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Article #27571 Megabit ROMs
From: Thass orl a load 've ol' squit!
Date: Tue, 01 Aug 1989 15:15
Date: Tue, 01 Aug 1989 15:15
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895 bytes
Sorry to bear bad tidings, but there isn't, and probably won't be, a 28 pin 1Mbit EPROM equivalent to 23c1024. The mask rom is only feasible because it doesn't need a Vpp pin for programming, and it has only one control pin (OE) besides the 17 address pins. There is the remotest possibility that someone might make the OE- pin double up as Vpp/program enable, but now the 32 pin pack is established, that's unlikely. Looks like you'll need to make an adaptor board, or bend some legs. Dave E.
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!cs.utexas.edu!uunet!mcvax!ukc!acorn!moncam!MerlinShow Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!cs.utexas.edu!uunet!mcvax!ukc!acorn!moncam!Merlin From: Merlin@moncam.co.uk (Thass orl a load 've ol' squit!) Newsgroups: comp.sys.atari.st Subject: 1 Megabit ROMs Keywords: 23C1024 ROM EPROM Message-ID: <254@marvin.moncam.co.uk> Date: 1 Aug 89 15:15:23 GMT Organization: Monotype ADG, Cambridge, UK Lines: 10