ATMEGA644A-AU

Manufacturer :

Microchip Technology

Product Category :

Microcontrollers

Pin Count :

44

Package Shape :

Square

Core Architecture :

AVR

ROM (words) :

32768

Brand :

Microchip Technology / Atmel

Product :

MCU

On Chip Data RAM Width :

8

Frequency :

20MHz

Interface Type :

2-Wire, SPI, Serial, USART

Max Operating Temperature :

85 °C

Mounting Type :

Surface Mount

Package :

Tray

Interfaces :

SPI/USART

Number of I/O Lines :

32

On Chip Program ROM Width :

16

Speed :

20MHz

Product Status :

Active

Product Type :

8-bit Microcontrollers - MCU

Minimum Operating Temperature :

-40 °C

Number of Serial I/Os :

2

RAM (words) :

4096

Number of Terminations :

44

Boundary Scan :

yes

Data Converters :

A/D 8x10b

DMA Channels :

No

Terminal Position :

QUAD

Temperature Grade :

Industrial

Series :

AVR® ATmega

Program Memory Size :

64KB 32K x 16

Product Category :

8-bit Microcontrollers - MCU

Maximum Operating Temperature :

+85 °C

Lead Free :

Lead Free

Integrated Cache :

No

EEPROM Size :

2K x 8

Core Processor :

AVR

Number of Timers :

3

CPU Family :

AVR RISC

Family Name :

ATMEGA644A

Seated Height-Max :

1.2 mm

Mounting Style :

SMD/SMT

Bit Size :

8

Qualification Status :

Not Qualified

Width :

10mm

Connectivity :

I2C, SPI, UART/USART

REACH SVHC :

No SVHC

Peripherals :

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

Base Product Number :

ATMEGA644

Package Type :

TQFP

Min Supply Voltage :

1.8 V

Reach Compliance Code :

Compliant

Time@Peak Reflow Temperature-Max (s) :

40

Voltage - Supply (Vcc/Vdd) :

1.8V~5.5V

Data Converter :

A/D 8x10b

RoHS :

Details

Watchdog Timer :

yes

PWM Channels :

yes

Device Core :

AVR

Instruction Set Architecture :

RISC

Number of Programmable I/O :

32

Manufacturer :

Microchip

Min Operating Temperature :

-40 °C

Length :

10mm

Max Frequency :

20 MHz

Format :

FIXED-POINT

RAM Size :

4K x 8

Supply Current-Max :

9 mA

Low Power Mode :

yes

Mount :

Surface Mount

JESD-609 Code :

e3

Radiation Hardening :

No

Memory Size :

64KB

Operating Temperature :

-40°C~85°C TA

JESD-30 Code :

S-PQFP-G44

Supplier Device Package :

44-TQFP (10x10)

Supply Voltage-Max (Vsup) :

5.5V

Typical Operating Supply Voltage :

1.8 → 5.5 V

Factory Lead Time :

7 Weeks

ROM Programmability :

Flash

Number of External Interrupts :

3

RAM (bytes) :

4096

Core Size :

8-Bit

Published :

2008

Oscillator Type :

Internal

RoHS Status :

ROHS3 Compliant

Data Bus Width :

8B

Dimensions :

10.1 x 10.1 x 1.05mm

Tradename :

AVR

Schedule B :

8542310000

Terminal Form :

Gull wing

Max Supply Voltage :

5.5 V

Base Part Number :

ATMEGA644A

Lifecycle Status :

Production (Last Updated: 2 years ago)

Interface :

I2C, SPI, UART, USART

Program Memory Type :

Flash

Peak Reflow Temperature (Cel) :

260

uPs/uCs/Peripheral ICs Type :

MICROCONTROLLER, RISC

Has ADC :

yes

Number of ADC Channels :

8

DAC Channels :

No

MSL :

MSL 3 - 168 hours

Number of PWM Channels :

6

Pbfree Code :

yes

Terminal Finish :

Matte Tin (Sn) - annealed

Package / Case :

44-TQFP

Number of Terminals :

44

Moisture Sensitivity Level (MSL) :

3 (168 Hours)

Contact Plating :

Tin

Qualification :

-

Number of Pins :

44

Surface Mount :

yes

Number of Timers/Counters :

3

Number of I2C Channels :

1

Number of SPI Channels :

1

Packaging :

Tray

Terminal Pitch :

0.8 mm

Number of I/Os :

32 I/O

Number of I/O :

32

Height :

1.05mm

Power Supplies :

2/5V

Memory Type :

Flash