What is the Additional Feature ?

Name: ATMEGA644A-PU
Brand: Microchip Technology
SKU: ATMEGA644A-PU
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

Cart ( )

lmages are for reference only See Product Specifications

Microchip Technology ATMEGA644A-PU

Part No.:: ATMEGA644A-PU

Manufacturer:: Microchip Technology

Package:: 40-DIP (0.600", 15.24mm)

Datasheet:: ATMEGA644A-PU.pdf

Description:: IC MCU 8BIT 64KB FLASH 40DIP

In Stock:: 188

Quantity:: Add To Cart

For more detailed including pricing and shipping

: Quick response, quick quotation

: Flash shipment, no worries after sales

: Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Purchase and inquiry

ATMEGA644A-PU Specifications

Package/Case:
40-DIP (0.600", 15.24mm)
Packaging:
Tube
Series:
AVR® ATmega
RoHS:
RoHS
Speed:
20MHz
RAM Size:
4K x 8
Core Size:
8-Bit
EEPROM Size:
2K x 8
Part Status:
Active
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:
I²C, SPI, UART/USART
Mounting Type:
Through Hole
Number of I/O:
32
Core Processor:
AVR
Data Converters:
A/D 8x10b
Oscillator Type:
Internal
Program Memory Size:
64KB (32K x 16)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

ATMEGA644A-PU this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ATMEGA644A-PU price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for ATMEGA644A-PU to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

Purchase in icwhale.com

There is no doubt that you may place an order without registering to icwhale.com.

We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

Means of Payment in icwhale.com

For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

RFQ (Request for Quotations) in icwhale.com

It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

Our sales will reply to your request by email within 24 hours.

Warm reminder

1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping & Handling

Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

Order Tracking for International Orders

Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

ATMEGA644A-PU information

Views：

Common technical challenges and solutions when using ATMEGA644A-PU

ATMEGA644A-PU is a microcontroller known for its versatility and performance, commonly used in various embedded applications. It features an 8-bit AVR CPU, multiple I/O ports, and efficient power consumption.

Technical Challenges:

1. Noise Issues:

Noise can significantly affect the performance of ATMEGA644A-PU, especially in analog signal processing applications.

Solution:

- Use decoupling capacitors (0.1µF and 10µF) close to the power pins to filter out high-frequency noise.

- Implement proper grounding techniques and minimize the length of analog signal traces.

- Use shielding for sensitive analog components to protect them from electromagnetic interference.

2. Power Consumption:

Optimizing power consumption is crucial for battery-operated devices using ATMEGA644A-PU.

Solution:

- Utilize the sleep modes provided by this microcontroller to reduce power usage during idle periods.

- Optimize the clock speed to balance performance and power consumption.

- Use low-power peripherals and components to further minimize power draw.

3. Integration Complexity:

Integrating ATMEGA644A-PU into a system can be complex due to the need for external components and proper interfacing.

Solution:

- Utilize libraries and development tools that simplify interfacing with external peripherals.

- Follow the recommended PCB layout guidelines to ensure reliable connections and signal integrity.

- Test and validate each module of the system separately before full integration to identify and resolve issues early.

Considerations:

When working with ATMEGA644A-PU, consider the following:

- Ensure robust power supply design to handle varying loads and minimize noise.

- Implement proper signal conditioning for both digital and analog signals to ensure accurate and reliable operation.

- Plan for thermal management if the system operates in high-temperature environments to avoid overheating.

- Design with future scalability in mind, allowing for easy upgrades or modifications to the system.

ATMEGA644A-PU FAQ

1. How to order ATMEGA644A-PU on icwhale.com?

Currently, icwhale.com 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 icwhale.com 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 icwhale.com; 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