Name: ATMEGA644P-20AUR
Brand: Microchip Technology
SKU: ATMEGA644P-20AUR
Price: 8.2463 USD
Availability: InStock
Rating: 5 (69 reviews)

ATMEGA644P-20AUR

For Reference Only

Part Number	ATMEGA644P-20AUR
Manufacturer	Microchip Technology
Description	IC MCU 8BIT 64KB FLASH 44TQFP
Datasheet	ATMEGA644P-20AUR Datasheet ATMEGA644P-20AUR Specifications
Package	44-TQFP
ECAD
In Stock	3,728 piece(s)
Unit Price	$ 8.2463 *
Lead Time	To be Confirmed
Estimated Delivery Time	May 1 - May 6 (Choose Expedited Shipping)
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Part Number # ATMEGA644P-20AUR (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 ATMEGA644P-20AUR specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add ATMEGA644P-20AUR with quantity into BOM. Heisener.com does NOT require any registration to request a quote of ATMEGA644P-20AUR.

ATMEGA644P-20AUR Specifications

Manufacturer	Microchip Technology
Category	Integrated Circuits (ICs) - Embedded - Microcontrollers
Package	44-TQFP
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)	2.7 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)

ATMEGA644P-20AUR Datasheet

ATMEGA644P-20AUR Reviews

Mau*****e Day

March 30, 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.

Gavi*****onnell

March 17, 2023

★ ★ ★ ★ ★

I can get a patience and respect for each order. Thank you!

Jam*****Meka

March 7, 2023

★ ★ ★ ★ ★

Used these for a solar project, and they are working great.

Sier*****andhu

February 23, 2023

★ ★ ★ ★ ★

Excellent, high quality product at a reasonable price. Timely delivery. Highly recommend product and vendor.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

ATMEGA644P-20AUR Packaging

ATMEGA644P-20AUR FAQ

1. How to order ATMEGA644P-20AUR 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 ATMEGA644P-20AUR is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the ATMEGA644P-20AUR. All suppliers must pass our qualification reviews before they can publish their products including ATMEGA644P-20AUR on Heisener; we pay more attention to the channels and quality of ATMEGA644P-20AUR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the ATMEGA644P-20AUR price and inventory displayed accurate?

The price and inventory of ATMEGA644P-20AUR 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 ATMEGA644P-20AUR?

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 ATMEGA644P-20AUR we delivered, we will accept the replacement or return of the ATMEGA644P-20AUR 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 ATMEGA644P-20AUR.

(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 ATMEGA644P-20AUR pin diagram, ATMEGA644P-20AUR datasheet?

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

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ATMEGA644P-20AUR 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

ATMEGA644P-20AUR

D# V72:2272_07145135

Microchip Technology Inc

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

RoHS: Compliant

ATMEGA644P-20AU

D# V99:2348_07145275

Microchip Technology Inc

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

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

D# ATMEGA644P-20AU

Atmel Corporation

MCU 8-Bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP - Bulk (Alt: ATMEGA644P-20AU)

ATMEGA644P-20AUR

D# ATMEGA644P-20AUR

Atmel Corporation

MCU 8-Bit ATMEGA644P AVR RISC 64KB Flash 2.7V to 5.5V 44-Pin TQFP T/R - Bulk (Alt: ATMEGA644P-20AUR)

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

D# ATMEGA644P-20AU

Microchip Technology Inc

MCU 8-Bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP (Alt: ATMEGA644P-20AU)

ATMEGA644P-20AUR

D# ATMEGA644P-20AUR

Microchip Technology Inc

MCU 8-Bit ATMEGA644P AVR RISC 64KB Flash 2.7V to 5.5V 44-Pin TQFP T/R (Alt: ATMEGA644P-20AUR)

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

Atmel Corporation

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

ATMEGA644P-20AUR

Atmel Corporation

Atmel ATMEGA644P-20AUR

49979

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

D# C1S124600167908

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Container: Bulk

ATMEGA644P-20AUR

D# C1S124600213535

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V, T&R

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

D# ATMEGA644P-20AU-ND

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44TQFP

1821

ATMEGA644P-20AUR

D# ATMEGA644P-20AURCT-ND

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44TQFP

937

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AUR

Microchip Technology Inc

In stock shipping within 2days

21771

ATMEGA644P-20AU

Microchip Technology Inc

In stock shipping within 2days

21770

Part Number	Manufacturer	Description	Stock
ATMEGA644P-20AUR D# 3131897RL	Microchip Technology Inc	MCU, 8BIT, 20MHZ, TQFP-44 RoHS: Compliant Min Qty: 1 Container: Reel	0
ATMEGA644P-20AU D# 1455121	Microchip Technology Inc	MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44 RoHS: Compliant Min Qty: 1 Container: Each	982
ATMEGA644P-20AUR. D# 2695540	Microchip Technology Inc	MICROCONTROLLER MCU, 8 BIT, ATMEGA, 20MHZ, TQFP-44 RoHS: Compliant Min Qty: 2000 Container: Cut Tape	0

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AUR

Microchip Technology Inc

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

RoHS: Compliant

pbFree: Yes

ATMEGA644P-20AU

Microchip Technology Inc

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

RoHS: Compliant

pbFree: Yes

320

Part Number

Manufacturer

Description

Stock

ATMEGA644P20AUR

Atmel Corporation

OEM/CM QUOTES ONLY | NO BROKERS

17324

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

Microchip Technology Inc

MCU 8-bit - AVR ATmega Family ATmega64 Series Microcontrollers - 64KB Flash - 20 MHz - 3.3V/5V - 44-Pin.

