MCU 8-bit 8XC51FX 80C51 CISC ROMLess 5V 44-Pin PLCC
MCU 8-Bit MCS51 8051 CISC ROMLess 5V 40-Pin PDIP Tube
80C51FA 24MHz 8051 Core Microcontroller, 256B RAM, 32 I/Os, 3 Timers, PLCC
80C51FA 32-Bit Microcontroller, ROMless, 256B RAM, PLCC Package
