Model:T89C51RD2-RDTIL BRAND:Microchip description:IC MCU 8BIT 64KB FLASH 64VQFP pack:tray SERIES:89C status:Discontinued Core processor:8051 Core specifications:8-bit Speed:40MHz Peripherals:POR,PWM,WDT I/O number:48 Program storage capacity:64KB(64K x 8) Program memory type:Flash memory EEPROM capacity:2K x 8 RAM size:1.25K x 8 Voltage - powered by:2.7V ~ 3.6V Data converter:- Oscillator type:bosom Operating temperature:-40°C ~ 85°C Type of installation:Surface mount type Encapsulation/Shell:64-LQFP Supplier device packaging:64-VQFP(10x10)