ATMEGA644-20MU

Manufacturer :

Atmel (Microchip Technology)

Product Category :

Microcontrollers

Voltage - Supply (Vcc/Vdd) :

2.7V~5.5V

Max Operating Temperature :

85 °C

DAC Resolution :

-

Number of I/O :

32

Max Supply Voltage :

5.5 V

Number of Pins :

44

Access Time :

20 μs

Surface Mount :

yes

Number of Timers/Counters :

3

Packaging :

Tray

Width :

7 mm

PWM Channels :

yes

Peripherals :

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

RAM Size :

4K x 8

Watchdog Timer :

yes

Frequency :

20MHz

REACH SVHC :

No SVHC

Terminal Position :

QUAD

Program Memory Size :

64KB 32K x 16

Number of I/O Lines :

32

Number of Terminals :

44

RoHS Status :

ROHS3 Compliant

Data Bus Width :

8B

RoHS :

Compliant

Data Converters :

A/D 8x10b

Mount :

Surface Mount

Length :

7mm

Oscillator Type :

Internal

Interface Type :

I2C, SPI, USART

Moisture Sensitivity Level (MSL) :

3 (168 Hours)

Peak Reflow Temperature (Cel) :

260

Product :

MCU

Supply Voltage-Min (Vsup) :

4.5V

Terminal Pitch :

0.5mm

Temperature Grade :

Industrial

Height :

0.88 mm

Factory Lead Time :

7 Weeks

Radiation Hardening :

No

Tradename :

AVR

Lead Free :

Lead Free

Interface :

2-Wire, I2C, SPI, UART, USART

Operating Temperature :

-40°C~85°C TA

RAM (bytes) :

4096

Qualification :

-

Additional Feature :

ALSO OPERATES AT 2.7V SUPPLY AT 10 MHZ

Product Category :

8-bit Microcontrollers - MCU

Power Supplies :

3/5 V

Supply Voltage :

5V

Connectivity :

I2C, SPI, UART/USART

Number of Terminations :

44

Reach Compliance Code :

Compliant

Device Core :

AVR

Series :

AVR® ATmega

JESD-30 Code :

S-XQCC-N44

Has ADC :

yes

Height Seated (Max) :

1mm

Supply Current-Max :

9 mA

uPs/uCs/Peripheral ICs Type :

MICROCONTROLLER, RISC

Program Memory Type :

Flash

Base Part Number :

ATMEGA644

CPU Family :

AVR RISC

Minimum Operating Temperature :

- 40 C

Maximum Operating Temperature :

+ 85 C

Interfaces :

SPI/USART

Speed :

20MHz

Number of I/Os :

32

Max Frequency :

20 MHz

Schedule B :

8542310000, 8542310000/8542310000/8542310000/8542310000/8542310000

Package / Case :

44-VFQFN Exposed Pad

Core Architecture :

AVR

Number of ADC Channels :

8 Channel

Manufacturer :

Microchip

Product Type :

8-bit Microcontrollers - MCU

Package Shape :

Square

ROM (words) :

32768

Contact Plating :

Tin

Core Processor :

AVR

EEPROM Size :

2K x 8

Base Product Number :

ATMEGA644

Pbfree Code :

yes

Mounting Type :

Surface Mount

JESD-609 Code :

e3

Supply Voltage-Max (Vsup) :

5.5V

Terminal Finish :

Matte Tin (Sn)

Lifecycle Status :

Production (Last Updated: 2 years ago)

Package :

Tray

Number of Programmable I/O :

32

Terminal Form :

NO LEAD

MSL :

MSL 3 - 168 hours

DAC Channels :

No

Min Supply Voltage :

2.7 V

Product Status :

Active

Mounting Style :

SMD/SMT

Qualification Status :

Not Qualified

ROM Programmability :

Flash

Memory Size :

64KB

Time@Peak Reflow Temperature-Max (s) :

40

Memory Type :

Flash

Core Size :

8-Bit

Min Operating Temperature :

-40 °C

Data Converter :

A/D 8x10b

Seated Height-Max :

1 mm

Bit Size :

8

Supplier Device Package :

44-VQFN (7x7)

Published :

1997

DMA Channels :

No

Brand :

Microchip Technology