2 layers114.3 × 99.7 mm

I281 alu norless
brandtdamman/i281e-cpu
Developed by SDMAY24-14 Senior Design group under Dr. Stoytchev, the i281e CPU is an extended design from the original i281 CPU for educational purposes.
70 parts1
Boards in 2 GitHub repositories, designed in KiCad, that use the CD74HCT283E by Texas Instruments (-55℃~+125℃ 4 4.5V~5.5V Full Adder PDIP-16 Specialty Logic ROHS). See how each wires it, with its parts, size, README and files; the CD74HCT283E’s symbol, footprint and pinout are on its own page.

brandtdamman/i281e-cpu
Developed by SDMAY24-14 Senior Design group under Dr. Stoytchev, the i281e CPU is an extended design from the original i281 CPU for educational purposes.

brandtdamman/i281e-cpu
Developed by SDMAY24-14 Senior Design group under Dr. Stoytchev, the i281e CPU is an extended design from the original i281 CPU for educational purposes.

Robert-Riordan-UCD/8_Bit_CPU_PCB
PCB version of Ben Eaters 8-bit breadboard computer