Model:PIC18F66K90T-I/MRRSL BRAND:Microchip description:IC MCU 8BIT 64KB FLASH 64VQFN pack:tape(TR) SERIES:PIC? XLP? 18K status:Discontinued Core processor:PIC Core specifications:8-bit Speed:64MHz Peripherals:Undervoltage detection/reset,LCD,POR,PWM,WDT I/O number:53 Program storage capacity:64KB(32K x 16) Program memory type:Flash memory EEPROM capacity:1K x 8 RAM size:4K x 8 Voltage - powered by:1.8V ~ 5.5V Data converter:A/D 16x12b Oscillator type:bosom Operating temperature:-40°C ~ 85°C(TA) Type of installation:Surface mount type Encapsulation/Shell:64-VFQFN Exposed pad Supplier device packaging:64-VQFN(9x9)