8-Bit MCU, 7KB EPROM, 20MHz, RS-232, 44MQFP
8-Bit MCU, 7KB OTP, 20MHz, 44PLCC, RS-232
8-Bit MCU, 7KB EPROM, 20MHz, 40-Pin PDIP
8-Bit MCU 7KB OTP 20MHz 44TQFP RS-232