At 02:38 AM 2/26/03 -0800, Jaap wrote:
>At 2003-02-25 17:18 -0800, Joe wrote:
>>Can anyone tell me what this is? It's a 16 pin SSI IC and it's date coded 8327. My
>>guess is that it's an early 64k x 1 DRAM. Google didn't get any hits and chip
>>directory keeps popping up a "404 Not Found" error.
>
>The Intel 2101 was an 1K*1 SRAM, so the 2164 is probably
>a 64K*1 SRAM.
Except that the intel 2104, 2107 and 2116 are all DRAMs (4k, 4k and 16k
respectively). AFIK Intel never made any "big" DRAMs.
>
>'20' probably means that it's access time is 200 ns.
>
>Around 1983 seems right for this type of density.
>My Tandy/RadioShack TRS-80 of 1978/79 used 6 of
>the 2101's as video screen memory. (We had to add
>an extra one ourselves to get lower case characters.
That's interesting. Which model TRS-80? I was looking for some 2101s a while back
but couldn't find any.
Thanks,
Joe
>;-).
>
>Greetings,
>Jaap
>
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>Author: Jaap van Ganswijk
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Author: Joe
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