Retro Encabulator

[wb4jfi at knology.net]

I still have one of these 25120 devices, complete with a physical drain at 
the back.  I have to drain it from time to time, otherwise the old bits back 
up, and cause failures in writing.  Mine is a 36-pin DIP package, I think.

If I can find it, I will send a pix.
Terry, WB4JFI


-----Original Message----- 
From: Dan Romanchik KB6NU
Sent: Wednesday, November 07, 2012 11:22 AM
To: Tacos
Subject: Re: Retro Encabulator

I'm not sure if I remember the erase only memory, but I do remember the 
write-only memory:

http://www2.vmi.edu/Faculty/squirejc/Research/IC_Datasheets/digital_cmos/Write%20Only%20Memory.pdf

Be sure to check out the "Applications" section. :)

73, Dan KB6NU


On Nov 7, 2012, at Nov 7,11:10 AM, Robert Stratton wrote:
> Does anyone remember in one of the very early personal computing 
> magazines, way before the IBM PC, a data sheet for a random access 
> erase-only memory in a 16 pin DIP?


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