UMC UM6116-2 2K x 8-Bit High Speed CMOS Static Ram SRAM 24-Pin IC Chip @CPUCF

Pair Hitachi HM6116P-3 2048 Word CMOS Static Ram SRAM 24-pin IC Chip @CPUCF

National Semiconductor 74F181PC 4-Bit Arithmetic Logic Unit IC Chip 24-Pin CPUCF

NEC D71055C Parallel Interface Unit 40-Pin IC Chip @CPUCF

NEC uPD71055C-10 Parallel Interface Unit IC 40-PDIP Package

Intel P8051AH 8-Bit Microcontroller MCS-51 40-Pin IC Chip @CPUCF

NEC UPB8212C / Intel D8212 8-Bit Registered Bus Transceiver IO Port IC DIP 24

Pair NEC D8253C-2 Programmable Interval Timer 24-Pin IC Chip @CPUCF