Weird BiPolar ROM programmer

Joe R. rigdonj at
Fri Oct 21 15:28:58 CDT 2005

At 10:34 PM 10/20/05 -0700, you wrote:
>On 10/20/2005 at 8:48 PM Joe R. wrote:
>>I was out today and found an interesting looking box made by Aydin
>>Controls. It looks like a BiPolar PROM programmer. It has two 8 pin ZIP
>>sockets marked Read and two others marked Program along with several LED
>>diplays (TIL 311s! :-) and a lot of switches and pushbuttons on it. 
>8 pin or 16 pin ZIF sockets? 

   16 pin ZIF socket. Brain Fart. Sorry.


 A bipolar 8 pin PROM I'm not familiar with.
>However, a possibility might be something like the Xicor X2444 - a 256 bit
>serial-access EEPROM, which was contemporary with your box.  Darned useful
>little chip too--TTL compatible--can be programmed with a bit of software
>driving a parallel port.  I've got a bunch of them in my hellbox and like
>to use them where I need a little non-volatile information.

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