RoHS: Not Compliant

1572

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

D# ATMEGA644P-20AU

Microchip Technology Inc

20MHZ TQFP IND TEMP GREEN 5V

RoHS: Compliant

pbFree: Yes

3031

ATMEGA644P-20AUR

D# ATMEGA644P-20AUR

Microchip Technology Inc

20MHZ TQFP IND TEMP GREEN 5V T&R

RoHS: Compliant

pbFree: Yes

4000

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AUR

Atmel Corporation

OEM/CM Immediate delivery

9061

ATMEGA644P-20AU

Microchip Technology Inc

OEM/CM Immediate delivery

960

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AUR

D# 556-ATMEGA644P-20AUR

Microchip Technology Inc

8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V

RoHS: Compliant

202

ATMEGA644P-20AU

D# 556-ATMEGA644P-20AU

Microchip Technology Inc

8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V

RoHS: Compliant

299

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AUR

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V, T&R - Package: 44 TQFP 10x10x1mm T/R

RoHS: Compliant

ATMEGA644P-20AU

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V - Package: 44 TQFP 10x10x1mm TRAY

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AUR

D# MCHP00000005676

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V, T&R - Package: 44 TQFP 10x10x1mm T/R

ATMEGA644P-20AU

D# MCHP00000005675

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V - Package: 44 TQFP 10x10x1mm TRAY

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

D# 29AC2593

Microchip Technology Inc

20MHZ, TQFP, IND TEMP, GREEN, 5V ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 160

Container: Bulk

ATMEGA644P-20AUR

D# 07AH6427

Microchip Technology Inc

MCU, 8BIT, 20MHZ, TQFP-44, Product Range:AVR Family ATmega644 Series Microcontrollers, CPU Speed:20MHz, Program Memory Size:64KB, RAM Memory Size:4KB, No. of Pins:44Pins, MCU Case Style:TQFP, No. of I/O s:32I/O s, Embedded Interface RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

304

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

D# NS-ATMEGA644P-20AU

Atmel Corporation

OEM/CM ONLY

5148

ATMEGA644P-20AUR

D# NS-ATMEGA644P-20AUR

Atmel Corporation

OEM/CM ONLY

2062

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

Microchip Technology Inc

MCU 8-bit - AVR ATmega Family ATmega64 Series Microcontrollers - 64KB Flash - 20 MHz - 3.3V/5V - 44-Pin.

RoHS: Not Compliant

1572

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

Atmel Corporation

8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP44

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

D# 1310319P

Microchip Technology Inc

Microchip ATMEGA644P-20AU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 44-Pin TQFP, PU

Min Qty: 1

Container: Tray

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AUR

Atmel Corporation

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

RoHS: Compliant

21750

ATMEGA644P-20AU

Atmel Corporation

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

RoHS: Compliant

1999

Part Number

Manufacturer

Description

Stock

ATMEGA644P20AUR

Atmel Corporation

OEM/CM ONLY

5157

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AUR

Atmel Corporation

IN stock Immediate delivery

9076

ATMEGA644P-20AU

Microchip Technology Inc

IN stock Immediate delivery

955

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

Atmel Corporation

shipping today

2889

ATMEGA644P-20AUR

Atmel Corporation

shipping today

996

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

D# 51806677

Microchip Technology Inc

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

RoHS: Compliant

ATMEGA644P-20AUR

D# 51963321

Microchip Technology Inc

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

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

Atmel Corporation

RFQ

11535

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AU

Atmel Corporation

IC MCU 8BIT 64KB FLASH 44TQFP

2913

ATMEGA644P-20AUR

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44TQFP

10964

Part Number	Manufacturer	Description	Stock
ATMEGA644P-20AUR D# 3131897	Microchip Technology Inc	MCU, 8BIT, 20MHZ, TQFP-44 RoHS: Compliant Min Qty: 1 Container: Cut Tape	616
ATMEGA644P-20AU D# 1455121	Microchip Technology Inc	MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44 RoHS: Compliant Min Qty: 1 Container: Each	1010
ATMEGA644P-20AUR. D# 2695540	Microchip Technology Inc	MICROCONTROLLER MCU, 8 BIT, ATMEGA, 20MHZ, TQFP-44 RoHS: Compliant Min Qty: 1 Container: Cut Tape	0

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ATMEGA644P-20AUR

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