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ATMEGA644PA-ANR

ATMEGA644PA-ANR

ATMEGA644PA-ANR

Microchip Technology

64KB 32K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATmega Series ATMEGA644PA 44 Pin 20MHz 44-TQFP

SOT-23

ATMEGA644PA-ANR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 7 Weeks
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-TQFP
Surface MountYES
Number of Pins 44
Supplier Device Package 44-TQFP (10x10)
Number of Terminals 44
Mounting Style SMD/SMT
Interfaces I2C/SPI/USART
Data Converters A/D 8x10b
Manufacturer Microchip
Brand Microchip Technology
Tradename AVR
RoHS Details
Package Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;
Base Product Number ATMEGA644
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Number of I/O Lines 32
Operating Temperature-40°C~105°C TA
PackagingTape & Reel (TR)
Series AVR® ATmega
Published 2008
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
Subcategory Microcontrollers - MCU
Terminal Position QUAD
Terminal FormGULL WING
Peak Reflow Temperature (Cel) NOT SPECIFIED
Terminal Pitch0.8mm
Reach Compliance Code compliant
Frequency 20MHz
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Base Part Number ATMEGA644PA
JESD-30 Code S-PQFP-G44
Operating Supply Voltage5V
Temperature GradeINDUSTRIAL
Interface I2C, SPI, UART, USART
Memory Size64kB
Oscillator TypeInternal
Number of I/O 32
Speed 20MHz
RAM Size 4K x 8
Voltage - Supply (Vcc/Vdd) 1.8V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor AVR
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Program Memory TypeFLASH
Core Size 8-Bit
Program Memory Size 64KB 32K x 16
Connectivity I2C, SPI, UART/USART
Supply Current-Max 9 mA
Bit Size 8
Data Converter A/D 8x10b
Watchdog TimerYes
Has ADC YES
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels NO
Seated Height-Max 1.2 mm
Number of Timers/Counters 3
Product Type8-bit Microcontrollers - MCU
ROM (words) 32768
EEPROM Size 2K x 8
On Chip Program ROM Width 16
CPU Family AVR RISC
Boundary Scan YES
Low Power Mode YES
Format FIXED-POINT
Integrated Cache NO
RAM (words) 4096
RAM (bytes) 4096
Number of Serial I/Os 2
Number of Timers 3
ROM Programmability FLASH
Number of External Interrupts 3
On Chip Data RAM Width 8
Product MCU
Product Category8-bit Microcontrollers - MCU
Device CoreAVR
Length 10mm
Height Seated (Max) 1.2mm
Width 10 mm
RoHS StatusROHS3 Compliant
In-Stock:977 items

Pricing & Ordering

QuantityUnit PriceExt. Price

ATMEGA644PA-ANR Product Details

ATMEGA644PA-ANR Overview


There is a 44-TQFP package available. The board has 32 I/Os. Using the Mounting Type Surface Mount, the MCU is mounted on PCB. A 8-Bit core is used in order to power the IC chip. The type of memory it uses for its program is FLASH. -40°C~105°C TA is the temperature range at which this Microcontroller operates. AVR® ATmega-series components are electrical components. In the case of this Microcontroller, the memory size of the program is 64KB 32K x 16. Powered by a AVR Core processor. Microcontroller's a MICROCONTROLLER, RISC uPs/uCs/Peripheral IC. IC Chip terminations are 44. As a result, this Microcontroller comes with a 8-bit size. A total of NO DMA channels are available. This IC part has a memory size of 64kB. There are a number of alternatives to the base part number ATMEGA644PA that you can find. Performing well when operated at frequency 20MHz can be achieved. Using YES PWM channels, the device works. On the chip, there are 44 pins that can be accessed. It comes with 3 timers/counters that can be set up. The device is powered by the the AVR RISC CPU family that is embedded in it. It contains 2 serial input/output interfaces on the board. The part contains 3 interrupts external to the system. The total number of bits on a MCU chip is 3.

ATMEGA644PA-ANR Features


44-TQFP package
Mounting type of Surface Mount
Microcontrollers - MCU subcategory


ATMEGA644PA-ANR Applications


There are a lot of Microchip Technology
ATMEGA644PA-ANR Microcontroller applications.


  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine

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