Part Number: P80C31SBPN Manufacturer: NXP Description: IC, 8 bit CPU, 80C31, DIP40 Download Data Sheet Docket: INTEGRATED CIRCUITS 80C51/87C51/80C31 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage (2.7V5.5V), low power, high ...