cadence model parameter problem

dragonwell · 发表于 2019-3-14 17:33:23

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if I input the parameters W=10u, NF=2 of a mos model, what is the effective total width that spectre would simulate?

for my understanding it should be splitted to 2x5u with effective W=10u, they should be the same. However, by simulation with Id,sat (NF=1) < Id,sat (NF=2), why?

THX!

hehuachangkai · 发表于 2019-3-15 09:16:37

是两倍关系吗？如果只是细微差距，那你理解没有错。
问题是，有些工艺的总W是要乘上nf的，这两种我都遇到过。后者和mul类似，严格讲和m的区别，好像仅仅是源漏不共用而已。

acging · 发表于 2019-3-15 11:04:40

open model file to check nf parameter in this mos device.

dragonwell · 发表于 2019-3-19 15:31:48

find out the problem! it jumps to difference model bin with different individual mos size.

Thanks for you guys help anyway!

[求助] cadence model parameter problem

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