Compatibility of 1101A and 1101A1

[dwight]

What clock rate are you using?

Dwight


________________________________
From: cctalk <cctalk-bounces at classiccmp.org> on behalf of Brad H <vintagecomputer at bettercomputing.net>
Sent: Friday, January 20, 2017 4:24:26 PM
To: dstalk at execulink.com; General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Compatibility of 1101A and 1101A1



Ok.  I'm assuming they can work together then?  I have scoured the net and found a couple of pics of mark-8 boards with a mix of 1101a and 1101a1.. or maybe thats why they werent working? :)


Sent from my Samsung device

-------- Original message --------
From: dstalk at execulink.com
Date: 2017-01-20  2:54 PM  (GMT-08:00)
To: cctalk at classiccmp.org
Subject: Re: Compatibility of 1101A and 1101A1

On Fri Jan 20 15:19:24 2017 vintagecomputer at bettercomputing.net (Brad H) wrote:
>
> I have some C1101A RAMs I was planning to use in my Mark-8 project.  I'm
> having trouble finding more, as previously mentioned because the price has
> shot up so much.  I'm wondering, I'm finding lots of P1101A1 RAMs with the
> correct date codes.. are those compatible with C1101A/P1101A?  I don't
> understand what the 1 at the end signifies.
>

According to my TI manual the 1101A is 1500 ns while the A1 is
1000 ns.