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From: phil@amdcad.UUCP (Phil Ngai)
Newsgroups: net.arch
Subject: Re: Re: Bad devices (timing loops)
Message-ID: <10320@amdcad.UUCP>
Date: Wed, 5-Mar-86 22:37:03 EST
Article-I.D.: amdcad.10320
Posted: Wed Mar  5 22:37:03 1986
Date-Received: Sat, 8-Mar-86 18:28:01 EST
References: <374@mips.UUCP>
Reply-To: phil@amdcad.UUCP (Phil Ngai)
Distribution: net
Organization: AMD, Sunnyvale, California
Lines: 18

In article <374@mips.UUCP> mark@mips.UUCP (Mark G. Johnson) writes:
>Actually, RAM chips with this feature were built ten years ago....
>by AMD-Sunnyvale (Mr. Ngai's employer).  Self-timed access cycles
>were accomplished by providing an "MS" output pin on the RAM,
>which signaled cycle-is-done.  This allowed simple handshake
>protocols, as outlined in the reference below:

Yes, I'm aware of that device. I hate to admit it, but the idea
doesn't seem to have caught on, did it? Pins are a rather precious
resource.
-- 
 "We must welcome the future, remembering that soon it will become the
  present, and respect the past, knowing that once it was all that was
  humanly possible."

 Phil Ngai +1 408 749 5720
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 ARPA: amdcad!phil@decwrl.dec.com