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Introduction to HSPICE. Speaker : Shang-Jyh Shieh Email : [email protected] TEL: Lab 7354. P RELIMINARY. 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) - PowerPoint PPT Presentation
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HSPICE(200010) 第 2頁
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) 第 3頁
EXAMPLE OF INPUT (*.sp) Include files
.INC ‘and2.subckt’ Library Call
.LIB ‘/vlsi-data/eda_models/hspice/tsmc035/logsp35.l’ TT Netlist
mp1 1 2 vdd! vdd! pch w=2.8u l=0.6umn1 1 2 gnd! gnd! nch w=1.4u l=0.6uC1 3 gnd! 250fF IC=3.3VR2 2 3 100meg
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) 第 4頁
ELEMENTS (I)
Independent Voltage / Current Source (DC)
Vdc n1 n2 3.3
n1
n2
td tper
v1
v2
tpw
tftr
Idc n3 n4 20m
Pulse : Vpul n1 n2 pulse( v1 v2 td tr tf tpw tper )
3.3V 20mA
n3
n4
HSPICE(200010) 第 5頁
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) 第 6頁
ELEMENTS - MOSFET (II)
LDIF
HDIF
Basic Knowledge
LDD: Lightly Doped Drain
HSPICE(200010) 第 7頁
ELEMENTS - MOSFET (III)
Basic Knowledge
ACM : Area Calculation Method ACM=3
GEO=2 GEO=1GEO=3
AD=2*HDIF*W AD=HDIF*W AS=2*HDIF*WAD=HDIF*WAS=HDIF*WAS=HDIF*W
PD=4*HDIF+W PS=4*HDIF+WPD=2*HDIFPS=2*HDIF
PD=2*HDIFPS=2*HDIF
Default GEO=0
DD DS S SW
HDIF HDIF
LDIF
HSPICE(200010) 第 8頁
ELEMENTS - MOSFET (IV)
Example:mp1 zn ia vdd vdd pch w=1.4u l=0.6u GEO=1mp2 zn ib vdd vdd pch w=1.4u l=0.6u GEO=1mn1 zn ib n1 gnd nch w=1.4u l=0.6u GEO=2mn2 n1 ia gnd gnd nch w=1.4u l=0.6u GEO=1
ia
gnd
vdd vdd
ia
zn
ib
vdd
gnd
GEO=1
GEO=1
GEO=2
GEO=1
n1
m p1
m n1
m n1
m p2
n1
ib zn
HSPICE(200010) 第 9頁
SUBCIRCUIT
.subckt XOR3 5 8 6 1 2 3 99* A B C s sb vds vssmp1 1 2 3 3 pch w=1.4u l=0.6umn1 1 2 99 99 nch w=1.4u l=0.6ump2 2 1 3 3 pch w=1.4u l=0.6umn2 2 1 99 99 nch w=1.4u l=0.6umn3 7 10 1 99 nch w=1.4u l=0.6umn4 5 4 7 99 nch w=1.4u l=0.6umn5 11 6 1 99 nch w=1.4u l=0.6umn6 9 8 7 99 nch w=1.4u l=0.6umn7 7 6 2 99 nch w=1.4u l=0.6umn8 5 8 11 99 nch w=1.4u l=0.6umn9 11 10 2 99 nch w=1.4u l=0.6umna 9 4 11 99 nch w=1.4u l=0.6uxinvA 5 9 3 99 inv wp_inv=2.8uxinvB 8 4 3 99 inv wp_inv=2.8uxinvC 6 10 3 99 inv wp_inv=2.8u.ends
.subckt inv 2 3 1 4 wp_inv=1.4u
mp1 3 2 1 1 pch w=wp_inv l=0.6umn1 3 2 4 4 nch w=1.4u l=0.6u.ends
subcircuit definition example
subcircuit call
xinvX 5 9 3 99 inv wp_inv=2.8uxinvY 8 4 3 99 inv wp_inv=2.8uxinvZ 6 10 3 99 inv wp_inv=2.8u
HSPICE(200010) 第 10頁
MEASURE (I)
Trigger/Target
.MEAS TRAN T1 TRIG v(in) VAL=’2.5V’ TD=’20n' RISE=1+ TARGv(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) 第 11頁
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) 第 12頁
Power Measurement
Basic Power Meter Practical Power Meter
Is
Vs=0
DUT
Vdd
K*IsRy Cy
Vy(0)=0
Vy
-
+
K=Cy*Vdd/T
Power Meter
I(VDD)
D U T
Vdd K*I(Vdd)
Ry Cy
Vy(0)=0
Vy
-
+
K=Cy*Vdd/T
Power M eter
*REFERENCE Ry=1e15 Cy=1e-12
HSPICE(200010) 第 13頁
ANALYSIS TYPE
Transient analysis.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) 第 14頁
OTHER COMMAND CARD
OPTION for Accuracy.OPTIONs absmos=1p absv=1p relmos=1u relv=1p relvar=1m
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)
Temperature.TEMP 100 ( default 25 degree C )
HSPICE(200010) 第 15頁
INVOKING HSPICE
Executing HSPICE
% hspice myfile.sp
Output files• *.tr? graphic output files for awaves
• *.mt? measure output files (TXT file)
