8-Bit RISC MCU, 20MHz, EPROM, I2C/SPI, SOIC, 4-5.5V
8-Bit RISC MCU, 20MHz, EPROM, I2C/SPI, PDIP18
8-Bit 20MHz RISC MCU, 3.5KB EPROM, I2C/SPI, PDIP-18
8-Bit RISC MCU, 20MHz, EPROM, I2C/SPI, SSOP-20