DEC RRD40 CDROM Drives

From: Mike Ford <mikeford_at_socal.rr.com>
Date: Wed Apr 25 16:44:33 2001

>If you want a 'fun' exercise, read the programming algorithm for the
>82S100 PLA, and then try to design a programmer. That darn thing needs 4
>or 5 different programming voltages....

The last eprom programmer I built was simple, ttl logic whenever that would
work (6520 I think), and a dac with a opamp for voltage gain on all the
other lines.
Received on Wed Apr 25 2001 - 16:44:33 BST