Re: 4168 "XRAM" in place of 4364 SRAM

From: silverdr_at_wfmh.org.pl
Date: Sun, 30 Jun 2013 00:39:07 +0200
Message-Id: <AEE1B9BF-700A-41F5-8784-97C3F608CB9E@wfmh.org.pl>
On 2013-06-29, at 23:34, Gerrit Heitsch wrote:

>>>>> If I was using it in a VIC-20 as RAM
>>>>> expansion, then I would connect it to PHI2, knowing that nothing
>>>>> will access it at the moment PH2 = (L).
>>>> 
>>>> Hm.. I should be able to try this easily too. Actually I was thinking of something like that, as PHI2 (HI) is also used for allowing R/_W..
>>> 
>>> Check the datasheet if there is a minimum time between _RFSH going high and the next read or write access to the RAM happening. If yes, is it short enough for the VIC-20?
>> 
>> :-) I am not that much interested in the VIC-20 ;-)
> 
> Where are you planning to use it in then?

DD2/DD3 at first. I see why you thought so. But Ruud wrote about what he would do in a VIC-20. I never mentioned it.

-- 
SD!
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Received on 2013-06-29 23:00:03

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