8-Bit 4MHz PIC MCU, 3.5KB OTP, 22 I/O, I2C/SPI, DIP-28
8-bit MCU, PIC RISC, 4MHz, 3.5KB OTP, 5V, 22 I/O, I2C/SPI
8-Bit 4MHz RISC MCU, PIC Core, 3.5KB OTP, I2C/SPI/USART, PDIP28
8-Bit 4MHz RISC MCU, PIC Core, 3.5KB MROM, DIP-28