ATMEGA644A-MU

Manufacturer :

Microchip Technology

Product Category :

Microcontrollers

Temperature Grade :

Industrial

Factory Lead Time :

7 Weeks

CPU Family :

AVR RISC

Number of Programmable I/O :

32

Number of External Interrupts :

3

Pin Count :

44

RoHS Status :

ROHS3 Compliant

Number of I/O :

32

ROM (words) :

32768

Min Operating Temperature :

-40 °C

Program Memory Size :

64KB 32K x 16

Data Converter :

A/D 8x10b

RAM (words) :

4096

Low Power Mode :

yes

Supply Current-Max :

9 mA

Family Name :

ATMEGA

Product Status :

Active

On Chip Data RAM Width :

8

Core Processor :

AVR

On Chip Program ROM Width :

16

Data Bus Width :

8B

Lead Free :

Lead Free

Has ADC :

yes

Interface :

I2C, SPI, UART, USART

Min Supply Voltage :

1.8 V

Number of ADC Channels :

8

Typical Operating Supply Voltage :

1.8 → 5.5 V

Lifecycle Status :

Production (Last Updated: 2 years ago)

Connectivity :

I2C, SPI, UART/USART

Contact Plating :

Tin

Mount :

Surface Mount

Number of Serial I/Os :

2

Instruction Set Architecture :

RISC

uPs/uCs/Peripheral ICs Type :

MICROCONTROLLER, RISC

Seated Height-Max :

1 mm

Number of Timers :

3

Schedule B :

8542310000

Data Converters :

A/D 8x10b

Package / Case :

44-VFQFN Exposed Pad

Terminal Position :

QUAD

Bit Size :

8

Length :

7.1mm

Package :

Tray

Number of SPI Channels :

3

Series :

AVR® ATmega

Base Part Number :

ATMEGA644A

Device Core :

AVR

Max Operating Temperature :

85 °C

Supplier Device Package :

44-VQFN (7x7)

Product Category :

8-bit Microcontrollers - MCU

Oscillator Type :

Internal

PWM Channels :

yes

Number of PWM Channels :

6

RoHS :

Details

Number of Terminals :

44

Number of Pins :

44

Manufacturer :

Microchip

Memory Size :

64KB

Terminal Form :

NO LEAD

Packaging :

Tray

Power Supplies :

2/5 V

Max Supply Voltage :

5.5 V

Package Type :

VQFN

DMA Channels :

No

Moisture Sensitivity Level (MSL) :

3 (168 Hours)

Pbfree Code :

yes

Mounting Type :

Surface Mount

Watchdog Timer :

yes

Product Type :

8-bit Microcontrollers - MCU

Operating Temperature :

-40°C~85°C TA

Brand :

Microchip Technology / Atmel

Interfaces :

SPI/USART

Number of I2C Channels :

1

Core Architecture :

AVR

Height :

950μm

Tradename :

AVR

Terminal Pitch :

0.5mm

DAC Channels :

No

Interface Type :

2-Wire, SPI, USART

Number of UART Channels :

2

Speed :

20MHz

Mounting Style :

SMD/SMT

Qualification Status :

Not Qualified

Max Frequency :

20 MHz

Width :

7.1mm

RAM Size :

4K x 8

MSL :

MSL 3 - 168 hours

Supply Voltage-Max (Vsup) :

5.5V

Format :

FIXED-POINT

Maximum Operating Temperature :

+85 °C

Integrated Cache :

No

Dimensions :

7.1 x 7.1 x 0.95mm

Published :

2008

Product :

MCU

Number of I/O Lines :

32

Number of Timers/Counters :

3 Timer

Reach Compliance Code :

Compliant

Package Shape :

Square

Surface Mount :

yes

Radiation Hardening :

No

Frequency :

20MHz

Voltage - Supply (Vcc/Vdd) :

1.8V~5.5V

Core Size :

8-Bit

Number of I/Os :

32 I/O

RAM (bytes) :

4096

EEPROM Size :

2K x 8

REACH SVHC :

No SVHC

Minimum Operating Temperature :

-40 °C

Boundary Scan :

yes

Program Memory Type :

Flash

Number of Terminations :

44

Peripherals :

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

Memory Type :

Flash

JESD-30 Code :

S-PQCC-N44

ROM Programmability :

Flash

Base Product Number :

ATMEGA644

Qualification :

-