Parameters |
Mfr |
Microchip Technology |
Series |
AVR® ATmega |
Package |
Tape & Reel (TR) |
Product Status |
Active |
Core Processor |
AVR |
Core Size |
8-Bit |
Speed |
20MHz |
Connectivity |
I²C, SPI, UART/USART |
Peripherals |
Brown-out Detect/Reset, POR, PWM, WDT |
Number of I/O |
32 |
Program Memory Size |
64KB (32K x 16) |
Program Memory Type |
FLASH |
EEPROM Size |
2K x 8 |
RAM Size |
4K x 8 |
Voltage - Supply (Vcc/Vdd) |
2.7V ~ 5.5V |
Data Converters |
A/D 8x10b |
Oscillator Type |
Internal |
Operating Temperature |
-40°C ~ 105°C (TA) |
Mounting Type |
Surface Mount |
Package / Case |
44-VFQFN Exposed Pad |
Supplier Device Package |
44-VQFN (7x7) |
Base Product Number |
ATMEGA644 |
RoHS Status |
ROHS3 Compliant |
Moisture Sensitivity Level (MSL) |
3 (168 Hours) |
REACH Status |
REACH Unaffected |
ECCN |
EAR99 |
HTSUS |
8542.31.0001 |
Standard Package |
4,000 |
AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-VQFN (7x7)