eldo_user

Eldo Control Language
Statistical Processing
CCO CO VSS 0.15P
.ENDS ONEBITADDER
VDD VDD 0 5
X0 VDD 0 A0 B0 0 SUM0 CO0 ONEBITADDER WIN=WIN_GLOB WOUT=WOUT_GLOB
VA0 A0 0 5
VB0 B0 0 PULSE 0 5 .2N .2N .2N 9.8N 20N
* TRANSIENT ANALYSIS
.TRAN 0.1N 6N
.PLOT TRAN V(SUM0) V(B0)
* EXTRACT SECTION
.EXTRACT TRAN LABEL=DELAY1
TPD(V(B0),V(SUM0),VTHIN=2.5,VTHOUT=0.5)
.EXTRACT TRAN LABEL=DELAY2
TPD(V(B0),V(CO0),VTHIN=2.5,VTHOUT=4.5)
.EXTRACT TRAN LABEL=OPFREQ (1/MAX(EXTRACT(DELAY1),
EXTRACT(DELAY2)))
+ LBOUND=280Meg
* MONTE CARLO ANALYSIS
.OPTION AEX DUMP_MCINFO
.MC 100
+ DATAFLOW=1
.EXTRACT MC LABEL=MINFREQ MCMIN(OPFREQ)
.EXTRACT MC LABEL=MAXFREQ MCMAX(OPFREQ)
* A global factor that artificially scales the sigma of all
variables:
.param g_mm_factor=10
* The sigtail option is used to allow wider spread (up to +/- 4
sigmas) for the input variables:
.option sigtail=4
* The device models (some of the .model parameters have
statistical variations):
.subckt n d g s b param: w=1u l=1u ad=400p as=400p
m1 d g s b modn w=w l=l ad=ad as=as
.param Tox=19E-09 a_mm_Tox=0.4543u b_mm_Tox=0.1435 dev_mm_Tox
='a_mm_Tox/sqrt(w*l)+b_mm_Tox'
.param Vth0=.3322 a_mm_Vth0=0.40654u b_mm_Vth0=0.11654
dev_mm_Vth0
='a_mm_Vth0/sqrt(w*l)+b_mm_Vth0'
.param U0=388.3203 a_mm_U0=0.565745u b_mm_U0=0.264563 dev_mm_U0
1110
Eldo® User's Manual, 15.3