8-Bit MCU, 12MHz, 40-Pin DIP, MROM, 5V
8-Bit MCU, 8051 CPU, 12MHz, CMOS, 40-Pin DIP
8-Bit Microcontroller, 11MHz, NMOS, MROM, 40-Pin DIP
8-Bit 8051 MCU, 12MHz, 4.5-5.5V, 44-Pin PQCC
