ATMEGA644A-AU - Microchip Technology - Price, Inventory & Datasheets | Heisener.com
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ATMEGA644A-AU

ATMEGA644A-AU

ATMEGA644A-AU

For Reference Only

Part Number

ATMEGA644A-AU

Manufacturer

Microchip Technology

Description

IC MCU 8BIT 64KB FLASH 44TQFP

Package

44-TQFP

ECAD

In Stock

19,032 piece(s)

Unit Price

$ 6.2231 *

Lead Time

To be Confirmed

Estimated Delivery Time

Feb 5 - Feb 10 ( Choose Expedited Shipping)

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Payment Methods
Delivery Services

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ATMEGA644A-AU

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Certified Quality

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Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO 9001 ISO 14001 DUNS Registered Award 1 Award 3 Award 5 Award 4 Special Dealer Enterprises Reference 1 Reference 2 Nation Certificate
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Do you have any question about ATMEGA644A-AU?

Part Number # ATMEGA644A-AU (Embedded - Microcontrollers) is manufactured by Microchip Technologyand distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For ATMEGA644A-AUspecifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add ATMEGA644A-AU with quantity into BOM. Heisener.com does NOT require any registration to request a quote of ATMEGA644A-AU.

ATMEGA644A-AU Specifications

Manufacturer Microchip Technology
Category Integrated Circuits (ICs) - Embedded - Microcontrollers
Package 44-TQFP
ECAD Technical cover
Series AVR? ATmega
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 32
Program Memory Size 64KB (32K x 16)
Program Memory Type FLASH
EEPROM Size 2K x 8
RAM Size 4K x 8
Voltage - Supply (Vcc/Vdd) 1.8 V ~ 5.5 V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type -
Package / Case 44-TQFP
Supplier Device Package 44-TQFP (10x10)

ATMEGA644A-AU Datasheet

ATMEGA644A-AU Reviews

Jan*****arvey

March 30, 2023

Very fast reply, professional seller and received the correct parts.

Isab*****Larsen

March 26, 2023

Good service, and great value for money I am pleased with the item of ATMEGA644A-AU.

Aad***** Rai

March 17, 2023

FAST POSTING TOP CONDITION RECORD HAVE A GREAT CHRISTMAS

Aria*****ttman

March 16, 2023

Incredible fast delivery,All super OK. Thanks

Juan*****rillo

March 14, 2023

Works great with an older drive in a newer computer.have not encountered any problems, Glad somebody is making these for all the older equipment.

Lya***** Hahn

March 4, 2023

Always meet my expectations with order and questions.

Hail*****ecker

March 1, 2023

Good quality, buy back and then use, with the newly bought hard disk, very stable, at any time you can check things, not occupy space, very convenient.

Pau*****Sur

February 19, 2023

The capacitors were exactly the ones I wanted. Perfect fit.

Raid*****rora

February 18, 2023

Great service as always from this supplier. Already bought many times

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ATMEGA644A-AU FAQ

1. How to order ATMEGA644A-AU on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market,
and our agent will prompt you to finish the order if you accept our offers.

2. How does Heisener guarantee that ATMEGA644A-AU is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test theATMEGA644A-AU. All suppliers must pass our qualification reviews before they can publish their products including ATMEGA644A-AU on Heisener;we pay more attention to the channels and quality of ATMEGA644A-AUproducts than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the ATMEGA644A-AU price and inventory displayed accurate?

The price and inventory of ATMEGA644A-AU fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.
Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.
Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.
Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6.What is the process for return or replacement of ATMEGA644A-AU?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the ATMEGA644A-AU we delivered, we will accept the replacement or return of the ATMEGA644A-AU only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery ofATMEGA644A-AU.
(3)The PartNo is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations

7.How to contact us to get technical supports, such as ATMEGA644A-AU pin diagram, ATMEGA644A-AU datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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ATMEGA644A-AU Guarantees

Service Guarantee

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantee

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

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Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number Manufacturer Description Stock

ATMEGA644A-AU

D# V99:2348_07151049

Microchip Technology Inc

MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP Tray

RoHS: Compliant
0

ATMEGA644A-AUR

D# V72:2272_07147036

Microchip Technology Inc

MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP T/R

RoHS: Compliant
0
Part Number Manufacturer Description Stock

ATMEGA644A-AUR

D# ATMEGA644A-AUR

Microchip Technology Inc

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP T/R - Tape and Reel (Alt: ATMEGA644A-AUR)

0

ATMEGA644A-AU

D# ATMEGA644A-AU

Microchip Technology Inc

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP - Trays (Alt: ATMEGA644A-AU)

0
Part Number Manufacturer Description Stock

ATMEGA644A-AU

D# ATMEGA644A-AU

Microchip Technology Inc

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP (Alt: ATMEGA644A-AU)

0
Part Number Manufacturer Description Stock

ATMEGA644A-AUR

D# ATMEGA644A-AUR

Microchip Technology Inc

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP T/R (Alt: ATMEGA644A-AUR)

0

ATMEGA644A-AU

D# ATMEGA644A-AU

Microchip Technology Inc

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP (Alt: ATMEGA644A-AU)

0
Part Number Manufacturer Description Stock

ATMEGA644A-AUR

Atmel Corporation

IC MCU 8BIT 64KB FLASH 44TQFP

0

ATMEGA644A-AU

Atmel Corporation

MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44

474
Part Number Manufacturer Description Stock

ATMEGA644A-AU

D# ATMEGA644A-AU-ND

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44TQFP

40

ATMEGA644A-AUR

D# ATMEGA644A-AURCT-ND

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44TQFP

2721
Part Number Manufacturer Description Stock

ATMEGA644A-AU

Atmel Corporation

In stock shipping within 2days

1700
Part Number Manufacturer Description Stock

ATMEGA644A-AU

D# 1972104

Microchip Technology Inc

MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44

RoHS: Compliant
Min Qty: 1
Container: Each
3296

ATMEGA644A-AUR

D# 3131849

Microchip Technology Inc

MCU, 8BIT, 20MHZ, TQFP-44

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
1956
Part Number Manufacturer Description Stock

