ATMEGA644-20MU

Manufacturer :

Atmel (Microchip Technology)

Product Category :

Microcontrollers

PWM Channels :

yes

Published :

1997

Max Frequency :

20 MHz

Lifecycle Status :

Production (Last Updated: 2 years ago)

Number of I/O Lines :

32

Number of Terminations :

44

Min Supply Voltage :

2.7 V

RoHS :

Compliant

uPs/uCs/Peripheral ICs Type :

MICROCONTROLLER, RISC

Watchdog Timer :

yes

Speed :

20MHz

Oscillator Type :

Internal

RoHS Status :

ROHS3 Compliant

Supply Voltage-Min (Vsup) :

4.5V

Package Shape :

Square

Power Supplies :

3/5 V

Mount :

Surface Mount

Core Processor :

AVR

Product Type :

8-bit Microcontrollers - MCU

Access Time :

20 μs

Number of Pins :

44

Time@Peak Reflow Temperature-Max (s) :

40

JESD-609 Code :

e3

Temperature Grade :

Industrial

Packaging :

Tray

Schedule B :

8542310000, 8542310000/8542310000/8542310000/8542310000/8542310000

RAM (bytes) :

4096

Series :

AVR® ATmega

Operating Temperature :

-40°C~85°C TA

Mounting Type :

Surface Mount

Terminal Position :

QUAD

Mounting Style :

SMD/SMT

Brand :

Microchip Technology

Height :

0.88 mm

Voltage - Supply (Vcc/Vdd) :

2.7V~5.5V

Data Bus Width :

8B

Reach Compliance Code :

Compliant

Package :

Tray

Terminal Finish :

Matte Tin (Sn)

Max Operating Temperature :

85 °C

DAC Resolution :

-

Number of Timers/Counters :

3

Interfaces :

SPI/USART

Pbfree Code :

yes

Memory Type :

Flash

ROM Programmability :

Flash

Product Status :

Active

Min Operating Temperature :

-40 °C

DMA Channels :

No

Peripherals :

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

MSL :

MSL 3 - 168 hours

CPU Family :

AVR RISC

Product :

MCU

Tradename :

AVR

Manufacturer :

Microchip

Number of Terminals :

44

Data Converter :

A/D 8x10b

Height Seated (Max) :

1mm

Connectivity :

I2C, SPI, UART/USART

Supply Voltage-Max (Vsup) :

5.5V

Minimum Operating Temperature :

- 40 C

Supply Voltage :

5V

Memory Size :

64KB

Number of I/O :

32

Lead Free :

Lead Free

Interface Type :

I2C, SPI, USART

Terminal Pitch :

0.5mm

Has ADC :

yes

RAM Size :

4K x 8

Interface :

2-Wire, I2C, SPI, UART, USART

Device Core :

AVR

Number of Programmable I/O :

32

Max Supply Voltage :

5.5 V

Factory Lead Time :

7 Weeks

Bit Size :

8

Base Part Number :

ATMEGA644

Qualification :

-

Additional Feature :

ALSO OPERATES AT 2.7V SUPPLY AT 10 MHZ

Program Memory Type :

Flash

Surface Mount :

yes

Contact Plating :

Tin

Radiation Hardening :

No

Number of I/Os :

32

Maximum Operating Temperature :

+ 85 C

Package / Case :

44-VFQFN Exposed Pad

Data Converters :

A/D 8x10b

Qualification Status :

Not Qualified

Supply Current-Max :

9 mA

Supplier Device Package :

44-VQFN (7x7)

REACH SVHC :

No SVHC

Peak Reflow Temperature (Cel) :

260

ROM (words) :

32768

Product Category :

8-bit Microcontrollers - MCU

EEPROM Size :

2K x 8

Core Size :

8-Bit

Width :

7 mm

Frequency :

20MHz

JESD-30 Code :

S-XQCC-N44

Core Architecture :

AVR

Moisture Sensitivity Level (MSL) :

3 (168 Hours)

Seated Height-Max :

1 mm

Terminal Form :

NO LEAD

Program Memory Size :

64KB 32K x 16

Number of ADC Channels :

8 Channel

Length :

7mm

Base Product Number :

ATMEGA644

DAC Channels :

No