-40%
Vintage INS4004J CPU on board w/ 4002, 4008, 4009, SRAM and 1702A EPROMS 4004
$ 343.2
- Description
- Size Guide
Description
This is a vintage 1977National 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.