Model:AT89C51ED2-RDRUM BRAND:Microchip description:IC MCU 8BIT 64KB FLASH 64LQFP pack:tape(TR),Shear zone(CT),Digi-Reel? SERIES:89C status:in stock Core processor:80C51 Core specifications:8-bit Speed:60MHz Peripherals:POR,PWM,WDT I/O number:50 Program storage capacity:64KB(64K x 8) Program memory type:Flash memory EEPROM capacity:2K x 8 RAM size:2K x 8 Voltage - powered by:2.7V ~ 5.5V Data converter:- Oscillator type:外部 Operating temperature:-40°C ~ 85°C(TA) Type of installation:Surface mount type Encapsulation/Shell:64-LQFP Supplier device packaging:64-LQFP(10x10)