ATMEGA644PA-AU
The TQFP-44 package ensures easy installation and compatibility with a wide range of devices





Brands: Microchip Technology
Mfr.Part #: ATMEGA644PA-AU
Datasheet: ATMEGA644PA-AU Datasheet (PDF)
Package/Case: 44-TQFP
RoHS Status:
Stock Condition: 5,909 pcs, New Original
Product Type: Microcontrollers
Warranty: 1 Year Ovaga Warranty - Find Out More
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*All prices are in USD
Qty | Unit Price | Ext Price |
---|---|---|
1 | $3.792 | $3.792 |
10 | $3.404 | $34.040 |
30 | $3.174 | $95.220 |
100 | $2.940 | $294.000 |
500 | $2.832 | $1416.000 |
1000 | $2.784 | $2784.000 |
In Stock 5,909 PCS
ATMEGA644PA-AU General Description
The ATMEGA644PA-AU microcontroller is a formidable member of Atmel Corporation's AVR ATmega series, delivering exceptional performance with its high-performance 8-bit AVR RISC architecture. With 64KB of flash memory, 2KB of SRAM, and 4KB of EEPROM, it operates at a maximum frequency of 20MHz and supports multiple communication interfaces such as USART, SPI, and I2C. Housed in a 44-pin TQFP package, it is highly versatile and suitable for a wide range of applications. Its 32 general-purpose I/O pins, 8-channel 10-bit ADC, and various timers and PWM channels ensure precise control, while its support for in-system programming and built-in self-programming capabilities further enhance its functionality

Features
IT ALSO OPERATES FROM 1.8V TO 5.5 V AT 4 MHZ
Application
The Microchip ATMega644PA-AU is suitable for use in embedded applications, data communications, telecommunications, consumer electronics, automotive applications, and more. It can be used to control actuators, process data, and manage other tasks that require a low-power, high-density, single-chip microcontroller.

