Name: ATMEGA644P-20AQ
Brand: Microchip Technology
SKU: ATMEGA644P-20AQ
Price: 5.8647 USD
Availability: InStock
Rating: 5 (195 reviews)

ATMEGA644P-20AQ

For Reference Only

Part Number	ATMEGA644P-20AQ
Manufacturer	Microchip Technology
Description	IC MCU 8BIT 64KB FLASH 44TQFP
Datasheet	ATMEGA644P-20AQ Datasheet ATMEGA644P-20AQ Specifications
Package	44-TQFP
ECAD
In Stock	7,888 piece(s)
Unit Price	$ 5.8647 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 30 - Jun 4 (Choose Expedited Shipping)
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Part Number # ATMEGA644P-20AQ (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-20AQ specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add ATMEGA644P-20AQ with quantity into BOM. Heisener.com does NOT require any registration to request a quote of ATMEGA644P-20AQ.

ATMEGA644P-20AQ 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 ~ 105°C (TA)
Mounting Type	-
Package / Case	44-TQFP
Supplier Device Package	44-TQFP (10x10)

ATMEGA644P-20AQ Datasheet

ATMEGA644P-20AQ Reviews

Perla*****swamy

April 9, 2023

★ ★ ★ ★ ★

Solved my electrical back feed problems on my alternator.

Miy*****opal

February 23, 2023

★ ★ ★ ★ ★

Great kit, cost half the price of other stores. Includes most items that someone would need.

Brod*****well

February 21, 2023

★ ★ ★ ★ ★

I am very happy with how Heisener do business. Will definitely buy their products in the future as I have confidence in their customer service.

Write a Review

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ATMEGA644P-20AQ Packaging

ATMEGA644P-20AQ FAQ

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

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

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

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

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

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

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ATMEGA644P-20AQ 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-20AQR

D# V72:2272_07146949

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-20AQR

D# ATMEGA644P-20AQR

Microchip Technology Inc

MCU 8-Bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP T/R - Tape and Reel (Alt: ATMEGA644P-20AQR)

RoHS: Compliant

ATMEGA644P-20AQ

D# ATMEGA644P-20AQ

Atmel Corporation

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

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQR

D# ATMEGA644P-20AQR

Microchip Technology Inc

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

ATMEGA644P-20AQ

D# ATMEGA644P-20AQ

Microchip Technology Inc

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

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQ

Atmel Corporation

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQR

Atmel Corporation

IC MCU 8BIT 64KB FLASH 44TQFP

ATMEGA644P-20AQ

Atmel Corporation

IC MCU 8BIT 64KB FLASH 44TQFP

565

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQR

D# ATMEGA644P-20AQRCT-ND

Microchip Technology Inc

IC MCU 8BIT 64KB FLASH 44TQFP

1960

ATMEGA644P-20AQ

D# 2156-ATMEGA644P-20AQ-ND

Rochester Electronics LLC

IC MCU 8BIT 64KB FLASH 44TQFP

13839

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQR

Microchip Technology Inc

In stock shipping within 2days

21769

ATMEGA644P-20AQ

Microchip Technology Inc

In stock shipping within 2days

21768

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQ

D# 3628788

Microchip Technology Inc

MICROCONTROLLERS (MCU) - 8 BIT

RoHS: Compliant

Min Qty: 160

Container: Each

ATMEGA644P-20AQR

D# 2810005RL

Microchip Technology Inc

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

RoHS: Compliant

Min Qty: 1

Container: Reel

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQR

Microchip Technology Inc

RoHS: Compliant

pbFree: Yes

ATMEGA644P-20AQ

Microchip Technology Inc

RoHS: Compliant

pbFree: Yes

Part Number

Manufacturer

Description

Stock

ATMEGA644P20AQ

OEM/CM QUOTES ONLY | NO BROKERS

575

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQ

Atmel Corporation

In stock

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQR

Microchip Technology Inc

RoHS: Not Compliant

ATMEGA644P-20AQ

Microchip Technology Inc

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQR

D# ATMEGA644P-20AQR

Microchip Technology Inc

20MHZ QFN/MLF IND TEMP GREEN 5V T&R

RoHS: Compliant

pbFree: Yes

2000

ATMEGA644P-20AQ

D# ATMEGA644P-20AQ

Microchip Technology Inc

20 MHZ TQFP Ext Temp Green 5V

RoHS: Compliant

pbFree: Yes

960

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQ

D# 556-ATMEGA644P-20AQ

Microchip Technology Inc

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

RoHS: Compliant

111

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQ

Microchip Technology Inc

20 MHZ, TQFP, Ext Temp, Green, 5V - Package: 44 TQFP 10x10x1mm TRAY

RoHS: Compliant

ATMEGA644P-20AQR

Microchip Technology Inc

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

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQR

D# MCHP00000005674

Microchip Technology Inc

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

ATMEGA644P-20AQ

D# MCHP00000005673

Microchip Technology Inc

20 MHZ, TQFP, Ext Temp, Green, 5V - Package: 44 TQFP 10x10x1mm TRAY

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQR

D# 68T3109

Microchip Technology Inc

20MHZ, QFN/MLF, IND TEMP, GREEN, 5V, T&R, 44 TQFP 10X10X1MM T/R ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 2000

Container: TAPE & REEL - FULL

ATMEGA644P-20AQ

D# 68T3108

Microchip Technology Inc

MICROCONTROLLER MCU, 8 BIT, ATMEGA, 20MHZ, TQFP-44, Product Range:ATMega 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, MSL:- RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 160

Container: Bulk

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQ

D# NS-ATMEGA644P-20AQ

Atmel Corporation

OEM/CM ONLY

6911

ATMEGA644P-20AQR

D# NS-ATMEGA644P-20AQR

Atmel Corporation

OEM/CM ONLY

7027

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQR

Microchip Technology Inc

RoHS: Not Compliant

ATMEGA644P-20AQ

Microchip Technology Inc

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQ

Atmel Corporation

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

RoHS: Not Compliant

pbFree: No

13839

Part Number

Manufacturer

Description

Stock

ATMEGA644P20AQ

Atmel Corporation

OEM/CM ONLY

158

Part Number

Manufacturer

Description

Stock

ATMEGA644P-20AQR

D# 2810005

Microchip Technology Inc

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

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

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ATMEGA644P-20AQ

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