Model:AT89C51AC3-S3SUM BRAND:Microchip description:IC MCU 8BIT 64KB FLASH 52PLCC pack:Pipe fittings SERIES:89C status:in stock Core processor:80C51 Core specifications:8-bit Speed:60MHz Peripherals:POR,PWM,WDT I/O number:36 Program storage capacity:64KB(64K x 8) Program memory type:Flash memory EEPROM capacity:2K x 8 RAM size:2.25K x 8 Voltage - powered by:3V ~ 5.5V Data converter:A/D 8x10b Oscillator type:外部 Operating temperature:-40°C ~ 85°C(TA) Type of installation:Surface mount type Encapsulation/Shell:52-LCC(J lead) Supplier device packaging:52-PLCC(19.15x19.15)