2 layers97.8 × 20.3 mm

Comparator
Trilobyte-CPU/8-bit-computer
A DIY 8-bit computer built mostly with discrete logic chips
20 parts2
Boards in 1 GitHub repository, designed in KiCad, that use the CD4063BE by Texas Instruments (-55℃~+125℃ 100uA 350ns@15V,50pF 3V~18V 4 4.2mA 4.2mA A<B,A=B,A>B Active High Multi-device cascading PDIP-16 Digital Comparators ROHS). See how each wires it, with its parts, size, README and files; the CD4063BE’s symbol, footprint and pinout are on its own page.

Trilobyte-CPU/8-bit-computer
A DIY 8-bit computer built mostly with discrete logic chips

Trilobyte-CPU/8-bit-computer
A DIY 8-bit computer built mostly with discrete logic chips