Specifications
Parameter | Value | Parameter | Value |
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Core | AVR | Program Memory Size | 64 kB |
Data RAM Size | 4 kB | Maximum Clock Frequency | 20 MHz |
ADC Resolution | 10 bit | Number of GPIO | 32 I/O |
Supply Voltage - Min | 1.8 V | Max Supply Voltage | 5.5 V |
Mounting Style | SMD/SMT | Data Bus Width | 8 bit |
Minimum Operating Temperature (°C) | - 40 | Maximum Operating Temperature (°C) | + 85 |
Series | ATmega644 | Data RAM Type | SRAM |
Interface Type | SPI, TWI, UART | Moisture Sensitive | Yes |
Processor Series | megaAVR | Product | MCUs |
Program Memory Type | Flash | Factory Pack Quantity | 160 |
Tradename | AVR |
Shipping
Shipping Type | Ship Fee | Lead Time | |
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time:Shipping fee depend on different zone and country.
Payment
Terms of payment | Hand Fee | |
---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.5% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step1 :Product Inventory
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Step2 :Pressure Relief Packaging
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Step3 :Anti Static Packaging
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Step4 :Protective Packaging
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Step5 :Sealed Packaging
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Step6 :Preparation for shipment
We will inspect and count all goods before shipping to ensure that all products are intact and in accurate quantity, and will fully package them to ensure that they will not be damaged during transportation.
Q: How can I order the ATMEGA644PA-AU?
A: To place an order for the ATMEGA644PA-AU, select the "Add to Cart" button associated with the product listing on our website. Once selected, you can finalize your purchase by proceeding to the checkout page, where you can enter your payment and shipping information.
Q: What is the warranty period for the ATMEGA644PA-AU?
A: We offer a 1-year warranty on the ATMEGA644PA-AU. This warranty covers any defects in materials and artistry under normal use. During the warranty period, if the product is found to be defective, it will be repaired or replaced at no charge. For further details, please refer to our warranty policy.
Q: How does Ovaga ensure the authenticity of ATMEGA644PA-AU from Microchip Technology?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original Microchip Technology manufacturers and authorized agents. All Microchip Technology suppliers must pass a qualification review before they can list their ATMEGA644PA-AU products on our platform. We emphasize sourcing from reliable channels and maintaining high product quality standards, ensuring you can make your purchase with confidence.
Q: How can I find detailed information about the ATMEGA644PA-AU chips, such as application notes, factory information, and images?
A: You can utilize Ovaga's intelligent search engine, filter by the Ethernet PHY Products category, or visit the Microchip Technology information page to find comprehensive details about the ATMEGA644PA-AU.
Q: Are the price and stock information for ATMEGA644PA-AU on Ovaga's platform accurate?
A: Inventory levels for Microchip Technology products can fluctuate and may not be updated in real time. The information is refreshed periodically within 24 hours. To confirm stock availability and final pricing, you must confirm your order with an Ovaga salesperson or customer service representative before proceeding with payment.
Q: Can I place orders offline with Ovaga?
A: Yes, offline orders are accepted. You can navigate to the "My Orders" section and enter transaction management to place your order. Reviewing the "Order Details" and proceeding to place the order is straightforward. Additionally, you may benefit from coupons or selected gifts when ordering online.
Q: What payment methods are accepted by Ovaga?
A: Ovaga accepts various payment methods, including Wire Transfer, PayPal, Credit Cards, Western Union, and Money Gram.
Q: How is shipping arranged, and how can I track my package?
A: Customers can choose from industry-leading freight companies such as DHL, FedEx, UPS, TNT, EMS, and Registered Air Mail. Once your order is processed for shipment, you will receive an email with the shipping status and tracking number. Note that tracking information may take up to 24 hours to be displayed by carriers. Typically, express delivery takes 2-5 days.
Q: What is the return or replacement process for ATMEGA644PA-AU?
A: Ovaga conducts Pre-Shipment Inspections (PSI) on all orders to ensure quality before shipment. Suppose there are issues such as quantity discrepancies, incorrect items, or visible defects (e.g., breakage or rust), and they are acknowledged by us. In that case, returns or replacements will be accepted under the following conditions:
- ●The defect must be reported within 365 days after delivery.
- ●The product must be unused and in its original, unopened packaging.
- ●Requesting Return Authorizations must be obtained.
For the return process:
- ●Please inform us within 365 days of receiving the product.
- ●Obtain Return Authorization from our team.
- ●Please refer to our After-Sale Matters for more detailed instructions.
Q: How can I contact Ovaga for support, including obtaining datasheets or pin diagrams for the ATMEGA644PA-AU?
A: For any after-sales support or technical inquiries, including requests for datasheets or pin diagrams, please get in touch with us via email at [email protected].
Q: What can you tell me about Ovaga's quality assurance practices?
A: Ovaga is committed to maintaining the highest standards of quality. We are certified under ISO14001, ISO 9001, IATF16949, ISO13485, and DUNS standards by the Quality Systems Registrar. This certification signifies that our operational systems meet stringent international standards in quality management. Our compliance is regularly reviewed and tested to ensure ongoing adherence to these standards, affirming our commitment to quality and continuous improvement.
Q: What do the ISO, IATF, and DUNS certifications mean for customers of Ovaga?
A: Our ISO, IATF, and DUNS certifications assure customers that Ovaga operates systems that are both accurate and comprehensive, meeting the rigorous requirements of the ISO, IATF, and DUNS standards. This certification underscores our long-term commitment to continuous improvement across our operations. As a note to our customers, while we strive for accuracy in product data on our website, we recommend referring to the manufacturer's datasheet or catalog for confirmed product specifications before placing an order. If you identify any discrepancies, please get in touch with us immediately.
Part points
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The ATMEGA644PA-AU is a microcontroller chip from Atmel that features 64KB of flash memory, 4KB of SRAM, and 2KB of EEPROM. It has 32 general-purpose I/O pins and a wide range of communication interfaces, making it ideal for a variety of embedded applications.
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Equivalent
Some equivalent products of the ATMEGA644PA-AU chip include ATMEGA644P-20PU, ATMEGA644PA-MU, and ATMEGA644PA-AN. These chips are part of the same ATMEGA644 family and offer similar performance and features for various microcontroller applications. -
Features
ATMEGA644PA-AU is an 8-bit microcontroller with 64KB of Flash memory, 2KB of SRAM, and 512B of EEPROM. It has 32 I/O pins, 8-channel 10-bit ADC, and 4 PWM channels. It operates at a maximum frequency of 20MHz and has a wide operating voltage range of 1.8V to 5.5V. -
Pinout
The ATMEGA644PA-AU is a 44-pin microcontroller from Microchip. It has 32KB of flash memory, 2KB of SRAM, and 1KB of EEPROM. The pin count includes 32 GPIO pins, UART, SPI, I2C, ADC, and PWM. It is commonly used in embedded systems for various applications due to its versatile features and capabilities. -
Manufacturer
Microchip Technology Inc. is the manufacturer of the ATMEGA644PA-AU. It is an American semiconductor company specializing in the design and production of microcontrollers, analog and digital integrated circuits, and various other semiconductor products. -
Application Field
The ATmega644PA-AU microcontroller is commonly used in various applications such as industrial automation, robotics, remote monitoring systems, IoT devices, and control systems. It is ideal for projects requiring high-performance processing capabilities, multiple communication interfaces, and advanced features like analog-to-digital conversion and pulse-width modulation. -
Package
The ATMEGA644PA-AU chip comes in a 44-pin TQFP (Thin Quad Flat Package) package. It is in a surface mount form and has a size of 10mm x 10mm.
Assembly Advice
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