4-Bit MROM Microcontroller, 20-Pin SOP, 2.7-5.5V, 4.4MHz, 14 I/O
MCU 4-Bit 720 CISC 4KB ROM 3.3V/5V 20-Pin SOP
MCU 4-Bit 720 CISC 2KB ROM 3.3V/5V 20-Pin SOP
4-Bit OTPROM MCU, 4.4MHz, 2.7-5.5V, 20-Pin SOP