ATMEGA644PA-AU - Microchip Technology - Price, Inventory & Datasheets | Heisener.com
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ATMEGA644PA-AU

hot ATMEGA644PA-AU

ATMEGA644PA-AU

For Reference Only

Part Number

ATMEGA644PA-AU

Manufacturer

Microchip Technology

Description

IC MCU 8BIT 64KB FLASH 44TQFP

Package

44-TQFP

ECAD

In Stock

1,255,560 piece(s)

Unit Price

$ 7.1695 *

Lead Time

Can Ship Immediately

Estimated Delivery Time

Dec 6 - Dec 11 ( Choose Expedited Shipping)

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Payment Methods
Delivery Services

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ATMEGA644PA-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 ATMEGA644PA-AU?

Part Number # ATMEGA644PA-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 ATMEGA644PA-AUspecifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add ATMEGA644PA-AU with quantity into BOM. Heisener.com does NOT require any registration to request a quote of ATMEGA644PA-AU.

ATMEGA644PA-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)

ATMEGA644PA-AU Datasheet

ATMEGA644PA-AU Reviews

Kier*****averi

April 3, 2023

Sure appreciate your service high standard, expertise and skills. Thanks Much!!!

Lawso*****umdar

March 27, 2023

Quality made product satisfied with my purchase. Thanks.

Ali*****Lam

March 17, 2023

I enjoy doing business with Heisener, please keep up the GREAT Service!

Hatti*****erson

March 10, 2023

I am always amazed at the cost of automotive or marine costs when a rectifier is needed while these will do the exact same thing if you are a bit technically minded to wire them up.

Dext*****illa

February 25, 2023

Items as described, quick dispatch, took a while with shipment.

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ATMEGA644PA-AU FAQ

1. How to order ATMEGA644PA-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 ATMEGA644PA-AU is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test theATMEGA644PA-AU. All suppliers must pass our qualification reviews before they can publish their products including ATMEGA644PA-AU on Heisener;we pay more attention to the channels and quality of ATMEGA644PA-AUproducts than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the ATMEGA644PA-AU price and inventory displayed accurate?

The price and inventory of ATMEGA644PA-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 ATMEGA644PA-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 ATMEGA644PA-AU we delivered, we will accept the replacement or return of the ATMEGA644PA-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 ofATMEGA644PA-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 ATMEGA644PA-AU pin diagram, ATMEGA644PA-AU datasheet?

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

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ATMEGA644PA-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

ATMEGA644PA-AUR

D# V72:2272_07145809

Microchip Technology Inc

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

RoHS: Compliant
0

ATMEGA644PA-AU

D# V99:2348_07146005

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

ATMEGA644PA-AU

D# ATMEGA644PA-AU

Atmel Corporation

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP - Bulk (Alt: ATMEGA644PA-AU)

0

ATMEGA644PA-AUR

D# ATMEGA644PA-AUR

Atmel Corporation

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP T/R - Bulk (Alt: ATMEGA644PA-AUR)

0
Part Number Manufacturer Description Stock

ATMEGA644PA-AU

D# ATMEGA644PA-AU

Microchip Technology Inc

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP (Alt: ATMEGA644PA-AU)

0
Part Number Manufacturer Description Stock

ATMEGA644PA-AU

D# ATMEGA644PA-AU

Microchip Technology Inc

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP (Alt: ATMEGA644PA-AU)

0

ATMEGA644PA-AUR

D# ATMEGA644PA-AUR

Microchip Technology Inc

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP T/R (Alt: ATMEGA644PA-AUR)

0
Part Number Manufacturer Description Stock

ATMEGA644PA-AU

Atmel Corporation

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

513

ATMEGA644PA-AUR

Atmel Corporation

IC MCU 8BIT 64KB FLASH 44TQFP

0
Part Number Manufacturer Description Stock

ATMEGA644PA-AUR

D# ATMEGA644PA-AURCT-ND

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44TQFP

3059

ATMEGA644PA-AU

D# 2156-ATMEGA644PA-AU-ND

Rochester Electronics LLC

IC MCU 8BIT 64KB FLASH 44TQFP

247
Part Number Manufacturer Description Stock

ATMEGA644PA-AU

D# ATMEGA644PA-AU

Atmel Corporation

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

2737

ATMEGA644PA-AUR

D# ATMEGA644PA-AUR

Atmel Corporation

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

2082
Part Number Manufacturer Description Stock

ATMEGA644PA-AUR

D# 3360178

Microchip Technology Inc

MCU, 8BIT, 20MHZ, TQFP-44

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
251

ATMEGA644PA-AU

D# 1972106

Microchip Technology Inc

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

RoHS: Compliant
Min Qty: 1
Container: Each
1456
Part Number Manufacturer Description Stock

ATMEGA644PA-AUR

Microchip Technology Inc

20 MHz, TQFP, Ind Temp, Green, T&R

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

ATMEGA644PAAU

Atmel Corporation

OEM/CM QUOTES ONLY | NO BROKERS

33120

ATMEGA644PAAURNEW

Atmel Corporation

OEM/CM QUOTES ONLY | NO BROKERS

2300

ATMEGA644PAAUR

ATME

OEM/CM QUOTES ONLY | NO BROKERS

23000
Part Number Manufacturer Description Stock

ATMEGA644PA-AU

Microchip Technology Inc

AVR series Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-TQFP (10x10)

RoHS: Compliant
400
Part Number Manufacturer Description Stock

ATMEGA644PA-AU

Microchip Technology Inc

MCU 8-bit - Low Power High Performance - AVR ATmega Family ATmega64 Series Microcontrollers - 20 MHz - 64 KB - 4 KB - 44 Pins.

