4 layers51 × 61 mm

Gameboy MBC5 Cart QUAD FLASH - FRAM - 4-8MB
sillyhatday/GAMEBOY-MBC5-QUAD-8MB
8MB Gameboy cart using only 2MB flash chips
19 parts10CC-BY-SA-4.0
Boards in 1 GitHub repository, designed in KiCad, that use the SN74HCS32D by Texas Instruments (-40℃~+125℃ 1.5V~4.2V 12ns@6V,50pF 1V~3V 2 220mV~330mV 2V~6V 2uA 4 5.4V~5.75V 7.8mA 7.8mA 74HCS Series OR Gate SOIC-14 Logic Gates ROHS). See how each wires it, with its parts, size, README and files; the SN74HCS32D’s symbol, footprint and pinout are on its own page.

sillyhatday/GAMEBOY-MBC5-QUAD-8MB
8MB Gameboy cart using only 2MB flash chips