8-Bit PIC MCU, 4MHz, EPROM, PDIP-18, 2.5-6V, 13 I/O
8-Bit 4MHz PIC MCU, 3.5KB OTP, 13 I/O, SOIC
8-Bit 4MHz RISC MCU, 3.5KB OTP, 128B RAM, SSOP-20