[Coco] 1megx8 SRAM Chips Source

jdaggett at gate.net jdaggett at gate.net
Wed Nov 17 13:37:18 EST 2010


Phil

55nS will be fast enough if you are trying to build an SRAM board and use the CAS/RAS 
signals off the GIME to implement a 512k/2Meg SRAM board. The GIME chip is geared for 
150nS DRAMs, so 55 nS SRAM should be fast enough. 

james

On 17 Nov 2010 at 17:53, Phill Harvey-Smith wrote:

> On 17/11/2010 16:48, jdaggett at gate.net wrote:
> > John
> >
> > How fast and what voltage? Either way will not be cheap.
> >
> > 5 volt parts are getting rare and garner a premium in price.
> 
> Farnell have these :
> 
> http://uk.farnell.com/jsp/search/productdetail.jsp?SKU=1488943
> 
> 55ns should I would have thought be fast enough for the CoCo.
> 
> Phill.
> 
> -- 
> Phill Harvey-Smith, Programmer, Hardware hacker, and general eccentric !
> 
> "You can twist perceptions, but reality won't budge" -- Rush.
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