Memory/cache on the 11/70

Roy J. Tellason rtellason at
Fri Jan 9 05:31:37 CST 2009

On Friday 09 January 2009 03:58:56 am Chuck Guzis wrote:
> On 9 Jan 2009 at 3:47, Roy J. Tellason wrote:
> > Any suggestions as to where I might find some welcomed.  I have 2kx8 and
> > 8kx8 parts,  but nothing bigger.
> How fast do you need the parts?

Not very.  I'm talking about fooling around with 4 MHz Z80s...

> There's a "nuisance factor" with smaller capacity SRAM parts--more layout,
> and sockets (if you use them).  You can still get new 70 nsec 128Kx8 and
> 512Kx8 SRAM in DIP for not a lot of money--and lower power.

I suppose I could use that as program storage or somesuch.  The 32kx8 parts 
could take care of my RAM needs for one of those chips with just two parts.

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