Model:P80C31SFAA,512 BRAND:NXP SERIES:80C pack:Pipe fittings Part status:Discontinued Core processor:8051 speed:16MHz Coprocessor/DSP:UART/USART RAM Controller:POR Voltage:2.7V ~ 5.5V Operating temperature:- Safety features:interior Encapsulation/Shell:-40°C ~ 85°C(TA) Supplier device packaging:Surface mount type description:IC MCU 8BIT ROMLESS 44PLCC