8-bit 80C51 MCU, 33MHz, 4KB EPROM, 5V, 32 I/O, PDIP
8-bit 80C51 CISC MCU, 4KB EPROM, 33MHz, 40-Pin PDIP
8-bit MCU 80C51 CISC 33MHz 8KB EPROM 5V PDIP
8-bit MCU, 80C51 CISC, 32KB EPROM, 33MHz, 40-Pin PDIP
8-bit 80C51 CISC MCU, 8KB EPROM, 33MHz, 40-Pin PDIP
8-bit 80C51 CISC MCU, 16KB EPROM, 33MHz, 40-Pin PDIP