Physical Implementation - Fabrication
Classic NMOS/CMOS
Early integrated microprocessors constrained by area, pins, and bus timing.
CPU Exemplars With This Coordinate
ARCHITECTURAL_ESTIMATE
Intel 4004
1971 - intel
A 4-bit microprocessor showing the CPU as a new integrated control object: narrow datapath, small state, external memory, and board-level system role.
VALIDATED_LIMITEDIntel i80486
1989 - intel
A mainstream x86 CPU where compatibility, pipelining, on-chip cache, and integrated floating point converge into the modern desktop processor shape.