Article View: sci.electronics
Article #6257Re: GAL LOGIC
From: Mark Zenier
Date: Wed, 09 Sep 1992 18:51
Date: Wed, 09 Sep 1992 18:51
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1165 bytes
flux@sys6626.bison.mb.ca (John Kamchen) writes: : I am having major problems trying to program a GAL chip. : I have blown three GAL chips so far.. : , the EDIT voltage was a steady 16.5v .. then came the /STR : pulse. ... : . The 10ms /STR pulse comes from a '221, so it thats : pretty stable. : I'm using part number PALCE16V8H-25 from AMD. The algorithm you're using only works with GALs from Lattice, National, or SGS-Thomson. AMD parts are a different design. I guess after AMD/MMI sued Lattice, they felt they couldn't go back and ask to be a second source. The stuff I have indicates the bulk erase (row 63) should be 50 milliseconds. How do you get that out of a one shot? Mark Zenier markz@ssc.wa.com
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Path: arc1-ca.pugleaf.net!sparky!uunet!ogicse!news.u.washington.edu!sumax!thebes!ole!ssc!markz From: markz@ssc.wa.com (Mark Zenier) Newsgroups: sci.electronics Subject: Re: GAL LOGIC Message-ID: <1992Sep09.185118.24527@ssc.wa.com> Date: 9 Sep 92 18:51:18 GMT Article-I.D.: ssc.1992Sep09.185118.24527 References: <R3sTqB1w164w@sys6626.bison.mb.ca> Organization: SSC, Inc., Seattle, WA Lines: 19 X-Newsreader: Tin 1.1 PL3