Model:P89CV51RD2FBC,557 BRAND:NXP SERIES:89C pack:tray Part status:Discontinued Core processor:8051 speed:40MHz Coprocessor/DSP:EBI/EMI,SPI,UART/USART RAM Controller:POR,PWM,WDT Voltage:4.5V ~ 5.5V Operating temperature:- Safety features:interior Encapsulation/Shell:-40°C ~ 85°C(TA) Supplier device packaging:Surface mount type description:IC MCU 8BIT 64KB FLASH 44TQFP