8-Bit 4MHz PIC MCU, SOIC, I2C/SPI, 3.5KB OTP, 22 I/O
8-Bit RISC MCU, 4MHz, OTP, I2C/SPI/USART, SOIC
8-Bit PIC MCU, 4MHz, 3.5KB OTP, SOIC, 22 I/O, I2C/SPI
8-Bit MCU, 20MHz, 3.5KB OTP, I2C/SPI, 28-SOIC