Latch-up How Rsub is getting reduce

[amitabh262002]

Hi All,
in latch-up,in NMOS p+ is connected to Rsub. These two are in series,so how Rsub getting reduce to avoid latch-up.

 

[Fom]

What do you mean:
"These two are in series ..."?

 

[venkat_kode]

Hi All,
in latch-up,in NMOS p+ is connected to Rsub. These two are in series,so how Rsub getting reduce to avoid latch-up.

If u place the P+contact closer to transistor it will reduce the Rsub value.

 

[kisspig_84630]

need it ,thanks!!

 

[protonixs]

Hi All,
in latch-up,in NMOS p+ is connected to Rsub. These two are in series,so how Rsub getting reduce to avoid latch-up.

Put as many tap/substrate contacts as the space allows.