From: William Levak (wlevak_at_cyberspace.org)
Date: 2002-05-02 04:07:59
It may be possible to base an adapter on a 27C512 since it has 16 inputs and 8 outputs, the same as the 82S100. You would need more than that. You would have to latch the output lines so that they would stay constant when the 27C512 is not being actively read. If you are going to build an adapter, why not use a more modern FPLA? On Wed, 1 May 2002, Daniele Gratteri wrote: > Hello to all of you. I have read that it is possible to use a fast 27C512 > EPROM as a PLA replacement, since with an adaptor it should be possible to > read the PLA as if it is an EPROM and then the PLA contents can be > programmed into the 27C512 chip. Now I have some questions: > - how fast the 82S100 is? I have a Signetics datasheet which says "80ns max. > I/O propagation delay" > - where can I find informations about the adapter to be built? > I want to try this experiment since, if it is successfull, I can help many > people with PLA problems here in Italy. Thanks in advance, > ____ __ > / ___|____ Daniele Gratteri, Italian Commodore and Amiga user /// > | | |___/ E-MAIL: daniele_gratteri@inwind.it __ /// > | |___|___\ IRC: FIAT1100D - ICQ: 53943994 \\\/// > \____| URL: http://spazioweb.inwind.it/danielegratteri \/// > > > Message was sent through the cbm-hackers mailing list > Message was sent through the cbm-hackers mailing list
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