[sdiy] TC5514 s-ram chip needed

The Old Crow oldcrow at oldcrows.net
Fri Mar 16 15:42:56 CET 2001


On Fri, 16 Mar 2001, Tony Allgood wrote:

> Has anyone got any of these things lying around? They were made be
> several companies a long time ago, National and Intersil (Harris) had
> them under the pt number 6514. Its a 1024 x 4-bit sram. Pin compatible
> with the NMOS 2114 but CMOS. Why do I want one? I have a Polysix with a
> dead memory, and I have traced it to this chip. I had a 2114 and it
> works fine but draws a whopping 25mA even on standby!

  Tony,

  Jameco has an equivalent I've used in Polysixes.  Their stock number is
43238.  They even cross-reference it to the uPD444C of TR-303 fame.

  http://www.jameco.com/


  Cheers,

Crow

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