1. Introduction to HSPICE
Speaker : Shang-Jyh Shieh
TEL : Lab 7354

2. PRELIMINARY Appending the following line in your “.cshrc” file source
/usr/meta/cur/bin/cshrc.meta
HSPICE model path
/vlsi-data/eda_models/hspice/tsmc035/logsp35.l (TSMC 0.35um)
/vlsi-data/eda_models/hspice/tsmc06/logic06.l (TSMC 0.6um)
/vlsi-data/eda_models/hspice/tsmc08/model0.8t (TSMC 0.8um)
HSPICE online document
/usr/meta/cur/docs/hspiceManual.pdf
HSPICE(200010)

3. EXAMPLE OF INPUT (*.sp) Include files Library Call Netlist
.INC ‘and2.subckt’
Library Call
.LIB ‘/vlsi-data/eda_models/hspice/tsmc035/logsp35.l’ TT
Netlist
mp vdd! vdd! pch w=2.8u l=0.6u
mn gnd! gnd! nch w=1.4u l=0.6u
C1 3 gnd! 250fF IC=3.3V
R meg
Output Control
.meas tran Tr TRIG v(in) val=‘3.3/2' TD=’10n' RISE=1
TARG v(out) val=‘3.3/2' RISE=1
.meas tran Tf TRIG v(in) val=‘3.3/2' TD=’10n' FALL=1
TARG v(out) val=‘3.3/2' FALL=1
.meas Tdelay param='(Tr+Tf)/2'
free format / case insensitive
HSPICE(200010)

4. ELEMENTS (I) Independent Voltage / Current Source (DC) n1 n3
Idc n3 n4 20m
3.3V
Vdc n1 n2 3.3
20mA n4 n2
tpw v2 v1 tr tf td
tper
Pulse : Vpul n1 n2 pulse( v1 v2 td tr tf tpw tper )
HSPICE(200010)

5. ELEMENTS - MOSFET (I) MOSFET
Mxxx D G S B MODEL W=x L=x [AS=x AD=x PS=x PD=x] L W
Perimeter / Area
HSPICE(200010)

6. ELEMENTS - MOSFET (II) Basic Knowledge LDD: Lightly Doped Drain HDIF
LDIF
HSPICE(200010)

7. ELEMENTS - MOSFET (III)
Basic Knowledge
ACM : Area Calculation Method ACM=3
GEO=2
GEO=3
GEO=1
LDIF
HDIF
HDIF W D S D S D S
AD=2*HDIF*W
AD=HDIF*W
AD=HDIF*W
AS=2*HDIF*W
AS=HDIF*W
AS=HDIF*W
PD=4*HDIF+W
PD=2*HDIF
PD=2*HDIF
PS=4*HDIF+W
PS=2*HDIF
PS=2*HDIF
Default GEO=0
HSPICE(200010)

8. ELEMENTS - MOSFET (IV) vdd vdd ia zn ib n1 gnd Example:
mp1 zn ia vdd vdd pch w=1.4u l=0.6u GEO=1
mp2 zn ib vdd vdd pch w=1.4u l=0.6u GEO=1
mn1 zn ib n1 gnd nch w=1.4u l=0.6u GEO=2
mn2 n1 ia gnd gnd nch w=1.4u l=0.6u GEO=1
HSPICE(200010)

9. SUBCIRCUIT subcircuit definition example subcircuit call
.subckt inv wp_inv=1.4u
mp pch w=wp_inv l=0.6u
mn nch w=1.4u l=0.6u
.ends
.subckt XOR
* A B C s sb vds vss
mp pch w=1.4u l=0.6u
mn nch w=1.4u l=0.6u
mp pch w=1.4u l=0.6u
mn nch w=1.4u l=0.6u
mn nch w=1.4u l=0.6u
mn nch w=1.4u l=0.6u
mn nch w=1.4u l=0.6u
mn nch w=1.4u l=0.6u
mn nch w=1.4u l=0.6u
mn nch w=1.4u l=0.6u
mn nch w=1.4u l=0.6u
mna nch w=1.4u l=0.6u
xinvA inv wp_inv=2.8u
xinvB inv wp_inv=2.8u
xinvC inv wp_inv=2.8u
.ends
subcircuit call
xinvX inv wp_inv=2.8u
xinvY inv wp_inv=2.8u
xinvZ inv wp_inv=2.8u
HSPICE(200010)

10. MEASURE (I) Trigger/Target AVG/RMS/MIN/MAX/PP
.MEAS TRAN T1 TRIG v(in) VAL=’2.5V’ TD=’20n' RISE=1
TARG v(out) VAL=’2.5V’ FALL=1
.MEAS TRAN T2 TRIG v(in) VAL=’2.5V’ TD=’20n' FALL=1
TARG v(out) VAL=’2.5V’ RISE=1
.MEAS Tpd PARAM='(T1+T2)/2’
AVG/RMS/MIN/MAX/PP
.MEAS TRAN vomax MAX v(out) FROM=’20n’ TO=‘100n’
.MEAS TRAN vomin MIN v(out) FROM=’20n’ TO=‘100n’
.MEAS TRAN vorms RMS v(out) FROM=’20n’ TO=‘100n’
HSPICE(200010)

11. MEASURE (II) FIND/WHEN .MEAS TRAN time1 WHEN v(out)=‘2.5V’ FALL=LAST
.MEAS TRAN time2 WHEN v(out)=‘2.5V’ CROSS=‘4’
.MEAS TRAN v1 FIND v(out) AT=‘50n’
HSPICE(200010)

12. Power Measurement Basic Power Meter Practical Power Meter *REFERENCE
Ry=1e15
Cy=1e-12
HSPICE(200010)

13. ANALYSIS TYPE Transient analysis Operating Point DC Sweep
.TRAN 0.1n 100n UIC
Operating Point
.OP
DC Sweep
.DC vin 1V 5V 0.5V
AC small signal analysis
.AC LIN 1K 100MEG
.AC DEC 1K 100MEG
HSPICE(200010)

14. OTHER COMMAND CARD OPTION for Accuracy Temperature
.OPTIONs absmos=1p absv=1p relmos=1u relv=1p relvar=1m
Temperature
.TEMP ( default 25 degree C )
Graphic Output for “AWAVES”
Plot all input, output and internal nodes
.OPTIONs POST
Plot specified nodes
.OPTIONs POST PROBE
.PROBE v(1) V(2) V(3) V(4) V(5)
HSPICE(200010)

15. INVOKING HSPICE Executing HSPICE Output files % hspice myfile.sp Ã
*.tr? graphic output files for awaves
*.mt? measure output files (TXT file)
HSPICE(200010)