ATMEGA644P-20AU

Manufacturer :

Microchip Technology

Product Category :

Microcontrollers

Supply Voltage-Max (Vsup) :

5.5V

Lead Free :

Lead Free

DAC Channels :

No

Supply Voltage-Min (Vsup) :

4.5V

Additional Feature :

IT ALSO OPERATES AT 10 MHZ WITH THE 2.7 V

Product Category :

8-bit Microcontrollers - MCU

Watchdog Timer :

yes

Operating Temperature :

-40°C~85°C TA

Access Time :

20 μs

Number of I2C Channels :

1

Address Bus Width :

8B

Product Type :

8-bit Microcontrollers - MCU

ROM Programmability :

Flash

Number of Programmable I/O :

32

Data Converters :

A/D 8x10b

Height :

1.05mm

Program Memory Type :

Flash

Radiation Hardening :

No

Seated Height-Max :

1.2 mm

Moisture Sensitivity Level (MSL) :

3 (168 Hours)

Frequency :

20MHz

Maximum Operating Temperature :

+85 °C

Min Operating Temperature :

-40 °C

Number of PWM Channels :

6

Number of Terminations :

44

Max Supply Voltage :

5.5 V

Number of Terminals :

44

Bit Size :

8

Core Processor :

AVR

Manufacturer :

Microchip

Memory Size :

64KB

Terminal Form :

Gull wing

RoHS :

Details

Product :

MCU

Number of Timers/Counters :

3

Number of I/O :

32

Typical Operating Supply Voltage :

2.7 → 5.5 V

Time@Peak Reflow Temperature-Max (s) :

40

CPU Family :

AVR RISC

Package Shape :

Square

Dimensions :

10.1 x 10.1 x 1.05mm

Lifecycle Status :

Production (Last Updated: 2 years ago)

Connectivity :

I2C, SPI, UART/USART

Mounting Type :

Surface Mount

Length :

10.1mm

Pbfree Code :

yes

Series :

AVR® ATmega

Base Product Number :

ATMEGA644

Product Status :

Active

Oscillator Type :

Internal

Number of I/O Lines :

32

Number of Bits :

8

Terminal Pitch :

0.8 mm

Factory Lead Time :

7 Weeks

Temperature Grade :

Industrial

Interface :

2-Wire, I2C, SPI, UART, USART

Power Supplies :

3/5 V

Data Converter :

A/D 8x10b

Surface Mount :

yes

Number of Pins :

44

Instruction Set Architecture :

RISC

Reach Compliance Code :

Compliant

Interface Type :

2-Wire, SPI, UART

Package Type :

TQFP

Peripherals :

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

Program Memory Size :

64KB 32K x 16

EEPROM Size :

2K x 8

DMA Channels :

No

RAM Size :

4K x 8

JESD-609 Code :

e3

Pin Count :

44

RoHS Status :

ROHS3 Compliant

Brand :

Microchip Technology / Atmel

MSL :

MSL 3 - 168 hours

Tradename :

AVR

Number of ADC Channels :

8

Contact Plating :

Tin

Core Size :

8-Bit

Supplier Device Package :

44-TQFP (10x10)

Data Bus Width :

8B

Family Name :

ATMEGA

Max Frequency :

20 MHz

Speed :

20MHz

Number of I/Os :

32 I/O

Schedule B :

8542310000

Mount :

Surface Mount

Base Part Number :

ATMEGA644P

Published :

1997

Peak Reflow Temperature (Cel) :

260

RAM (bytes) :

4096

Minimum Operating Temperature :

-40 °C

Width :

10.1mm

Package :

Tray

Core Architecture :

AVR

Device Core :

AVR

Min Supply Voltage :

2.7 V

Has ADC :

yes

Terminal Position :

QUAD

Interfaces :

I2C, SPI, UART

Density :

512 kb

Max Operating Temperature :

85 °C

JESD-30 Code :

S-PQFP-G44

Supply Voltage :

5V

Memory Type :

EEPROM, FLASH

Number of SPI Channels :

1

Qualification :

-

Mounting Style :

SMD/SMT

Supply Current-Max :

9 mA

uPs/uCs/Peripheral ICs Type :

MICROCONTROLLER, RISC

PWM Channels :

yes

REACH SVHC :

No SVHC

Voltage - Supply (Vcc/Vdd) :

2.7V~5.5V

Terminal Finish :

Matte Tin (Sn)

ROM (words) :

32768

Packaging :

Tray

Package / Case :

44-TQFP

Qualification Status :

Not Qualified