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Article #22493

Re: SLAM's

#22493
From: Henry Spencer
Date: Fri, 02 Mar 1990 17:09
17 lines
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In article <22602@unix.cis.pitt.edu> fmgst@unix.cis.pitt.edu (Filip G.) writes:
>	I once read an article, in BYTE I think, that described
>	SLAMS, or Scan Line A???? Memory. Basicly, the concept was
>	to make a memory chip that was to make access to a 
>	single scan-line much faster than usual schemes of
>	using 2-port ram or standard RAM. Very promising for
>	high speed systems but I have not heard of it SINCE.

This sounds much like VRAMs, which are standard production items now.
These are DRAMs plus an on-chip shift register that can be loaded from
a row of DRAM data in one operation and then clocked out serially at
high speed.  Much used for video displays (that's what the V is) and
also getting attention for memory systems for fast processors (which
often do sequential reads for things like cache fills).
-- 
MSDOS, abbrev:  Maybe SomeDay |     Henry Spencer at U of Toronto Zoology
an Operating System.          | uunet!attcan!utzoo!henry henry@zoo.toronto.edu
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Message-ID: <1990Mar2.170948.1037@utzoo.uucp>
Path: arc1-ca.pugleaf.net!utzoo!henry
References: <22602@unix.cis.pitt.edu>

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Newsgroups: sci.electronics
Path: arc1-ca.pugleaf.net!utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: SLAM's
Message-ID: <1990Mar2.170948.1037@utzoo.uucp>
Organization: U of Toronto Zoology
References: <22602@unix.cis.pitt.edu>
Date: Fri, 2 Mar 90 17:09:48 GMT