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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersATMEGA644P-20AQ
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ATMEGA644P-20AQ - Microchip Technology

Manufacturer Part Number
ATMEGA644P-20AQ
Manufacturer
Microchip Technology
Allelco Part Number
32D-ATMEGA644P-20AQ
ECAD Model
Parts Description
IC MCU 8BIT 64KB FLASH 44TQFP
Detailed Description
Package
44-TQFP
Data sheet
ATmega164_324_644P/V Appendix.pdf
ATmega164_324_644P/V Datasheet.pdf
ATmega644P/V Summary.pdf
RoHs Status
ROHS3 Compliant
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Specifications

ATMEGA644P-20AQ Tech Specifications
Microchip Technology - ATMEGA644P-20AQ technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - ATMEGA644P-20AQ

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V  
Supplier Device Package 44-TQFP (10x10)  
Speed 20MHz  
Series AVR® ATmega  
RAM Size 4K x 8  
Program Memory Type FLASH  
Program Memory Size 64KB (32K x 16)  
Peripherals Brown-out Detect/Reset, POR, PWM, WDT  
Package / Case 44-TQFP  
Package Tray  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 105°C (TA)  
Number of I/O 32  
Mounting Type Surface Mount  
EEPROM Size 2K x 8  
Data Converters A/D 8x10b  
Core Size 8-Bit  
Core Processor AVR  
Connectivity I²C, SPI, UART/USART  
Base Product Number ATMEGA644  

Parts Introduction

Manufacturer Part Number

ATMEGA644P-20AQ

Manufacturer

Microchip Technology

Introduction

High-performance, low-power 8-bit AVR RISC-based microcontroller

Product Features and Performance

64KB FLASH program memory

4KB SRAM

2KB EEPROM

8-channel 10-bit A/D converter

Programmable USART

SPI serial interface

Brown-out detection and reset

Internal calibrated oscillator

Product Advantages

Powerful yet cost-effective microcontroller solution

Versatile peripherals for diverse applications

Low power consumption for battery-powered devices

Extensive development tools and software support

Key Technical Parameters

Operating voltage: 2.7V 5.5V

Operating temperature: -40°C to 105°C

Speed: 20MHz

32 programmable I/O lines

Quality and Safety Features

ROHS3 compliant

Reliable operation with brown-out detection and reset

Compatibility

Compatible with the AVR ATmega series

Application Areas

Embedded systems

Industrial automation

Sensor and control applications

Consumer electronics

Product Lifecycle

Actively supported and available for purchase

Replacements and upgrades within the AVR ATmega series are available

Key Reasons to Choose This Product

High-performance 8-bit microcontroller with extensive peripheral set

Low power consumption and wide operating temperature range

Robust design with quality and safety features

Extensive development tools and software ecosystem

Cost-effective solution for a variety of embedded applications

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology ATMEGA644P-20AQ

Product Attribute ATMEGA644P-20AQ ATMEGA644P-15MT1 ATMEGA644P-20AU ATMEGA644P-20MU
Part Number ATMEGA644P-20AQ ATMEGA644P-15MT1 ATMEGA644P-20AU ATMEGA644P-20MU
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Program Memory Size 64KB (32K x 16) 64KB (32K x 16) 64KB (32K x 16) 64KB (32K x 16)
Core Size 8-Bit 8-Bit 8-Bit 8-Bit
Speed 20MHz 16MHz 20MHz 20MHz
Package / Case 44-TQFP 44-VFQFN Exposed Pad 44-TQFP 44-VFQFN Exposed Pad
Connectivity I²C, SPI, UART/USART I²C, SPI, UART/USART I²C, SPI, UART/USART I²C, SPI, UART/USART
Core Processor AVR AVR AVR AVR
Series AVR® ATmega Automotive, AEC-Q100, AVR® ATmega AVR® ATmega AVR® ATmega
Supplier Device Package 44-TQFP (10x10) 44-VQFN (7x7) 44-TQFP (10x10) 44-VQFN (7x7)
Number of I/O 32 32 32 32
Data Converters A/D 8x10b A/D 8x10b A/D 8x10b A/D 8x10b
Peripherals Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
EEPROM Size 2K x 8 2K x 8 2K x 8 2K x 8
RAM Size 4K x 8 4K x 8 4K x 8 4K x 8
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V
Base Product Number ATMEGA644 ATMEGA644 ATMEGA644 ATMEGA644
Program Memory Type FLASH FLASH FLASH FLASH
Package Tray Tape & Reel (TR) Tray Tray
Oscillator Type Internal Internal Internal Internal
Operating Temperature -40°C ~ 105°C (TA) -40°C ~ 105°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)

ATMEGA644P-20AQ Datasheet PDF

Download ATMEGA644P-20AQ pdf datasheets and Microchip Technology documentation for ATMEGA644P-20AQ - Microchip Technology.

Datasheets
ATmega164_324_644P/V Appendix.pdf
PCN Packaging
Transfer to Microchip/Label/Pkg 5/Sep/2016.pdf Boxes 07/Dec/2016.pdf
PCN Design/Specification
Marking Chgs 11/Jul/2017.pdf ATMEGA Datasheet 12/Dec/2018.pdf
HTML Datasheet
ATmega164_324_644P/V Datasheet.pdf ATmega644P/V Summary.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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ATMEGA644P-20AQ Image

ATMEGA644P-20AQ

Microchip Technology
32D-ATMEGA644P-20AQ

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