Name: ATMEGA644A-PU
Brand: Microchip Technology
SKU: ATMEGA644A-PU
Price: 6.5352 USD
Availability: InStock
Rating: 5 (167 reviews)

ATMEGA644A-PU

For Reference Only

Part Number	ATMEGA644A-PU
Manufacturer	Microchip Technology
Description	IC MCU 8BIT 64KB FLASH 40DIP
Datasheet	ATMEGA644A-PU Datasheet ATMEGA644A-PU Specifications
Package	40-DIP (0.600", 15.24mm)
ECAD
In Stock	16,308 piece(s)
Unit Price	$ 6.5352 *
Lead Time	To be Confirmed
Estimated Delivery Time	Apr 19 - Apr 24 (Choose Expedited Shipping)
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Part Number # ATMEGA644A-PU (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-PU specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add ATMEGA644A-PU with quantity into BOM. Heisener.com does NOT require any registration to request a quote of ATMEGA644A-PU.

ATMEGA644A-PU Specifications

Manufacturer	Microchip Technology
Category	Integrated Circuits (ICs) - Embedded - Microcontrollers
Package	40-DIP (0.600", 15.24mm)
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	40-DIP (0.600", 15.24mm)
Supplier Device Package	40-PDIP

ATMEGA644A-PU Datasheet

ATMEGA644A-PU Reviews

Juan*****ajas

April 9, 2023

★ ★ ★ ★ ★

So far all the items still work. I'm using these for some home made solar panels and they're doing great.

Aylee*****phens

April 7, 2023

★ ★ ★ ★ ★

quick delivery, received with well packaged, exactly as listed - Thanks

Sandr*****hington

March 28, 2023

★ ★ ★ ★ ★

Items arrived well pakaged, reasonable postage and as described. Top seller

Evang***** Phelps

March 19, 2023

★ ★ ★ ★ ★

happy with the IC and received with perfect packaging, good comunication with seller thanks.

Cays*****ishop

March 19, 2023

★ ★ ★ ★ ★

I was able to make my list of needed parts and use suggested relative selection. The five stars represent the fact they show inventory quantity. So far i'm happy.

Phili*****wartz

March 4, 2023

★ ★ ★ ★ ★

I can count on your provision for BOM of my design in near future

Fait*****ller

February 28, 2023

★ ★ ★ ★ ★

The order has arrived ahead of time, we appreciate it very much!! Thanks

Glo***** Basu

February 19, 2023

★ ★ ★ ★ ★

Every time I order, I always get faster than promised. For a small-time operator like me, you guys are the best!

Write a Review

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ATMEGA644A-PU Packaging

ATMEGA644A-PU FAQ

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

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

The price and inventory of ATMEGA644A-PU 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-PU?

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

(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-PU pin diagram, ATMEGA644A-PU datasheet?

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

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ATMEGA644A-PU 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-PU

D# V99:2348_07151076

Microchip Technology Inc

MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 40-Pin PDIP W Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

D# ATMEGA644A-PU

Atmel Corporation

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 40-Pin PDIP W - Bulk (Alt: ATMEGA644A-PU)

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

D# ATMEGA644A-PU

Microchip Technology Inc

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 40-Pin PDIP W (Alt: ATMEGA644A-PU)

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

Atmel Corporation

Atmel ATMEGA644A-PU

124

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

D# ATMEGA644A-PU-ND

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 40DIP

5863

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

D# 1972105

Microchip Technology Inc

MCU, 8BIT, ATMEGA, 20MHZ, DIP-40

RoHS: Compliant

Min Qty: 1

Container: Each

192

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

Microchip Technology Inc

RoHS: Compliant

pbFree: Yes

Part Number

Manufacturer

Description

Stock

ATMEGA644APU

Microchip Technology Inc

OEM/CM QUOTES ONLY | NO BROKERS

2506

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

Microchip Technology Inc

MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 40-Pin PDIP W Tube

RoHS: Not Compliant

197

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

D# ATMEGA644A-PU

Microchip Technology Inc

20 MHz PDIP Ind. Temp Green

RoHS: Compliant

pbFree: Yes

2478

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

D# 556-ATMEGA644A-PU

Microchip Technology Inc

8-bit Microcontrollers - MCU 20 MHz Ind Temp

RoHS: Compliant

256

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

Microchip Technology Inc

20 MHz, PDIP, Ind. Temp, Green - Package: 40 PDIP .600in TUBE

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

D# MCHP00000005672

Microchip Technology Inc

20 MHz, PDIP, Ind. Temp, Green - Package: 40 PDIP .600in TUBE

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

D# 68T3103

Microchip Technology Inc

MICROCONTROLLER MCU, 8 BIT, ATMEGA, 20MHZ, DIP-40, Product Range:AVR ATmega Family ATmega64 Series Microcontrollers, CPU Speed:20MHz, Program Memory Size:64KB, RAM Memory Size:4KB, No. of Pins:40Pins, MCU Case Style:DIP, MSL:- RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

D# NS-ATMEGA644A-PU

Atmel Corporation

OEM/CM ONLY

2435

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

Microchip Technology Inc

MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 40-Pin PDIP W Tube

RoHS: Not Compliant

197

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

D# 1310318P

Microchip Technology Inc

Microchip ATMEGA644A-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 40-Pin PDIP, TU

Min Qty: 1

Container: Tube

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

Atmel Corporation

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

RoHS: Compliant

124

Part Number

Manufacturer

Description

Stock

ATMEGA644APU

Atmel Corporation

OEM/CM ONLY

111

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

D# 51806463

Microchip Technology Inc

MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 40-Pin PDIP W Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644A-PU

D# 1972105

Microchip Technology Inc

MCU, 8BIT, ATMEGA, 20MHZ, DIP-40

RoHS: Compliant

Min Qty: 1

Container: Each

172

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ATMEGA644A-PU

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