ATMEGA644-20MU

Manufacturer :

Atmel (Microchip Technology)

Product Category :

Microcontrollers

Seated Height-Max :

1 mm

Program Memory Size :

64KB 32K x 16

Number of Pins :

44

Max Supply Voltage :

5.5 V

JESD-30 Code :

S-XQCC-N44

Terminal Position :

QUAD

Watchdog Timer :

yes

Surface Mount :

yes

Radiation Hardening :

No

MSL :

MSL 3 - 168 hours

RoHS Status :

ROHS3 Compliant

Qualification :

-

Mounting Style :

SMD/SMT

Frequency :

20MHz

Tradename :

AVR

Supply Current-Max :

9 mA

Length :

7mm

Qualification Status :

Not Qualified

DAC Resolution :

-

Device Core :

AVR

Series :

AVR® ATmega

Number of Timers/Counters :

3

Base Part Number :

ATMEGA644

CPU Family :

AVR RISC

Number of Terminals :

44

Height Seated (Max) :

1mm

Terminal Pitch :

0.5mm

PWM Channels :

yes

Time@Peak Reflow Temperature-Max (s) :

40

Access Time :

20 μs

Program Memory Type :

Flash

Number of I/Os :

32

Supply Voltage :

5V

Supply Voltage-Min (Vsup) :

4.5V

Contact Plating :

Tin

Mount :

Surface Mount

JESD-609 Code :

e3

Product Status :

Active

Peripherals :

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

Lead Free :

Lead Free

Minimum Operating Temperature :

- 40 C

DAC Channels :

No

Manufacturer :

Microchip

uPs/uCs/Peripheral ICs Type :

MICROCONTROLLER, RISC

Lifecycle Status :

Production (Last Updated: 2 years ago)

Speed :

20MHz

Brand :

Microchip Technology

Mounting Type :

Surface Mount

RAM Size :

4K x 8

RAM (bytes) :

4096

Supplier Device Package :

44-VQFN (7x7)

Terminal Finish :

Matte Tin (Sn)

Product :

MCU

Terminal Form :

NO LEAD

Max Frequency :

20 MHz

EEPROM Size :

2K x 8

Interface :

2-Wire, I2C, SPI, UART, USART

Number of I/O :

32

Core Size :

8-Bit

Number of I/O Lines :

32

ROM Programmability :

Flash

Bit Size :

8

Interface Type :

I2C, SPI, USART

Voltage - Supply (Vcc/Vdd) :

2.7V~5.5V

Operating Temperature :

-40°C~85°C TA

Number of Terminations :

44

Temperature Grade :

Industrial

Base Product Number :

ATMEGA644

Memory Type :

Flash

Data Bus Width :

8B

Product Category :

8-bit Microcontrollers - MCU

Package Shape :

Square

Min Operating Temperature :

-40 °C

Moisture Sensitivity Level (MSL) :

3 (168 Hours)

Packaging :

Tray

Oscillator Type :

Internal

Schedule B :

8542310000, 8542310000/8542310000/8542310000/8542310000/8542310000

ROM (words) :

32768

Data Converters :

A/D 8x10b

REACH SVHC :

No SVHC

Has ADC :

yes

Number of ADC Channels :

8 Channel

Pbfree Code :

yes

Width :

7 mm

Package / Case :

44-VFQFN Exposed Pad

Power Supplies :

3/5 V

Data Converter :

A/D 8x10b

Supply Voltage-Max (Vsup) :

5.5V

Max Operating Temperature :

85 °C

Core Processor :

AVR

Memory Size :

64KB

Published :

1997

DMA Channels :

No

Number of Programmable I/O :

32

Height :

0.88 mm

Reach Compliance Code :

Compliant

Interfaces :

SPI/USART

Factory Lead Time :

7 Weeks

Core Architecture :

AVR

Product Type :

8-bit Microcontrollers - MCU

Peak Reflow Temperature (Cel) :

260

Maximum Operating Temperature :

+ 85 C

Additional Feature :

ALSO OPERATES AT 2.7V SUPPLY AT 10 MHZ

RoHS :

Compliant

Min Supply Voltage :

2.7 V

Connectivity :

I2C, SPI, UART/USART

Package :

Tray