2114 Static RAMs...

Fri Sep 17 16:23:22 CDT 2004

at least it was CMOS versions of TTL logic...

-----Original Message-----
From: Tom Jennings <tomj at wps.com>
Sent: Sep 17, 2004 5:20 PM
To: "General Discussion: On-Topic Posts Only" <cctech at classiccmp.org>
Cc: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
Subject: RE: 2114 Static RAMs...

On Wed, 2004-09-15 at 11:16, Ed Kelleher wrote:
> At 05:00 PM 9/13/2004, you wrote:
> >When I was designing I/O boards for spaceborne computers I once saw
> >what happens when most inputs are left floating on CMOS designs. This
> >was a design full of (~30) 54HCxx ICs.

> gak!   54xx IC's  --  No wonder the space program cost so much!

And running TTL off batteries! Ouch!