armetis
Newbie level 2
Hi,
I need to simulate SRAM SNM by trial an error method. then I came up with the this thread
I used DC sweep for noise sources but it didn't work. the code I used is this:
could you please help me where I am wrong?
Thanks in advance
I need to simulate SRAM SNM by trial an error method. then I came up with the this thread
HTML:
https://www.edaboard.com/threads/253224/
Code:
6T SNM test
.include 32nm_bulk.pm
.GLOBAL VDD GND
.PARAM VDD=0.9V
.options list post
.temp 100
.PARAM VNOISE=0.04V
.PARAM BITCAP=1E-12
MPL Q QBN VDD VDD pmos l=32n w=36n m=1
MNL Q QBN GND GND nmos l=32n w=72n m=1
MPR QB QN VDD VDD pmos l=32n w=32n m=1
MNR QB QN GND GND nmos l=32n w=72n m=1
MAL BLB WL QB GND nmos l=32n w=36n m=1
MAR BL WL Q GND nmos l=32n w=36n m=1
VVDD VDD GND DC=VDD
VWL WL GND DC=VDD
VNOISEL QBN QB DC=VNOISE
VNOISER Q QN DC=VNOISE
CBL BLB 0 BITCAP
CBLB BL 0 BITCAP
.IC V(Q)=VDD
.IC V(QB)=0v
.IC V(BL)=VDD
.IC V(BLB)=VDD
.DC VNOISE 0 VDD 0.01
*.TRAN 0.1N 1.5N UIC
.PRINT TRAN V(Q) V(QB) V(BLB) V(BL)
.ENDThanks in advance