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Dan Ritter
Guest
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 Posted:
Sun Jan 23, 2005 4:50 pm Post subject:
Needed datasheets on old sram chips |
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I pulled a bunch of sram chips from some 486 motherboards I would like
to use for some projects. The chips are UM61256bk-20's and
UM6164bk-20's. I've done some major googling around but with no
success. I did find some info on the UM62256, but I don't know if
they're the same. Anyone know if these match any other ic's I could
find info on?
Thanks 8-)
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Rich Webb
Guest
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| Posted:
Sun Jan 23, 2005 7:22 pm Post subject:
Re: Needed datasheets on old sram chips |
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On Sun, 23 Jan 2005 10:50:34 GMT, Dan Ritter <danritter@telus.net>
wrote:
| Quote: | I pulled a bunch of sram chips from some 486 motherboards I would like
to use for some projects. The chips are UM61256bk-20's and
UM6164bk-20's. I've done some major googling around but with no
success. I did find some info on the UM62256, but I don't know if
they're the same. Anyone know if these match any other ic's I could
find info on?
|
Try www.datasheetarchive.com and search just on 61256 and 6164. They
show several UT61256- and UT6164-family SRAMS. Probably a different
manufacturer so the specs may differ in the details but the pinouts and
basic operation should be JEDEC standard.
--
Rich Webb Norfolk, VA |
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Dan Ritter
Guest
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| Posted:
Mon Jan 24, 2005 2:58 am Post subject:
Re: Needed datasheets on old sram chips |
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Rich Webb wrote:
| Quote: |
Try www.datasheetarchive.com and search just on 61256 and 6164. They
show several UT61256- and UT6164-family SRAMS. Probably a different
manufacturer so the specs may differ in the details but the pinouts and
basic operation should be JEDEC standard.
Thanks. I actually had tried that site but I must have been getting a |
bit punchy from all the google searching. I didn't see when you select
the pdf the download you have to scroll down for. Nice site. I'm
finding info there I can't seem to find anywhere else.
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Gary J. Tait
Guest
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| Posted:
Fri Jan 28, 2005 12:14 am Post subject:
Re: Needed datasheets on old sram chips |
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On Sun, 23 Jan 2005 10:50:34 GMT, Dan Ritter <danritter@telus.net>
wrote:
| Quote: | I pulled a bunch of sram chips from some 486 motherboards I would like
to use for some projects. The chips are UM61256bk-20's and
UM6164bk-20's. I've done some major googling around but with no
success. I did find some info on the UM62256, but I don't know if
they're the same. Anyone know if these match any other ic's I could
find info on?
Thanks 8-)
|
Look at other ram manufacturers.
Those are skinny pack SRAM, 64 Kbits,and 256 K-bits, 20ms.
They are used for the cache ram. |
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