8-Bit RISC MCU, 20MHz, 7KB EPROM, I2C/SPI/UART, QFP
8-Bit 20MHz RISC MCU, PIC Core, 7KB OTP, 33 I/O, PLCC
8-Bit RISC MCU, 20MHz, 7KB OTP, 33 I/O, PDIP
8-Bit MCU, 7KB OTP, 20MHz, 44TQFP, I2C/SPI/UART