2 layers160 × 140 mm

8-Bit CPU
otterbox901/8-Bit_CPU
Microcoded 8-bit CPU built from 24 74HC-series ICs: a custom 10-instruction ISA, 4 general-purpose registers, and an EEPROM-driven control unit.
69 parts2
Open-source boards designed in KiCad by otterbox901 on GitHub, from 1 repository. A board’s address here is its repository’s there.

otterbox901/8-Bit_CPU
Microcoded 8-bit CPU built from 24 74HC-series ICs: a custom 10-instruction ISA, 4 general-purpose registers, and an EEPROM-driven control unit.