Indentification of old (1970) logic family?

From: mcb, inc. (mcbinc_at_world.std.com)
Date: 07/05/04

  • Next message: alpha_uma: "What is JS 214A?" 
    Date: Sun, 4 Jul 2004 21:19:10 -0400

    Google and friends have been of no help and hoping someone
    can help me identify some devices. I'm doing a bit of reverse-
    engineering on a device that uses a logic family I've never
    encountered and which I can't find. Functions appear to be
    similar to ttl (gates, hex inverters, flipflops). Packages
    are standard 14-, 16-, and 24-pin dip. Manufacture date
    is 1970. Logo is an outlined box with small 's' inside (LSI?).
    Given loads and resister pull-up values, logic can sink quite
    a bit of current. Power supply is a bit outside of standard
    ttl spec (running about 5.6V). Devices I'm trying to track
    down are: TR1001, TR1004, TR1005, TR1006, TR1007, TR1008,
    TR1009, TR1010, TR1011, TR1014, TR1016, and TR1023.

    My museum doesn't go back far enough so I'm looking for any
    info. I don't need electrical characteristics, just function
    and pinout. Thanks... 

    --
Monty Brandenberg
  • Next message: alpha_uma: "What is JS 214A?"

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