2716 with 100 nS access time ?

[Jos Dreesen / Marian Capel]

> How about a NV SRAM, such as the DS1220?  100 nsec, 24-pin JEDEC 
> pinout.  Or an ST M48Z12, same-oh pinout and capacity?

These look like the best option.
> 
> Are you trying to replace something like an 82S191?
>  

Indeed , I have a CPU with 40 bit wide microword (5x 82s191).
I would like to replace the instructions for read sector, write sector and set track.
Target is to use an IDE drive instead of the original cartridge drive.

					Jos