Dracula LVS介紹

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.subckt inv1 op ip

mi31 op ip vss vss n l=0.65u w=1.25u

mi32 op ip vdd vdd p l=0.65u w=1.25u

.ends

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.subckt lvs_test out in

r01 in net01 2k $[rs]

x02 out net01 inv1

c03 out vss 0.1p $[cp]

.ends

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以下為lvs command file的具體內(nèi)容，需要著重注意的是connect, connect-layer及stamp命令，并區(qū)分器件層與傳輸層的關(guān)系，也因此可以發(fā)現(xiàn)nwell，gate都作了區(qū)別。

Lvs.com

;;++++++++++++++++++++++++

;;+ TOOL : dracula 4.8 +

;;+ TITLE:LVS CMD TEST +

;;+ CELL : LVS_TEST +

;;+ AUTHOR: NFMAO +

;;+ DATE : 2005-05-11 +

;;+ FROM: www.chalayout.com +

;;+++++++++++++++++++++++++

*des

primary = lvs_test

indisk = ../db/lvs_test.db

;outdisk = test.gds

printfile = lvs_test

system = gds2

resolution = 0.005 mic

scale = 0.001 mic

mode = exec now

listerror = yes

program-dir = $drac/

keepdata = inquery;yes;smart

error-path-wid = 5.0 mic

check-path = center-line

summary-only = yes

; cnames-csen = yes

; text-pri-only = yes

text-level = 0

status-command = time;du

abort-p-g-short = yes;no;all

power-node = VDD,vdd

ground-node = VSS,vss

schematic = loglvs/lvs_test.s

model = mos[n],n mos[p],p

*end