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[ EARLY 8-BIT AND 16-BIT PROCESSORS // IDENTIFIED CPU ]

Motorola MC68000P8

Motorola 68000 family; P8 plastic DIP, introduced 1979. 32-bit programmer-visible registers, 16-bit external bus, 24-bit addressing, 8 MHz, 64-pin DIP.

Photograph of Motorola MC68000P8
PHOTOGRAPH — John McMaster, CC BY 4.0 · FILE ON WIKIMEDIA COMMONS

MODEL IDENTIFICATION: Motorola MC68000P8. Match full model suffix, stepping and package to the physical item and cited documentation.

Recorded specifications

Cataloged modelMotorola MC68000P8
Era / familyMotorola 68000 family; P8 plastic DIP, introduced 1979.
Model specifications32-bit programmer-visible registers, 16-bit external bus, 24-bit addressing, 8 MHz, 64-pin DIP.
Compatibility68000 bus/support logic; unrelated to x86 software/socket.
Variants / limitsP8 denotes 8 MHz plastic DIP; PLCC/faster variants differ.

Compatibility and variants

  • 68000 bus/support logic; unrelated to x86 software/socket.
  • P8 denotes 8 MHz plastic DIP; PLCC/faster variants differ.
  • Check system-vendor CPU support, board revision, firmware minimum, package, memory, cooling and power before installation; similar socket naming does not prove compatibility.

Service and archival notes

Record package, clock, bus map and peripheral identities.

Archive the complete marking/OPN/sSpec, stepping, physical condition, tested host revision, firmware, memory population, cooling, and test conditions. Distinguish published limits from measurements.

Sources & further reading

  1. Model lookup — Motorola MC68000P8Model-specific package and specification cross-reference.
  2. Manufacturer technical documents — Motorola MC68000P8Archived manufacturer data sheets/manuals for the exact family.
  3. Computer History Museum — Motorola MC68000P8 historyInstitutional history of early microprocessor development.
  4. Various Creators — What Happened to the Motorola 68000? The Chip That Powered Macs and WorkstationsIndependent video review; treat as supplementary context, not primary manufacturer documentation.

Use the matching manufacturer data sheet revision and platform vendor’s CPU list for final fit decisions.