Model:AT89C51RB2-RLTUM BRAND:Microchip description:IC MCU 8BIT 16KB FLASH 44VQFP pack:tray SERIES:89C status:in stock Core processor:80C51 Core specifications:8-bit Speed:60MHz Peripherals:POR,PWM,WDT I/O number:32 Program storage capacity:16KB(16K x 8) Program memory type:Flash memory EEPROM capacity:- RAM size:1.25K 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:44-LQFP Supplier device packaging:44-VQFP(10x10)