RoHS: Not Compliant
15

ATMEGA644PA-AUR

Microchip Technology Inc

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

RoHS: Not Compliant
2000
Part Number Manufacturer Description Stock

ATMEGA644PA-AUR

D# ATMEGA644PA-AUR

Microchip Technology Inc

20 MHz TQFP Ind Temp Green T&R

RoHS: Compliant
pbFree: Yes
0

ATMEGA644PA-AU

D# ATMEGA644PA-AU

Microchip Technology Inc

20 MHz TQFP Ind. Temp Green

RoHS: Compliant
pbFree: Yes
21437
Part Number Manufacturer Description Stock

ATMEGA644PA-AU

Atmel Corporation

OEM/CM Immediate delivery

5000
Part Number Manufacturer Description Stock

ATMEGA644PA-AUR

D# 556-ATMEGA644PA-AUR

Microchip Technology Inc

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND

RoHS: Compliant
1261
Part Number Manufacturer Description Stock

ATMEGA644PA-AUR

Microchip Technology Inc

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

RoHS: Compliant
0

ATMEGA644PA-AU

Microchip Technology Inc

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

RoHS: Compliant
0
Part Number Manufacturer Description Stock

ATMEGA644PA-AUR

D# MCHP00000005686

Microchip Technology Inc

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

0

ATMEGA644PA-AU

D# MCHP00000005685

Microchip Technology Inc

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

0
Part Number Manufacturer Description Stock

ATMEGA644PA-AUR

D# 41AH8337

Microchip Technology Inc

MCU, 8BIT, 20MHZ, TQFP-44, Product Range:AVR ATmega Family ATmega64 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 RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
251

ATMEGA644PA-AU

D# 68T3119

Microchip Technology Inc

MICROCONTROLLER MCU, 8 BIT, ATMEGA, 20MHZ, TQFP-44, Product Range:AVR ATmega Family ATmega64 Series Microcontrollers, CPU Speed:20MHz, Program Memory Size:64KB, RAM Memory Size:4KB, No. of Pins:44Pins, MCU Case Style:TQFP RoHS Compliant: Yes

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

ATMEGA644PA-AUR

D# NS-ATMEGA644PA-AUR

Atmel Corporation

OEM/CM ONLY

10519

ATMEGA644PA-AU

D# NS-ATMEGA644PA-AU

Atmel Corporation

OEM/CM ONLY

3962
Part Number Manufacturer Description Stock

ATMEGA644PA-AUR

Microchip Technology Inc

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

RoHS: Not Compliant
2000

ATMEGA644PA-AU

Microchip Technology Inc

MCU 8-bit - Low Power High Performance - AVR ATmega Family ATmega64 Series Microcontrollers - 20 MHz - 64 KB - 4 KB - 44 Pins.

RoHS: Not Compliant
15
Part Number Manufacturer Description Stock

ATMEGA644PA-AU

D# 1310323P

Microchip Technology Inc

Microchip ATMEGA644PA-AU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 44-Pin TQFP, PU

Min Qty: 1
Container: Tray
5
Part Number Manufacturer Description Stock

ATMEGA644PA-AUR

Atmel Corporation

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

RoHS: Compliant
10797

ATMEGA644PA-AU

Atmel Corporation

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

RoHS: Compliant
247
Part Number Manufacturer Description Stock

ATMEGA644PAAU

Atmel Corporation

OEM/CM ONLY

32262

ATMEGA644PAAUR

Atmel Corporation

OEM/CM ONLY

7581
Part Number Manufacturer Description Stock

ATMEGA644PA-AU

Atmel Corporation

IN stock Immediate delivery

5015
Part Number Manufacturer Description Stock

ATMEGA644PA-AU

Microchip Technology Inc

shipping today

38396
Part Number Manufacturer Description Stock

ATMEGA644PA-AUR

D# 51563059

Microchip Technology Inc

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

RoHS: Compliant
0

ATMEGA644PA-AU

D# 42387327

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

ATMEGA644PA-AU

Atmel Corporation

RFQ

1834

ATMEGA644PA-AUR

Atmel Corporation

RFQ

5424
Part Number Manufacturer Description Stock

ATMEGA644PA-AU

Atmel Corporation

IC MCU 8BIT 64KB FLASH 44TQFP

18400

ATMEGA644PA-AUR

Atmel Corporation

IC MCU 8BIT 64KB FLASH 44TQFP

900
Part Number Manufacturer Description Stock

ATMEGA644PA-AUR

D# 3360178

Microchip Technology Inc

MCU, 8BIT, 20MHZ, TQFP-44

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
251

ATMEGA644PA-AU

D# 1972106

Microchip Technology Inc

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

RoHS: Compliant
Min Qty: 1
Container: Each
1476

ATMEGA644PA-AU Tags

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