Re: IC TC5504P


"Thomas Altenbuchner" <aon.964079652@xxxxxx> wrote in message
news:42e3d26d$0$30410$91cee783@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> I recently found some old IC's of the type TC5504P. I found out that
it's a
> 4kx1 SRAM of Toshiba which was produced in the eighties, but wasn't
able to
> find any data*** for this IC.
> I wrote to Toshiba but they answered that the data*** is no longer
> available.
> Are there any similar datasheets online I could use, or could you give
me
> some information about the usage of this part on another way?
> Otherwise, how can I figure out the pin connections?
>
> Thanks in advance
> Thomas

I couldn't find anything useful with google. www.nteinc.com might have
something, but the paper crossref only gives a 65101 for a static mem
chip, which is 22 pins.

My old 1984 TI MOS memory data book shows the following crosses for a
4k x 1 mem chip (but nothing for Toshiba)

TI TMS4044 / TMS40L44
AMD AM4044
Intersil IM7141 / IM7141L
Nat'l MM2141
Mitsubishi M5T4044
Mostek MK4104
NEC uPD4104
Synertek SY2141 / SY2141L

You should be able to find some info on one of those online. If you can
verify that your chips cross to one of the above, but you still can't
find a pinout, then email me and I'll try to get you a pic of the
manual.
Include the word NOSPAM in the subject line. I'm alondra101 <at>
hotmail.com. I get an extreme amount of spam at this address, so please
obey that rule, and hope I can find yours among all the litter. :-(


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