Name: ATMEGA644A-MU
Brand: Microchip Technology
SKU: ATMEGA644A-MU
Price: 5.5169 USD
Availability: InStock
Rating: 5 (176 reviews)

ATMEGA644A-MU

For Reference Only

Part Number	ATMEGA644A-MU
Manufacturer	Microchip Technology
Description	IC MCU 8BIT 64KB FLASH 44VQFN
Datasheet	ATMEGA644A-MU Datasheet ATMEGA644A-MU Specifications
Package	44-VFQFN Exposed Pad
ECAD
In Stock	14,832 piece(s)
Unit Price	$ 5.5169 *
Lead Time	To be Confirmed
Estimated Delivery Time	May 19 - May 24 (Choose Expedited Shipping)
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Part Number # ATMEGA644A-MU (Embedded - Microcontrollers) is manufactured by Microchip Technology and 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-MU specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add ATMEGA644A-MU with quantity into BOM. Heisener.com does NOT require any registration to request a quote of ATMEGA644A-MU.

ATMEGA644A-MU Specifications

Manufacturer	Microchip Technology
Category	Integrated Circuits (ICs) - Embedded - Microcontrollers
Package	44-VFQFN Exposed Pad
ECAD
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-VFQFN Exposed Pad
Supplier Device Package	44-VQFN (7x7)

ATMEGA644A-MU Datasheet

ATMEGA644A-MU Reviews

Aust*****riggs

March 29, 2023

★ ★ ★ ★ ★

Your prices are low and your website is customer-use friendly.

Kensl*****ldwell

March 22, 2023

★ ★ ★ ★ ★

Went well this time Now have the IC and very pleased.

Kais*****egde

March 3, 2023

★ ★ ★ ★ ★

Excellent company. Product as described. Usually fast and well packed.Very nice.

Brea*****Dutta

February 20, 2023

★ ★ ★ ★ ★

Purchased this in May and didn't use it until last week. worked and all was good.

Write a Review

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ATMEGA644A-MU Packaging

ATMEGA644A-MU FAQ

1. How to order ATMEGA644A-MU 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-MU is from the original manufacturer or authorized agents?

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

The price and inventory of ATMEGA644A-MU 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-MU?

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-MU we delivered, we will accept the replacement or return of the ATMEGA644A-MU 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 of ATMEGA644A-MU.

(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-MU pin diagram, ATMEGA644A-MU datasheet?

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

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ATMEGA644A-MU Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

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

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.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

D# V36:1790_07151037

Microchip Technology Inc

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

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MUR

D# ATMEGA644A-MUR

Microchip Technology Inc

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

RoHS: Compliant

ATMEGA644A-MU

D# 68T3101

Microchip Technology Inc

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin VQFN EP - Bulk (Alt: 68T3101)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

D# ATMEGA644A-MU

Microchip Technology Inc

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

ATMEGA644A-MUR

D# ATMEGA644A-MUR

Microchip Technology Inc

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

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

Atmel Corporation

IC MCU 8BIT 64KB FLASH 44QFN

1237

ATMEGA644A-MUR

Atmel Corporation

8-bit Microcontrollers - MCU 20 MHz Ind Temp

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

D# C1S124600198652

Microchip Technology Inc

20 MHz, QFN/MLF, Ind. Temp, Green

RoHS: Compliant

pbFree: Yes

Min Qty: 1

589

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

D# ATMEGA644A-MU-ND

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44VQFN

ATMEGA644A-MUR

D# ATMEGA644A-MURCT-ND

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44VQFN

2055

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

D# 2484914

Microchip Technology Inc

MCU, 8BIT, AVR, 20MHZ, VQFN-44

RoHS: Compliant

Min Qty: 1

Container: Each

412

ATMEGA644A-MUR

D# 3628787

Microchip Technology Inc

MICROCONTROLLERS (MCU) - 8 BIT

RoHS: Compliant

Min Qty: 4000

Container: Reel

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

Microchip Technology Inc

RoHS: Compliant

pbFree: Yes

ATMEGA644A-MUR

Microchip Technology Inc

RoHS: Compliant

pbFree: Yes

Part Number

Manufacturer

Description

Stock

ATMEGA644AMU

Microchip Technology Inc

OEM/CM QUOTES ONLY | NO BROKERS

589

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

Microchip Technology Inc

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

RoHS: Not Compliant

360

ATMEGA644A-MUR

Microchip Technology Inc

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MUR

D# ATMEGA644A-MUR

Microchip Technology Inc

20 MHz MLF/QFN Ind Temp Green T&R

RoHS: Compliant

pbFree: Yes

8000

ATMEGA644A-MU

D# ATMEGA644A-MU

Microchip Technology Inc

20 MHz QFN/MLF Ind. Temp Green

RoHS: Compliant

pbFree: Yes

717

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

D# 556-ATMEGA644A-MU

Microchip Technology Inc

8-bit Microcontrollers - MCU 20 MHz Ind Temp

RoHS: Compliant

302

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

Microchip Technology Inc

20 MHz, QFN/MLF, Ind. Temp, Green - Package: 44 VQFN 7x7x1mm TRAY

RoHS: Compliant

ATMEGA644A-MUR

Microchip Technology Inc

20 MHz, MLF/QFN, Ind Temp, Green, T&R - Package: 44 VQFN 7x7x1mm T/R

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MUR

D# MCHP00000005671

Microchip Technology Inc

20 MHz, MLF/QFN, Ind Temp, Green, T&R - Package: 44 VQFN 7x7x1mm T/R

ATMEGA644A-MU

D# MCHP00000005670

Microchip Technology Inc

20 MHz, QFN/MLF, Ind. Temp, Green - Package: 44 VQFN 7x7x1mm TRAY

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MUR

D# 68T3102

Microchip Technology Inc

20 MHZ, MLF/QFN, IND TEMP, GREEN, T&R, 44 VQFN 7X7X1MM T/R ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 4000

Container: TAPE & REEL - FULL

ATMEGA644A-MU

D# 68T3101

Microchip Technology Inc

20 MHZ, QFN/MLF, IND. TEMP, GREEN, 44 VQFN 7X7X1MM TRAY ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 1

Container: Bulk

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MUR

D# NS-ATMEGA644A-MUR

Atmel Corporation

OEM/CM ONLY

8755

ATMEGA644A-MU

D# NS-ATMEGA644A-MU

Atmel Corporation

OEM/CM ONLY

4630

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

Microchip Technology Inc

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

RoHS: Not Compliant

360

ATMEGA644A-MUR

Microchip Technology Inc

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

D# 1310317P

Microchip Technology Inc

Microchip ATMEGA644A-MU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 44-Pin VQFN, PU

Min Qty: 1

Container: Tray

104

Part Number

Manufacturer

Description

Stock

ATMEGA644AMU

Atmel Corporation

OEM/CM ONLY

106

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

D# 43710584

Microchip Technology Inc

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

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644A-MU

D# 2484914

Microchip Technology Inc

MCU, 8BIT, AVR, 20MHZ, VQFN-44

RoHS: Compliant

Min Qty: 1

Container: Each

269

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ATMEGA644A-MU

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