A great guide for using 74HC and 74HCT device to replace 74LS and 74ALS

To: "n8vem...@googlegroups.com" <n8vem...@googlegroups.com>
Subject: A great guide for using 74HC and 74HCT device to replace 74LS and 74ALS
From: Tom Lafleur <laf...@lafleur.us>
Date: Wed, 28 Aug 2013 07:07:40 -0700
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Tom Lafleur

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