8-Bit 4MHz PIC MCU, 1.75KB OTP, 128B RAM, PDIP-8
8-Bit 4MHz RISC MCU, PIC Core, 3.5KB OTP, 5 I/O, PDIP-8
8-Bit 4MHz PIC MCU, 1.75KB OTP, 5 I/O, PDIP-8