Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!sgi!koontz@oregon
From: koontz@oregon
Newsgroups: sci.electronics
Subject: Re: Mystery chips on S-100 processor board
Summary: 8T97/8
Keywords: s-100 8T97 8T98
Message-ID: <25833@sgi.SGI.COM>
Date: 31 Jan 89 02:31:33 GMT
Sender: daemon@sgi.SGI.COM
Organization: Silicon Graphics, Inc., Mountain View, CA
Lines: 21

In article <617@csd4.milw.wisc.edu>, paravia@csd4.milw.wisc.edu (Mark David Kakatsch) writes:
> Hello. At a recent SwapFest here in the milwaukee area, I picked up a (more 
  or
> less) full s-100 system for approx. $65. The CPU board is an "Ithaca Audio" 
> Z-80 board, and it won't be too hard to fix up...However, my problem is a 
> few chips on the board. From the schematics, you can tell that they are 
> buffer 
>...Their
> part numbers are 8T97 and 8T98. Does anybody know if they are still 
 produced, and if
> so, where they are available? Thanks much...
> 
> Mark

Signetics parts

    8T97 may be replaced with a 74366
    8T98 may be replaced with a 74368

Check for differences in propagation and tristate times, probably is a don't
care.