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Subject: 74AS157 TTL Quad 2 to single line selector spice model

Date: 06/20/01 at 4:27 PM
Posted by: Kevin
E-mail: milliwave@rfengineering.freeserve.co.uk
Message Posted:

Hi,

I am in need to find the TTL 74AS157 Quad 2 to single
line selector spice model. with pspice (orcad) the
74157 TTL model does exit but the model editor indicates
that the description is at a high level rather than
a lower level.

The problem I have is that I have a larger part of the
circuit ready to be simulated with hspice(unix), but I have
not managed to find the spice model for the above
74157? Any idea where I could get hold of
a spice model which I could use with hspice? Or any thoughts
of how I could take my existing hspice net list and
libraries and use it with pspice?

further i'm looking for a TTL buffer spice model or
a site informing me how to design a TTL buffer would be
helpful.. Thanking you

cheer
Kev


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