early RAM ICs - test-drb@ccmp.vtda.org

26 Apr 2008

Eric Smith wrote:
...
  Jean-Marie Pichot wrote:
  This display terminal was designed in 1969, 
[...]  Remember,
 in that time, there are no micro-processor, neither RAM chips! 
 There were RAM chips in 1969.  Most of them stored 16 bits or
 less.  I have not been able to determine when the first 64-bit RAM
 appeared, but it might have occurred by then. 
Going back to a thread from a week or two ago, and just for the sake
of providing a datapoint, while looking for some other IC data in a
Motorola 1969 Semiconductor Databook, I noticed:
  MC1170L PMOS 64-bit RAM
  - organised as 16 words of 4 bits
  - binary addressable (4 address lines, 4-bidir data lines)

Also ran across mention of:
 "Intel's first commercial chip, the 3101, a 64-bit static RAM
  using Schottky TTL"
dated at 1969, at:
  http://homepages.nildram.co.uk/~wylie/ICs/monolith.htm
(Nice page if one is interested in early IC developments.)