-40%

Vintage INS4004J CPU on board w/ 4002, 4008, 4009, SRAM and 1702A EPROMS 4004

$ 343.2

Availability: 100 in stock
  • Brand: National Semiconductor
  • Country/Region of Manufacture: United States
  • All returns accepted: ReturnsNotAccepted
  • Modified Item: No
  • Condition: Good.
  • Custom Bundle: No
  • MPN: INS4004J

    Description

    This is a vintage 1977
    National Semiconductor
    INS4004J
    CPU
    chip
    mounted on a Pro-Log
    PROM
    Programmer circuit board. All chips are in excellent condition and socketed.
    T
    his board contains the
    MCS-4 chipset
    :
    INS4004J
    ceramic CPU
    INS4002-1J
    ceramic RAM (x2)
    INS4008N
    I/O Interface
    INS4009N
    I/O Interface
    INS4201N
    clock
    National
    MM1702AQ
    and AMD
    AM1702A
    EPROMs (9 total EPROMs)
    Also includes 16
    MM74C929D
    1K x 1 gold topped SRAM chips,
    and 16
    S6508
    1K x 1 plastic SRAM's.
    I have no way to test this out so it's sold as-is, vintage electronics. There was a note
    saying that some EPROM had lost some bits crashing the program.