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'Large Serial RAM interest??'
1995\07\11@085118 by Mark A. Corio

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There have been a few requests for information about larger serial ram
devices.  A few multi-chip solutions were offered up (e.g. Nino Benci).  Is
there any interest in a single module for such a device.  We would be willing
to design and build such units if there is enough interest.  If you have any
interest please e-mail me directly with the following information:

What size memory do you desire (depth and width)?
What package format are you interested in (SIP, DIP, etc.)?
What quantities would you be interested in?
What price range are you willing to pay for such modules? (Please be
reasonable and honest).
Are there any special requirements (e.g. battery backup, low voltage, etc.).

I will be out of town the rest of this week but I will compile the results of
any replies when I return and post a summary to the list then.
Thanks,

Mark A. Corio
Rochester MicroSystems, Inc.
200 Buell Road, Suite 9
Rochester, NY  14624
Tel:  (716) 328-5850
Fax:  (716) 328-1144
e-mail:  spam_OUTMcorioTakeThisOuTspamaol.com

** Designing Electronics For You **

1995\07\11@091427 by Adrian Godwin

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face
> There have been a few requests for information about larger serial ram
> devices.  A few multi-chip solutions were offered up (e.g. Nino Benci).  Is
> there any interest in a single module for such a device.  We would be willing
> to design and build such units if there is enough interest.  If you have any
> interest please e-mail me directly with the following information:

For a really large memory, how about extending an idea that's been
mentioned in this list before : driving DRAM from a PIC. One possibility
might be to wrap a PIC around a self-refresh DRAM - these have a pretty
low current consumption in self-refresh mode, and the PIC could be used
to provide the self-refresh pulses and a convenient interface.

NEC offer a 'silicon file memory' that's even lower power (though perhaps
not lower power per bit than 16Mbit self-refresh) but it dosen't seem to
be easily available above 1Mbit.

-adrian

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