Model:ATTINY3217-MFR BRAND:Microchip description:IC MCU 8BIT 32KB FLASH 24VQFN pack:tape(TR),Shear zone(CT),Digi-Reel? SERIES:tinyAVR? 1, Functional Safety (FuSa) status:in stock Core processor:AVR Core specifications:8-bit Speed:16MHz Peripherals:Undervoltage detection/reset,POR,PWM,WDT I/O number:22 Program storage capacity:32KB(32K x 8) Program memory type:Flash memory EEPROM capacity:256 x 8 RAM size:2K x 8 Voltage - powered by:2.7V ~ 5.5V Data converter:A/D 24x10b; D/A 3x8b Oscillator type:bosom Operating temperature:-40°C ~ 125°C(TA) Type of installation:Surface mount type Encapsulation/Shell:24-VFQFN Exposed pad Supplier device packaging:24-VQFN(4x4)