ATMEGA644A-MU

Manufacturer :

Microchip Technology

Product Category :

Microcontrollers

Interface Type :

2-Wire, SPI, USART

Number of I/O Lines :

32

Interfaces :

SPI/USART

Lead Free :

Lead Free

Core Architecture :

AVR

ROM Programmability :

Flash

Package Shape :

Square

Packaging :

Tray

Product Status :

Active

RAM (bytes) :

4096

Published :

2008

Program Memory Size :

64KB 32K x 16

Seated Height-Max :

1 mm

Package / Case :

44-VFQFN Exposed Pad

PWM Channels :

yes

REACH SVHC :

No SVHC

Number of Pins :

44

ROM (words) :

32768

Terminal Pitch :

0.5mm

Memory Type :

Flash

Instruction Set Architecture :

RISC

Supply Voltage-Max (Vsup) :

5.5V

uPs/uCs/Peripheral ICs Type :

MICROCONTROLLER, RISC

Max Frequency :

20 MHz

Dimensions :

7.1 x 7.1 x 0.95mm

Contact Plating :

Tin

Connectivity :

I2C, SPI, UART/USART

Pbfree Code :

yes

Base Product Number :

ATMEGA644

Radiation Hardening :

No

Typical Operating Supply Voltage :

1.8 → 5.5 V

Width :

7.1mm

Voltage - Supply (Vcc/Vdd) :

1.8V~5.5V

Memory Size :

64KB

Number of External Interrupts :

3

Number of PWM Channels :

6

Supply Current-Max :

9 mA

Speed :

20MHz

Bit Size :

8

DMA Channels :

No

Number of ADC Channels :

8

Product :

MCU

Maximum Operating Temperature :

+85 °C

Number of Programmable I/O :

32

Operating Temperature :

-40°C~85°C TA

Length :

7.1mm

RoHS :

Details

Terminal Position :

QUAD

Data Bus Width :

8B

Minimum Operating Temperature :

-40 °C

Core Processor :

AVR

Number of Timers/Counters :

3 Timer

Height :

950μm

Factory Lead Time :

7 Weeks

Min Supply Voltage :

1.8 V

Number of I/O :

32

DAC Channels :

No

Has ADC :

yes

Product Category :

8-bit Microcontrollers - MCU

Integrated Cache :

No

CPU Family :

AVR RISC

Number of I2C Channels :

1

Core Size :

8-Bit

Product Type :

8-bit Microcontrollers - MCU

Oscillator Type :

Internal

Tradename :

AVR

Power Supplies :

2/5 V

Max Supply Voltage :

5.5 V

Terminal Form :

NO LEAD

Device Core :

AVR

Supplier Device Package :

44-VQFN (7x7)

Mounting Type :

Surface Mount

RAM (words) :

4096

Program Memory Type :

Flash

Mounting Style :

SMD/SMT

Qualification Status :

Not Qualified

Manufacturer :

Microchip

Base Part Number :

ATMEGA644A

Number of SPI Channels :

3

Reach Compliance Code :

Compliant

Series :

AVR® ATmega

Qualification :

-

RoHS Status :

ROHS3 Compliant

Moisture Sensitivity Level (MSL) :

3 (168 Hours)

Data Converters :

A/D 8x10b

Lifecycle Status :

Production (Last Updated: 2 years ago)

JESD-30 Code :

S-PQCC-N44

Number of UART Channels :

2

Family Name :

ATMEGA

RAM Size :

4K x 8

Interface :

I2C, SPI, UART, USART

Mount :

Surface Mount

Number of Terminals :

44

Peripherals :

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

Package Type :

VQFN

Number of Timers :

3

Min Operating Temperature :

-40 °C

On Chip Data RAM Width :

8

Boundary Scan :

yes

Frequency :

20MHz

Number of Serial I/Os :

2

Low Power Mode :

yes

Brand :

Microchip Technology / Atmel

Max Operating Temperature :

85 °C

Pin Count :

44

On Chip Program ROM Width :

16

Temperature Grade :

Industrial

Number of I/Os :

32 I/O

Number of Terminations :

44

Surface Mount :

yes

Watchdog Timer :

yes

Schedule B :

8542310000

Package :

Tray

Data Converter :

A/D 8x10b

Format :

FIXED-POINT

MSL :

MSL 3 - 168 hours

EEPROM Size :

2K x 8