The National IMP-8 is a family of multi-chip 8-bit bit-slice microprocessor developed by National semiconductor and introduced in 1974. The chips were made using PMOS technology. Units could be combined to implement systems with 8 to 32-bit words. The IMP-8 was designed using 2 IMP-4 4-bit bit-slice RALUs and an 8-bit control unit.
|IMP-8A/500||IMP-8A/400||Bundled Kit, CROM + 2 IMP-00A/520|
|IMP-8A/520||IMP-8A/420||Control and Read-only Memory (CROM)|
Rockwel was the only 2nd source for the IMP-8 series.
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