ATMEGA644A-AU

Microchip Technology Inc

ATmega Series 64 KB Flash 4 KB SRAM 20 MHz 8-Bit Microcontroller - TQFP-44

RoHS: Compliant
pbFree: Yes
72

ATMEGA644A-AUR

Microchip Technology Inc

RoHS: Compliant
pbFree: Yes
0
Part Number Manufacturer Description Stock

ATMEGA644AAUR

Atmel Corporation

OEM/CM QUOTES ONLY | NO BROKERS

4370

ATMEGA644AAU

ATMEL CORPORATION

OEM/CM QUOTES ONLY | NO BROKERS

2116
Part Number Manufacturer Description Stock

ATMEGA644A-AU

Microchip Technology Inc

AVR - ATmega - Microcontroller - IC 8 Bit - 20MHz - 64KB (32K x 16) - FLASH

RoHS: Not Compliant
71
Part Number Manufacturer Description Stock

ATMEGA644A-AU

D# ATMEGA644A-AU

Microchip Technology Inc

20 MHz TQFP Ind. Temp Green

RoHS: Compliant
pbFree: Yes
5600

ATMEGA644A-AUR

D# ATMEGA644A-AUR

Microchip Technology Inc

20 MHz TQFP Ind Temp Green T&R

RoHS: Compliant
pbFree: Yes
0
Part Number Manufacturer Description Stock

ATMEGA644A-AU

Atmel Corporation

OEM/CM Immediate delivery

1700
Part Number Manufacturer Description Stock

ATMEGA644A-AUR

D# 556-ATMEGA644A-AUR

Microchip Technology Inc

8-bit Microcontrollers - MCU 20 MHz Ind Temp

RoHS: Compliant
300
Part Number Manufacturer Description Stock

ATMEGA644A-AUR

Microchip Technology Inc

20 MHz, TQFP, Ind Temp, Green, T&R - Package: 44 TQFP 10x10x1mm T/R

RoHS: Compliant
0

ATMEGA644A-AU

Microchip Technology Inc

20 MHz, TQFP, Ind. Temp, Green - Package: 44 TQFP 10x10x1mm TRAY

RoHS: Compliant
0
Part Number Manufacturer Description Stock

ATMEGA644A-AUR

D# MCHP00000005669

Microchip Technology Inc

20 MHz, TQFP, Ind Temp, Green, T&R - Package: 44 TQFP 10x10x1mm T/R

0

ATMEGA644A-AU

D# MCHP00000005668

Microchip Technology Inc

20 MHz, TQFP, Ind. Temp, Green - Package: 44 TQFP 10x10x1mm TRAY

0
Part Number Manufacturer Description Stock

ATMEGA644A-AUR

D# 68T3100

Microchip Technology Inc

20 MHZ, TQFP, IND TEMP, GREEN, T&R, 44 TQFP 10X10X1MM T/R ROHS COMPLIANT: YES

RoHS: Compliant
Min Qty: 2000
Container: TAPE & REEL - FULL
0

ATMEGA644A-AU

D# 27AC0579

Microchip Technology Inc

20 MHZ, TQFP, IND. TEMP, GREEN ROHS COMPLIANT: YES

RoHS: Compliant
Min Qty: 160
Container: Bulk
0
Part Number Manufacturer Description Stock

ATMEGA644A-AUR

D# NS-ATMEGA644A-AUR

Atmel Corporation

OEM/CM ONLY

8871

ATMEGA644A-AU

D# NS-ATMEGA644A-AU

Atmel Corporation

OEM/CM ONLY

4990
Part Number Manufacturer Description Stock

ATMEGA644A-AU

Microchip Technology Inc

AVR - ATmega - Microcontroller - IC 8 Bit - 20MHz - 64KB (32K x 16) - FLASH

RoHS: Not Compliant
71
Part Number Manufacturer Description Stock

ATMEGA644A-AU

Atmel Corporation

ATMEGA644 - RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU

RoHS: Compliant
4
Part Number Manufacturer Description Stock

ATMEGA644AAUR

Atmel Corporation

OEM/CM ONLY

5316

ATMEGA644AAU

Atmel Corporation

OEM/CM ONLY

2736
Part Number Manufacturer Description Stock

ATMEGA644A-AU

Atmel Corporation

IN stock Immediate delivery

1715
Part Number Manufacturer Description Stock

ATMEGA644A-AUR

ATM

shipping today

996

ATMEGA644A-AU

Microchip Technology Inc

shipping today

941
Part Number Manufacturer Description Stock

ATMEGA644A-AUR

D# 25765224

Microchip Technology Inc

MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP T/R

RoHS: Compliant
0

ATMEGA644A-AU

D# 53705283

Microchip Technology Inc

MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP Tray

RoHS: Compliant
0
Part Number Manufacturer Description Stock

ATMEGA644A-AU

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44TQFP / 8-bit Microcontroller with 16/32/64/128K Bytes In-System Programmable Flash

942
Part Number Manufacturer Description Stock

ATMEGA644A-AU

D# 1972104

Microchip Technology Inc

MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44

RoHS: Compliant
Min Qty: 1
Container: Each
3301

ATMEGA644A-AUR

D# 3131849

Microchip Technology Inc

MCU, 8BIT, 20MHZ, TQFP-44

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
1751

ATMEGA644A-AU Tags

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  • Microchip Technology
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