8-Bit Microcontroller, 8051 CPU, 6MHz, UVPROM, 40-Pin CDIP
8-Bit Microcontroller, 8051 CPU, 6MHz, OTPROM, 44-Pin PQCC
8-Bit Microcontroller, 6MHz, 8051 CPU, OTPROM, PDIP40
8-Bit MCU, 8051, 6MHz, UVPROM, NMOS, CDIP40
40-Pin Dual-Mode Microcontroller, 5V, 12MHz, 32 I/O Lines, CERDIP-40
8-Bit Microcontroller, 8051 CPU, 6MHz, UVPROM, 40-Pin CERDIP