With prime characteristicsvalue X

1

2

+5V

N001

John

Out

Pname 1 2 +5V N001 John Out X

e.g., L, R, C, V, I, S, E, F, G, H


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ExampleA Low-Pass 1st-Order RC Circuit

Vs

R1

C2

0

43 Vs 3 0 9VR1 3 4 56C2 4 0 3P


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SPICE ModelingPname N1 N2 XMname Options

.MODEL Mname MType ( Parameter1=..., +Parameter2=..., Parameter3=..., ... etc.)


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Basic SPICE Source

* Circuit Name

* Remark prefixed with a star sign

• TRAN 1ps 2us• END

*NetlistM2 1 2 3 4 MN.Model MN NMOS ...R3 0 IN 33KCb Out 0 2.3nF....


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Node OrderingBi-terminal Device 1 2

1

2

3 1

2

3

3

2

1

4 4

1

2

3

Q1 C B E M Area

M1 D G S M W= L=


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Source Function

PieceWise Line, PWL(0 0 1u 1 1 0.5 3.5 2)

3.5

0.5ms

1.5SIN(3.5 2 2K)


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Tool Installation and Demo

1. HSPICE: from CIC, NT$2000 for first

2. PSPICE: Educational Version can be downloaded fro

m the

network.

3. Demo using DesignLab 8.0 / OrCAD


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Homewrok #2

1. Familiarize any SPICE Tool

2. Manually or by a C- or Perl- Script to makeup or update SPICE programs to select CMOS inverters with Gate-Threshold Voltages at 1.5, 2.0, 2.5, 3.0, 3.5 Volts under a 5V technology. Customize the rest given conditions.

Due to 11/24 (Mon.)

Page 1EL/CCUT T.-C. Huang Oct. 2003 TCH CCUT Introduction to IC Design Tsung-Chu Huang ( 黃宗柱 ) Department of Electronic Eng. Chong Chou Institute of Tech.

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