alter subckt instance

[JD]

Hi,

I got a design which reuse the same subckt:

//////////////////////////////////
subckt BLOCK in out
M1 ...
M2 ...
M3 ...
ends BLOCK

subckt TOP in out
BLOCKA (in out) BLOCK
BLOCKB (in out) BLOCK
ends TOP

I0 (in out) TOP
////////////////////////////////

If I do:

alterA alter sub=I0.BLOCKA.M1 param=... value=...


Will it only alter M1 for BLOCKA or it will alter M1 for the BLOCK
subckt thus affect both BLOCKA and BLOCKB?

Thanks,

JD

 

[JD]

On Sep 19, 9:58 am, JD <Jiandong...@gmail.com> wrote:

Hi,

I got a design which reuse the same subckt:

//////////////////////////////////
subckt BLOCK in out
M1 ...
M2 ...
M3 ...
ends BLOCK

subckt TOP in out
BLOCKA (in out) BLOCK
BLOCKB (in out) BLOCK
ends TOP

I0 (in out) TOP
////////////////////////////////

If I do:

alterA alter sub=I0.BLOCKA.M1 param=... value=...

Will it only alter M1 for BLOCKA or it will alter M1 for the BLOCK
subckt thus affect both BLOCKA and BLOCKB?

Thanks,

JD

If it only alter M1 for BLOCKA, and BLOCKB still use the orginal BLOCK
subckt, is there a way to alter BLOCK subckt once, so all the BLOCK
instances will be affected.

Thanks

 

[Andrew Beckett]

On Wed, 19 Sep 2007 16:33:12 -0000, JD <Jiandong.Ge@gmail.com> wrote:

On Sep 19, 9:58 am, JD <Jiandong...@gmail.com> wrote:
Hi,

I got a design which reuse the same subckt:

//////////////////////////////////
subckt BLOCK in out
M1 ...
M2 ...
M3 ...
ends BLOCK

subckt TOP in out
BLOCKA (in out) BLOCK
BLOCKB (in out) BLOCK
ends TOP

I0 (in out) TOP
////////////////////////////////

If I do:

alterA alter sub=I0.BLOCKA.M1 param=... value=...

Will it only alter M1 for BLOCKA or it will alter M1 for the BLOCK
subckt thus affect both BLOCKA and BLOCKB?

Thanks,

JD



If it only alter M1 for BLOCKA, and BLOCKB still use the orginal BLOCK
subckt, is there a way to alter BLOCK subckt once, so all the BLOCK
instances will be affected.

Thanks

I don't believe this is currently possible. You should contact customer support
to ask for an enhancement. Currently only a single instance can be altered
at a time.

Regards,

Andrew.
--
Andrew Beckett
Senior Solution Architect
Cadence Design Systems, UK.