ATMEGA644A-MU

Manufacturer :

Microchip Technology

Product Category :

Microcontrollers

Package Shape :

Square

Number of Terminations :

44

Min Operating Temperature :

-40 °C

Lifecycle Status :

Production (Last Updated: 2 years ago)

Base Part Number :

ATMEGA644A

Peripherals :

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

Moisture Sensitivity Level (MSL) :

3 (168 Hours)

Operating Temperature :

-40°C~85°C TA

Qualification :

-

Min Supply Voltage :

1.8 V

Power Supplies :

2/5 V

Number of Pins :

44

Terminal Pitch :

0.5mm

Interfaces :

SPI/USART

Lead Free :

Lead Free

Frequency :

20MHz

Supply Voltage-Max (Vsup) :

5.5V

DMA Channels :

No

Supplier Device Package :

44-VQFN (7x7)

Number of Terminals :

44

Published :

2008

Number of SPI Channels :

3

Temperature Grade :

Industrial

Packaging :

Tray

Surface Mount :

yes

ROM Programmability :

Flash

Mounting Type :

Surface Mount

Maximum Operating Temperature :

+85 °C

Length :

7.1mm

Device Core :

AVR

RoHS Status :

ROHS3 Compliant

DAC Channels :

No

Number of UART Channels :

2

Integrated Cache :

No

Package Type :

VQFN

Number of Programmable I/O :

32

Format :

FIXED-POINT

Product :

MCU

Number of I/O Lines :

32

Data Converters :

A/D 8x10b

Has ADC :

yes

Family Name :

ATMEGA

Interface Type :

2-Wire, SPI, USART

Dimensions :

7.1 x 7.1 x 0.95mm

Package :

Tray

Manufacturer :

Microchip

Number of Serial I/Os :

2

RAM (words) :

4096

Series :

AVR® ATmega

Minimum Operating Temperature :

-40 °C

Product Type :

8-bit Microcontrollers - MCU

Oscillator Type :

Internal

Max Supply Voltage :

5.5 V

Program Memory Size :

64KB 32K x 16

Core Architecture :

AVR

Boundary Scan :

yes

Max Operating Temperature :

85 °C

Core Size :

8-Bit

CPU Family :

AVR RISC

Connectivity :

I2C, SPI, UART/USART

Product Status :

Active

RAM Size :

4K x 8

Base Product Number :

ATMEGA644

Width :

7.1mm

On Chip Data RAM Width :

8

On Chip Program ROM Width :

16

Product Category :

8-bit Microcontrollers - MCU

Package / Case :

44-VFQFN Exposed Pad

Schedule B :

8542310000

Memory Type :

Flash

Number of ADC Channels :

8

Data Converter :

A/D 8x10b

Height :

950μm

Number of Timers/Counters :

3 Timer

Factory Lead Time :

7 Weeks

Interface :

I2C, SPI, UART, USART

JESD-30 Code :

S-PQCC-N44

EEPROM Size :

2K x 8

Number of External Interrupts :

3

Mount :

Surface Mount

Data Bus Width :

8B

Terminal Position :

QUAD

Number of I/Os :

32 I/O

Tradename :

AVR

Low Power Mode :

yes

Program Memory Type :

Flash

Reach Compliance Code :

Compliant

Supply Current-Max :

9 mA

Brand :

Microchip Technology / Atmel

Number of I/O :

32

Contact Plating :

Tin

Radiation Hardening :

No

Max Frequency :

20 MHz

uPs/uCs/Peripheral ICs Type :

MICROCONTROLLER, RISC

RAM (bytes) :

4096

REACH SVHC :

No SVHC

Watchdog Timer :

yes

Number of PWM Channels :

6

Mounting Style :

SMD/SMT

Memory Size :

64KB

Instruction Set Architecture :

RISC

PWM Channels :

yes

RoHS :

Details

Seated Height-Max :

1 mm

MSL :

MSL 3 - 168 hours

Bit Size :

8

Typical Operating Supply Voltage :

1.8 → 5.5 V

Voltage - Supply (Vcc/Vdd) :

1.8V~5.5V

Core Processor :

AVR

Number of Timers :

3

Speed :

20MHz

Number of I2C Channels :

1

Pbfree Code :

yes

Pin Count :

44

Qualification Status :

Not Qualified

ROM (words) :

32768

Terminal Form :

NO LEAD