ATMEGA644-20PU

Manufacturer :

Microchip Technology

Product Category :

Microcontrollers

Max Supply Voltage :

5.5 V

Device Core :

AVR

Package Type :

PDIP

Dimensions :

52.57 x 13.97 x 4.44mm

Data Bus Width :

8B

Voltage - Supply (Vcc/Vdd) :

2.7V~5.5V

Number of Terminations :

40

Number of Pins :

40

Radiation Hardening :

No

Product Type :

8-bit Microcontrollers - MCU

Base Part Number :

ATMEGA644

Seated Height-Max :

4.826 mm

Base Product Number :

ATMEGA644

Length :

52.58mm

Terminal Form :

THROUGH-HOLE

Packaging :

Tube

ROM (words) :

32768

Tradename :

AVR

Contact Plating :

Tin

Series :

AVR® ATmega

Access Time :

20 μs

Mount :

Through Hole

Data Converter :

A/D 8x10b

Qualification :

-

Peak Reflow Temperature (Cel) :

Not Applicable

Product :

MCU

Interface :

2-Wire, I2C, SPI, UART, USART

DAC Channels :

No

Supplier Device Package :

40-PDIP

Number of I/O :

32

Data Converters :

A/D 8x10b

Minimum Operating Temperature :

-40 °C

Peripherals :

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

Pin Count :

40

Lead Free :

Lead Free

Core Architecture :

AVR

Supply Current-Max :

9 mA

Published :

1997

Program Memory Size :

64KB 32K x 16

Product Status :

Active

Family Name :

ATMEGA

Supply Voltage :

5V

Moisture Sensitivity Level (MSL) :

Not Applicable

RoHS :

Details

PWM Channels :

yes

Number of ADC Channels :

8

Interface Type :

I2C, SPI, USART

Mounting Style :

Through Hole

Min Operating Temperature :

-40 °C

Pbfree Code :

yes

Supply Voltage-Min (Vsup) :

4.5V

Package / Case :

40-DIP (0.600, 15.24mm)

Core Size :

8-Bit

Terminal Pitch :

2.54mm

Memory Type :

Flash

Number of Timers/Counters :

3

Manufacturer :

Microchip

Min Supply Voltage :

2.7 V

Number of I2C Channels :

1

Interfaces :

SPI/USART

Program Memory Type :

Flash

Number of Terminals :

40

Terminal Finish :

Matte Tin (Sn)

Power Supplies :

3/5 V

Qualification Status :

Not Qualified

REACH SVHC :

No SVHC

Surface Mount :

No

Max Frequency :

20 MHz

Lifecycle Status :

Production (Last Updated: 2 years ago)

RAM Size :

4K x 8

Oscillator Type :

Internal

EEPROM Size :

2K x 8

Product Category :

8-bit Microcontrollers - MCU

Has ADC :

yes

Schedule B :

8542310000

DMA Channels :

No

RoHS Status :

ROHS3 Compliant

JESD-30 Code :

R-PDIP-T40

ROM Programmability :

Flash

Brand :

Microchip Technology / Atmel

RAM (bytes) :

4096

MSL :

-

Width :

13.97mm

Typical Operating Supply Voltage :

2.7 → 5.5 V

Number of I/Os :

32 I/O

Temperature Grade :

Industrial

Number of I/O Lines :

32

CPU Family :

AVR RISC

Number of SPI Channels :

1

Reach Compliance Code :

Compliant

Connectivity :

I2C, SPI, UART/USART

Package :

Tube

Core Processor :

AVR

Supply Voltage-Max (Vsup) :

5.5V

Speed :

20MHz

JESD-609 Code :

e3

Max Operating Temperature :

85 °C

Frequency :

20MHz

Operating Temperature :

-40°C~85°C TA

Factory Lead Time :

12 Weeks

Mounting Type :

Through Hole

Number of PWM Channels :

6

Package Shape :

RECTANGULAR

Terminal Position :

Dual

Height :

4.826mm

Instruction Set Architecture :

RISC

DAC Resolution :

-

Watchdog Timer :

yes

Memory Size :

64KB

Number of Programmable I/O :

32

Additional Feature :

ALSO OPERATES AT 2.7V SUPPLY AT 10 MHZ

Maximum Operating Temperature :

+85 °C

uPs/uCs/Peripheral ICs Type :

MICROCONTROLLER, RISC

Bit Size :

8