8-Bit Microcontroller, 6MHz, 8051 CPU, OTPROM, PDIP40
8-Bit Microcontroller, 8051 CPU, 6MHz, OTPROM, 44-Pin PQCC
8-Bit Microcontroller, 6MHz, 8051 CPU, OTPROM, 40-Pin DIP
8-Bit Microcontroller, 8051 CPU, 6MHz, UVPROM, 40-Pin CDIP
