16 Jan
2008
16 Jan
'08
2:02 a.m.
To: cctalk at classiccmp.org
From: bnansel at bigpond.net.au
Date: Wed, 16 Jan 2008 09:26:14 +1030
Subject: Supply voltage for 2N2/256-BSCP
OK, I'm building the bit-serial ALU for my 2N2/256 project. Though
it sounds exceedingly elementary, one design variable I haven't been
able to figure out is what supply voltage I should use.
Does anybody know why the 7400-series TTL used +5V for Vcc? I've
---snip---
To make them plug compatable with DTL. Next!
Dwight
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