8-Bit 4MHz PIC MCU, 1.75KB Flash, 13 I/O, SSOP
8-Bit MCU, 4MHz, EPROM, I2C/SPI, SSOP-28
8-Bit 4MHz RISC MCU, EPROM, SSOP-20, 13 I/O
8-Bit 4MHz PIC MCU, 0.875KB OTP, SSOP-20
8-Bit 4MHz RISC MCU, OTP, SSOP-20