Model:P87C51X2FA,512 BRAND:NXP SERIES:87C pack:Pipe fittings Part status:Discontinued Core processor:8051 speed:33MHz Coprocessor/DSP:EBI/EMI,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 4KB OTP 44PLCC