Article View: sci.electronics
Article #19932Re: 1Hz signals
From: Norm Strong
Date: Tue, 18 Oct 1988 17:19
Date: Tue, 18 Oct 1988 17:19
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}In article <2006@lll-lcc.llnl.gov> rzh@lll-lcc.llnl.gov (Roger Hanscom) writes: }>...I'm building a TTL digital counter, and I need a }>1Hz pulse train to feed it. I'd like to use the 60Hz signal on the }>power transformer, and a MINIMUM of components to condition it and This is your lucky day, Roger Hanscom. The semiconductor industry has read your mind and made an IC just for you! It's called the 74LS57, and contains a trigger, divide by 6, divide by 5 and divide by 2, all in one 8-pin package. If you move to England, use the 74LS56, which divides by 50. -- Norm (strong@tc.fluke.com)
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!husc6!bloom-beacon!mit-eddie!uw-beaver!fluke!strong From: strong@tc.fluke.COM (Norm Strong) Newsgroups: sci.electronics Subject: Re: 1Hz signals Message-ID: <5601@fluke.COM> Date: 18 Oct 88 17:19:26 GMT References: <2006@lll-lcc.llnl.gov> <931@ccnysci.UUCP> <2080@iscuva.ISCS.COM> Sender: news@tc.fluke.COM Organization: John Fluke Mfg. Co., Inc., Everett, WA Lines: 13