Factory Lead Time  

3 Weeks

Mount  

Surface Mount

Mounting Type  

Surface Mount

Package / Case  

44-TQFP

Number of Pins  

44

Data Converters  

A/D 8x10b

Number of I/Os  

32

Operating Temperature  

-40°C~85°C TA

Packaging  

Tape & Reel (TR)

Series  

AVR® ATmega

Published  

1997

JESD-609 Code  

e3

Pbfree Code  

yes

Part Status  

Active

Moisture Sensitivity Level (MSL)  

3 (168 Hours)

Number of Terminations  

44

Terminal Finish  

Matte Tin (Sn)

Additional Feature  

ALSO OPERATES AT 2.7V SUPPLY AT 10 MHZ

Terminal Position  

QUAD

Terminal Form  

GULL WING

Peak Reflow Temperature (Cel)  

260

Supply Voltage  

5V

Terminal Pitch  

0.8mm

Frequency  

20MHz

Time@Peak Reflow Temperature-Max (s)  

40

Base Part Number  

ATMEGA644

Supply Voltage-Max (Vsup)  

5.5V

Supply Voltage-Min (Vsup)  

4.5V

Interface  

I2C, SPI, UART, USART

Memory Size  

64kB

Oscillator Type  

Internal

RAM Size  

4K x 8

Voltage - Supply (Vcc/Vdd)  

2.7V~5.5V

uPs/uCs/Peripheral ICs Type  

MICROCONTROLLER, RISC

Core Processor  

AVR

Peripherals  

Brown-out Detect/Reset, POR, PWM, WDT

Program Memory Type  

FLASH

Core Size  

8-Bit

Program Memory Size  

64KB 32K x 16

Connectivity  

I2C, SPI, UART/USART

Bit Size  

8

Has ADC  

YES

DMA Channels  

NO

Data Bus Width  

8b

PWM Channels  

YES

DAC Channels  

NO

Number of Timers/Counters  

3

EEPROM Size  

2K x 8

Length  

10mm

Height Seated (Max)  

1.2mm

Radiation Hardening  

No

RoHS Status  

ROHS3 Compliant