Texas Instruments TMS99C14ANL Microcontroller 40-Pin IC Chip @CPUAA

Vintage Texas Instruments C11061N LEU9251 40 Pin DIP IC Chip @CPU202

Zilog Z0840006PSC Z80 6MHz 40-Pin IC Chip @CPUAA

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

Hitachi HD6305VOP 8-Bit Microcontroller 6805 40-Pin IC Chip @CPUCC

Texas Instruments TMS4500A-200N Dynamic Memory 40-Pin DRAM IC Chip @CPUAA

Texas Instruments TMS7001NL-4 8-Bit Microcontroller 40-Pin IC Chip @CPUCF

Mitel MT8980DE 40-Pin Digital Switch PCM IC Chip @CPUAA