Date   : Tue, 08 Sep 2009 13:33:59 +0100
From   : robert@... (Rob)
Subject: Acorn World '09: Final Layout & Wiring Plan

On 08/09/2009, Phil Blundell <philb@...> wrote:
>
> 512Kbit SRAMs seem to be somewhat hard to buy, so for 64K you'd need to
> use either a pair of stacked 62256s or half of a 1Mbit device.  I guess
> the former is probably easier.

You'd have to invert at least one address line and gate it with the
selects, to use stacked chips, surely?

I'm sure it's much easier just to stick a single 62256 in each of two
sockets, both modded as shown above..

:-)

Rob