74ACTXXX logic

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Article #6849

#6849

From: Mr P I Neaves
Date: Thu, 20 Aug 1992 18:16

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Has anybody out there had any experiance designing with
74ACTXXX logic ?

I have had SEVERE noise and switching problems with a
design employing 74ACTXXX and 74LSXXX devices.

Removal of the 74ACTXXX devices and replacement with 74LS
devices fixed the  problem.

All the "nice" things were done - lots of decoupling - four layer
board with groundplanes etc.

Thanks for help - replys to email at

esrne@clover.csv.warwick.ac.uk

Phil.

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Newsgroups: sci.electronics
Path: arc1-ca.pugleaf.net!sparky!uunet!pipex!warwick!esrne
From: esrne@warwick.ac.uk (Mr P I Neaves)
Subject: 74ACTXXX logic
Message-ID: <ptcpbyry@csv.warwick.ac.uk>
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Nntp-Posting-Host: clover
Organization: Computing Services, Warwick University, UK
Date: Thu, 20 Aug 1992 18:16:54 GMT
Lines: 17