1. Introduction to IC Design
Tsung-Chu Huang
(黃宗柱)
Department of Electronic Eng.
Chong Chou Institute of Tech.
2003/10/20

2. Announcement Syllabus Exchange due to Your Background and My Schedule
Quick through SPICE-like Tools This Week for Homework #2
Midterm Exam on Nov. 10, 2003

3. Node Ordering Q1 C B E M Area M1 D G S M W= L= 1 Bi-terminal Device 23 1 2 3
Q1 C B E M Area 3 2 1 4
M1 D G S M W= L=

4. Announcement Syllabus Exchange due to Your Background and My Schedule
Quick through SPICE-like Tools This Week for Homework #2
Midterm Exam on Nov. 10, 2003

5. Introduction to SPICE Simulation Program with IC Emphasis
Originated by Prof. D. O. Pederson, UCB, ’70s.
SPICE I, II, III → Public Domain in the Internet.
HSPICE: MetaSoft Inc., CA. → Avant! Inc., CA.
PSPICE: MicroSim Inc., CA. → OrCAD Inc.
→ Cadence Inc.
IS-SPICE: IntuSoft, Inc. Interactivity Emphasized.

6. PLA-Based Synthesizer Addressing to Espresso?
A Story
By Despain, USC
Braton: Espresso
PLA-Based Synthesizer
Pederson: SPICE
Addressing to Espresso?

7. Circuit Simulation Tools
Switch Level:
Verilog, VHDL, SILOS, Susie, etc.
Transistor Level (Linear & Exponential) Simulation
PowerMill, TimeMill, Star-Sim
Time-Domain
Star-HSPICE, SBTSPICE, Spectre (RF)
Frequency Domain
ADS, Harmonica, Eldo (RF)
Other Approaches
Matlab

8. Basic Flow Compiler Simulator * Circuit REPORT R1 1 2 1K Power=...
C N
.TRAN
.END
REPORT
Power=...
Time=...
...
Compiler
Simulator

9. Basic Analyses
time
Signal
Steady state AC DC
Trasient state

10. Basic Analyses 3 Major Analyses Basic Command X-Axis (Variable)
Basic Application t t
Transient Analy.
.TRAN Ts Tf
TIME (s)
Delay Measurement
Vin
Vin
DC Analysis
.DC Vs B E ∆
V, I, etc
Transfer Function f f
AC Analysis
.AC Dec R B E
Frequency (Hz)
Bode Plot

11. Extension Analyses 3 Major Analyses X-Axis (Variable) .TF .FOUR
.PARAMETER
Statistical
.Monte Carlo
.Noise
.PZ
.DISTO
.OP
.SENS
.TEMP t
Transient Analy.
TIME (s)
Vin
DC Analysis
V, I, etc f
AC Analysis
Frequency (Hz)

12. Basics: Orders Tera- Giga- Mega- Kilo- Mini- Micro- Nano- Pico- Femto-
M, m U N P F

13. Basics: Physical Units
Physical Var.
Prefix, Symbol
Units
Time
Time, t
Second, s
Voltage V
Volt, V
Current I
Amp, A
Frequency f Hz
Resistance R
Ohm, Ω
Conductance G
Mho
Capacitance C F
Inductance L
Henry

14. Basics: More Prefix V f G Prefix, Symbol Time, t I R Voltage Frequency
Conductance
Physical Var.
Time
Current
Resistance C
Capacitance L
Inductance E G M
Prefix, Symbol D F H
VCVS
VCCS
MOS
Device
Diode
CCCS
CCVS Q
BJT S
Switch X
Sub-circuit

15. Circuitry Description
Some Device with Prefix P
Pname 1 2
+5V
N001
John
Out
Pname V N John Out

16. Basic Devices with Prime Characteristics
Implied Model
Basic Devices with Prime Characteristics
Some Device with Prefix P
Pname
With prime characteristics
value X 1 2
+5V
N001
John
Out
Pname V N John Out X
e.g., L, R, C, V, I, S, E, F, G, H

17. A Low-Pass 1st-Order RC Circuit
Example
A Low-Pass 1st-Order RC Circuit Vs R1 C2 4 3
Vs 3 0 9V R
C P

18. SPICE Modeling Mname X Options Pname N1 N2
.MODEL Mname MType ( Parameter1=...,
+Parameter2=..., Parameter3=..., ... etc.)

19. Basic SPICE Source * Circuit Name *Netlist M2 1 2 3 4 MN
* Remark prefixed with a star sign
TRAN 1ps 2us
END
*Netlist
M MN
.Model MN NMOS ...
R IN K
Cb Out nF
....

20. Node Ordering Q1 C B E M Area M1 D G S M W= L= 1 Bi-terminal Device 23 1 2 3
Q1 C B E M Area 3 2 1 4
M1 D G S M W= L=

21. Source Function PieceWise Line, PWL(0 0 1u 1 1 0.5 3.5 2) 0.5ms 3.5
1.5
SIN( K)

22. Tool Installation and Demo
HSPICE: from CIC, NT$2000 for first
PSPICE: Educational Version can be downloaded from the
network.
Demo using DesignLab 8.0 / OrCAD

23. Homewrok #2 Familiarize any SPICE Tool
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.)