Name: ATMEGA644PA-PU
Brand: Microchip Technology
SKU: ATMEGA644PA-PU
Price: 7.8138 USD
Availability: InStock
Rating: 5 (97 reviews)

ATMEGA644PA-PU

For Reference Only

Part Number	ATMEGA644PA-PU
Manufacturer	Microchip Technology
Description	IC MCU 8BIT 64KB FLASH 40DIP
Datasheet	ATMEGA644PA-PU Datasheet ATMEGA644PA-PU Specifications
Package	40-DIP (0.600", 15.24mm)
ECAD
In Stock	15,054 piece(s)
Unit Price	$ 7.8138 *
Lead Time	To be Confirmed
Estimated Delivery Time	May 18 - May 23 (Choose Expedited Shipping)
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Part Number # ATMEGA644PA-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 ATMEGA644PA-PU specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add ATMEGA644PA-PU with quantity into BOM. Heisener.com does NOT require any registration to request a quote of ATMEGA644PA-PU.

ATMEGA644PA-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

ATMEGA644PA-PU Datasheet

ATMEGA644PA-PU Reviews

Phil*****azquez

April 9, 2023

★ ★ ★ ★ ★

The pricing is great. This is the first time I use Heisener Electronics but I will recommend it to my business partners.

Emi*****Raman

April 1, 2023

★ ★ ★ ★ ★

This product is very easy to replace and solved my problem.

Rosa*****rell

April 1, 2023

★ ★ ★ ★ ★

Comparison with other company, Heisener is my first choice for supplier.

Nia*****nton

March 25, 2023

★ ★ ★ ★ ★

Very much appreciate the thoughtful system to hold multiple orders, including back ordered items, can be shipped at once rather than incremental shipments.

Bai***** Leon

March 20, 2023

★ ★ ★ ★ ★

Arrived safely. All OK. Thanks

Gran*****ilor

February 25, 2023

★ ★ ★ ★ ★

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

Write a Review

★★★★★

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Thanks for Your Review!

ATMEGA644PA-PU Packaging

ATMEGA644PA-PU FAQ

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

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

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

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

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ATMEGA644PA-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

ATMEGA644PA-PU

D# V99:2348_07145875

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

ATMEGA644PA-PU

D# ATMEGA644PA-PU

Microchip Technology Inc

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 40-Pin PDIP W - Rail/Tube (Alt: ATMEGA644PA-PU)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

D# ATMEGA644PA-PU

Microchip Technology Inc

MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 40-Pin PDIP W (Alt: ATMEGA644PA-PU)

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

Atmel Corporation

MCU, 8BIT, AVR, 64K FLASH, 40PDIP

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

D# C1S124600202104

Microchip Technology Inc

20 MHz, PDIP, Ind. Temp, Green

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

D# ATMEGA644PA-PU-ND

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 40DIP

659

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

D# 1972107

Microchip Technology Inc

MCU, 8BIT, AVR, 64K FLASH, 40PDIP

RoHS: Compliant

Min Qty: 1

Container: Each

342

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

Microchip Technology Inc

ATmega Series 64 KB Flash 4 KB SRAM 20 MHz 8-Bit Microcontroller - PDIP-40

RoHS: Compliant

pbFree: Yes

Part Number

Manufacturer

Description

Stock

ATMEGA644PAPU

Microchip Technology Inc

OEM/CM QUOTES ONLY | NO BROKERS

1165

Part Number

Manufacturer

Description

Stock

ATMEGA644PAPU

Microchip Technology Inc

OEM/CM ONLY

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

Microchip Technology Inc

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

RoHS: Not Compliant

690

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

D# ATMEGA644PA-PU

Microchip Technology Inc

20 MHz PDIP Ind. Temp Green

RoHS: Compliant

pbFree: Yes

2024

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

D# 556-ATMEGA644PA-PU

Microchip Technology Inc

8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins

RoHS: Compliant

226

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

Microchip Technology Inc

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

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

D# MCHP00000005691

Microchip Technology Inc

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

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

D# 68T3125

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: 80

Container: Bulk

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

D# NS-ATMEGA644PA-PU

Atmel Corporation

OEM/CM ONLY

9207

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

Microchip Technology Inc

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

RoHS: Not Compliant

690

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

Microchip Technology Inc

RISC MICROCONTROLLER, 8-BIT, FLASH, AVR RISC CPU, 20MHZ, CMOS, PDIP40

368

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

D# 1310325

Microchip Technology Inc

Microchip ATMEGA644PA-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 40-Pin PDIP, EA

Min Qty: 1

Container: Bulk

Part Number

Manufacturer

Description

Stock

ATMEGA644PAPU

Atmel Corporation

OEM/CM ONLY

Part Number

Manufacturer

Description

Stock

ATMEGA644PA-PU

D# 51603178

Microchip Technology Inc

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

RoHS: Compliant

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ATMEGA644PA-PU

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