IC 8-BIT, 16 MHz, MICROCONTROLLER, PDIP40, 0.600 INCH, PLASTIC, MO-015, SOT-129-1, DIP-40, Microcontroller
P80C31SBPN.112
8-bit MCU 80C51 CISC ROMless 16MHz 32 I/O 32KB RAM 40-Pin PDIP