8-Bit 4MHz PIC MCU, OTP, SOIC, 22 I/O, I2C, SPI, UART
8-Bit RISC MCU, 4MHz, 7KB EPROM, I2C/SPI/UART, SOIC
8-Bit 4MHz PIC MCU, 7KB OTP, I2C/SPI/UART, SOIC
8-Bit 4MHz PIC MCU, OTP, 192B RAM, I2C/SPI/UART, SOIC