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ATMEGA644PA-MUR

ATMEGA644PA-MUR

ATMEGA644PA-MUR

Microchip Technology

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

SOT-23

ATMEGA644PA-MUR 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-VFQFN Exposed Pad
Surface MountYES
Number of Pins 44
Supplier Device Package 44-VQFN (7x7)
Number of Terminals 44
Mounting Style SMD/SMT
Interfaces SPI/USART
Data Converters A/D 8x10b
Qualification -
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~85°C TA
PackagingTape & Reel (TR)
Series AVR® ATmega
Published 2008
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
Terminal Finish Matte Tin (Sn)
Terminal Position QUAD
Terminal FormNO LEAD
Peak Reflow Temperature (Cel) 260
Terminal Pitch0.5mm
Reach Compliance Code compliant
Frequency 20MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATMEGA644PA
JESD-30 Code S-PQCC-N44
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies2/5V
Temperature GradeINDUSTRIAL
Supply Voltage-Min (Vsup) 1.8V
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 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 7mm
Height Seated (Max) 1mm
Width 7 mm
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:958 items

Pricing & Ordering

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ATMEGA644PA-MUR Product Details

ATMEGA644PA-MUR Overview


The package has a 44-VFQFN Exposed Pad shape. With 32 I/Os, it's pretty good. The Microcontroller's mounting type is Surface Mount and this IC chip has the following features. As the name implies, this Microcontroller is based on the 8-Bit core. As far as its program memory type is concerned, it is FLASH. Temperatures within -40°C~85°C TA range are measured by this Microcontroller. The AVR® ATmega series is comprised of this electrical component. The electronic part has a program memory size of 64KB 32K x 16. There's a AVR Core Processor inside. The IC chip fits into the MICROCONTROLLER, RISC uPs/uCs/Peripheral ICs category. There are 44 terminations on the IC chip. 8-bits are the size of the data that comes with MCU. In addition to that, MCU chip has NO DMA channels. Its memory size is 64kB. It is possible to find alternatives to the base part number ATMEGA644PA by using the part number search tool. An effective performance can be achieved at a frequency of 20MHz. There are a total of YES channels in the device. It is possible to access the 44 pins on the chip. In total, it has 3 timers and counters in it. There are several CPUs that are embedded in the device, including the the AVR RISC CPU. It is designed with 2 serial inputs and outputs (I/Os). As part of the part, there are 3 external interrupts that can be used. A IC chip with 3 bits has 3 bits in total.

ATMEGA644PA-MUR Features


44-VFQFN Exposed Pad package
Mounting type of Surface Mount


ATMEGA644PA-MUR Applications


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


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

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