Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!munnari.oz.au!mullian!gja
From: gja@mullian.ee.mu.oz.au (Grenville Armitage)
Newsgroups: sci.electronics
Subject: Re: SP0256-AL2 XTAL (was Re: Looking for SPO256-AL2 chip)
Message-ID: <5911@munnari.oz.au>
Date: 1 Nov 90 03:36:54 GMT
References: <21381@orstcs.CS.ORST.EDU> <970015@hpdmd48.boi.hp.com> <1990Oct31.232018.24991@infonode.ingr.com>
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Reply-To: gja@mullian.ee.mu.OZ.AU (Grenville Armitage)
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In article <1990Oct31.232018.24991@infonode.ingr.com> girzong@infonode.ingr.com (Gary Girzon) writes:
>
>does anyone know a good source for the 3.12 MHZ crystal required with
>the SP0256? also, will a standard colorburst (3.58 MHZ) crystal work,
>perhaps with a higher pitch?

Quite a number of years ago I used this chip without a crystal.
An oscillator based on a TTL monostable chip was used to
provide the clock, instead. Just a thought to let you know alternatives
can be used....

gja