Article View: sci.electronics
Article #3458Re: OTP (really?) EPROMS
From: David Chapman
Date: Tue, 17 Oct 1989 01:49
Date: Tue, 17 Oct 1989 01:49
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1386 bytes
In article <1989Oct13.232523.3999@sj.ate.slb.com> jones@bach.UUCP (Clark Jones) writes:
<In article <841@dms.UUCP> albaugh@dms.UUCP (Mike Albaugh) writes:
<> Suppose for the sake of argument that somebody had access to
<>a fair number of "One Time Programmable" EPROMS that were already
<>programmed. Is there a way (like, f'rinstance X-rays) to erase them
<>anyway?
<
<Personally, I wouldn't use an x-ray erased EPROM in any system where future
<reliability was of _ANY_ consequence, such as in a game cartridge to be
<sold.
X-rays shouldn't be a problem; they're simply more energetic photons than
the UV you normally use to erase an EPROM. Maybe you could call Intel (or
any of the other EPROM vendors) and ask.
--
David Chapman
{known world}!decwrl!vlsisj!fndry!davidc
vlsisj!fndry!davidc@decwrl.dec.com
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!ginosko!uakari.primate.wisc.edu!ames!sun-barr!decwrl!pyramid!leadsv!practic!vlsisj!davidcReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!ginosko!uakari.primate.wisc.edu!ames!sun-barr!decwrl!pyramid!leadsv!practic!vlsisj!davidc From: davidc@vlsisj.VLSI.COM (David Chapman) Newsgroups: sci.electronics Subject: Re: OTP (really?) EPROMS Keywords: EPROMS X-rays Message-ID: <15363@vlsisj.VLSI.COM> Date: 17 Oct 89 01:49:16 GMT References: <841@dms.UUCP> <1989Oct13.232523.3999@sj.ate.slb.com> Reply-To: davidc@vlsisj.UUCP (David Chapman) Distribution: usa Organization: VLSI Technology Inc., San Jose, CA Lines: 19