Model:PIC18F4539-I/PT BRAND:Microchip description:IC MCU 8BIT 24KB FLASH 44TQFP pack:tray SERIES:PIC? 18F status:in stock Core processor:PIC Core specifications:8-bit Speed:40MHz Peripherals:Undervoltage detection/reset,LVD,POR,PWM,WDT I/O number:32 Program storage capacity:24KB(12K x 16) Program memory type:Flash memory EEPROM capacity:256 x 8 RAM size:1408 x 8 Voltage - powered by:4.2V ~ 5.5V Data converter:A/D 8x10b Oscillator type:bosom Operating temperature:-40°C ~ 85°C(TA) Type of installation:Surface mount type Encapsulation/Shell:44-TQFP Supplier device packaging:44-TQFP(10x10)