ATMEGA16U4-AU
8-bit Microcontroller with 16K Flash, 1K EEPROM, and 2.5K SRAM
Inventory:6,969
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
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Part Number : ATMEGA16U4-AU
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Package/Case : TQFP-44
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Manufacturer : Microchip Technology
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Components Classification : Microcontrollers
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Datesheet : ATMEGA16U4-AU DataSheet (PDF)
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Series : ATMEGA16U4
The ATMEGA16U4-AU is a high-performance, low-power 8-bit microcontroller based on the AVR enhanced RISC architecture. It features 16KB of programmable flash memory, 1KB of EEPROM, 512B of SRAM, and a USB controller. This microcontroller is designed for a wide range of applications, including USB peripherals, industrial control systems, and more. (Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.) Include a circuit diagram illustrating the connections and operation of the ATMEGA16U4-AU microcontroller for a visual representation. Note: For detailed technical specifications, please refer to the ATMEGA16U4-AU datasheet. Functionality The ATMEGA16U4-AU is a versatile microcontroller with 16KB of flash memory, USB connectivity, and low-power capabilities. It provides reliable computing and control functionality for a wide range of applications. Usage Guide Q: What is the maximum operating frequency of the ATMEGA16U4-AU? Q: Is the ATMEGA16U4-AU compatible with 5V power supplies? For similar functionalities, consider these alternatives to the ATMEGA16U4-AU:Overview of ATMEGA16U4-AU
Pinout
Circuit Diagram
Key Features
Application
Frequently Asked Questions
A: The ATMEGA16U4-AU can operate at a maximum frequency of X MHz.
A: Yes, the ATMEGA16U4-AU can be powered with a 5V supply voltage.Equivalent
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category | 8-bit Microcontrollers - MCU | RoHS | Details |
Core | AVR | Program Memory Size | 16 kB |
Data RAM Size | 1.25 kB | Package / Case | TQFP-44 |
Maximum Clock Frequency | 16 MHz | ADC Resolution | 10 bit |
Number of I/Os | 26 I/O | Supply Voltage - Min | 2.7 V |
Supply Voltage - Max | 5.5 V | Mounting Style | SMD/SMT |
Data Bus Width | 8 bit | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature | + 85 C | Series | ATmega16U4 |
Brand | Microchip Technology | Data RAM Type | SRAM |
Data ROM Size | 512 B | Data ROM Type | EEPROM |
Height | 1.05 mm | Interface Type | SPI, TWI, USART |
Length | 10 mm | Moisture Sensitive | Yes |
Number of ADC Channels | 12 Channel | Number of Timers/Counters | 5 Timer |
Processor Series | megaAVR | Product | MCUs |
Product Type | 8-bit Microcontrollers - MCU | Program Memory Type | Flash |
Factory Pack Quantity | 160 | Subcategory | Microcontrollers - MCU |
Tradename | AVR | Width | 10 mm |
Unit Weight | 0.017637 oz |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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ATMEGA16U4-AU
8-bit Microcontroller with 16K Flash, 1K EEPROM, and 2.5K SRAM
Inventory:
6,969
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




