Can anyone here burn a MMI6309 PROM for a Lisa?

From: Jonathan Engdahl <engdahl_at_cle.ab.com>
Date: Thu May 31 12:26:42 2001

I have a very old Data I/O 29B here with a UniPak 2B. The cheat sheet says I
can burn a TI 29L22, a NAT 74LS471, and a PHL 82S135. It might be worth a
try if nothing better turns up.

There are companies that will do this for $$$.

--
Jonathan Engdahl             Rockwell Automation
Principal Research Engineer  24800 Tungsten Road
Advanced Technology          Euclid, OH 44117  USA
Euclid Labs                  http://users.safeaccess.com/engdahl
----- Original Message -----
From: "John Lewczyk" <jlewczyk_at_speakeasy.net>
To: <classiccmp>
Sent: Thursday, May 31, 2001 12:07 PM
Subject: Can anyone here burn a MMI6309 PROM for a Lisa?
> I'm looking for help making a 256*8 Tri-state PROM for the CPU card of a
> Lisa.
> Its a MMI 6409-1N part. I don't have a data sheet and I don't have the
means
> to burn one.
>
> If I supply the part and the data, can anyone here burn a few of them for
> me?
>
> Alleged parts equivilent to the MMI 6409-1N are:
> Signetics   82S135
> National   74S471
> TI      28L22
>
> Reply to me off list via jlewczyk_at_speakeasy.net if you'd prefer.
>
> Thanks
>
> John
> ----------------------------
> classiccmp digest subscriber
>
>

Received on Thu May 31 2001 - 12:26:42 BST