8-Bit RISC MCU, 20MHz, EPROM, PDIP, 24B RAM, 512B ROM
8-Bit RISC MCU, 20MHz, EPROM, SSOP-28, 5V
8-Bit MCU, 40MHz, 512B OTP, 20 I/O, 28SOIC
8-Bit RISC MCU, 20MHz, EPROM, PDIP-28