Next EPROM Question - Sizes

Dave McGuire mcguire at
Mon Sep 17 01:00:49 CDT 2007

On Sep 16, 2007, at 10:34 PM, Zane H. Healy wrote:
> I was happy to find earlier today that while I gave away most of my  
> tubes of chips and other parts about 3 years ago as I wasn't doing  
> anything with chips, I still have a 4 partial tubes of 27256's and  
> 27C256's.  IIRC, thankfully I'd thought they might be useful to  
> hang onto.
> So the question of the minute is this, is it possible to substitute  
> a 27C256 for a smaller 27C128?

   This may help:

   I don't recall where I got it, but it has been *extremely* handy.   
Whoever drew it had a damn good idea there.


Dave McGuire
Port Charlotte, FL
Farewell Ophelia, 9/22/1991 - 7/25/2007

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