Datasheets
ATMEGA16U4-AU by:
Microchip Technology Inc
Atmel Corporation
Microchip Technology Inc
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IC MCU 8BIT 16KB FLASH 44TQFP

Part Details for ATMEGA16U4-AU by Microchip Technology Inc

Results Overview of ATMEGA16U4-AU by Microchip Technology Inc

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Applications Education and Research Aerospace and Defense Agriculture Technology Robotics and Drones

ATMEGA16U4-AU Information

ATMEGA16U4-AU by Microchip Technology Inc is a Microcontroller.
Microcontrollers are under the broader part category of Microcontrollers and Processors.

Microcontrollers (MCUs) are small, low-power integrated circuits used to control embedded systems. Microcontrollers are primarily used to automate and control devices. Read more about Microcontrollers and Processors on our Microcontrollers and Processors part category page.

Price & Stock for ATMEGA16U4-AU

Part # Distributor Description Stock Price Buy
DISTI # 68T2602
Newark Microcontroller Mcu, 8 Bit, Megaavr, 16Mhz, Tqfp-44, Product Range:Avr Atmega Family Atmega16 Serie... s Microcontrollers, Architecture:Megaavr, Mcu Core Size:8Bit, Program Memory Size:16Kb, Ram Memory Size:2.5Kb, Cpu Speed:16Mhz Rohs Compliant: Yes |Microchip ATMEGA16U4-AU more RoHS: Compliant Min Qty: 160 Package Multiple: 1 Date Code: 0 Container: Bulk 0
  • 100 $4.4100
$4.4100 Buy Now
DISTI # ATMEGA16U4-AU-ND
DigiKey IC MCU 8BIT 16KB FLASH 44TQFP Min Qty: 1 Lead time: 4 Weeks Container: Tray 305
In Stock
  • 1 $5.1700
  • 25 $4.7200
  • 100 $4.2800
$4.2800 / $5.1700 Buy Now
DISTI # ATMEGA16U4-AU
Avnet Americas MCU 8-bit ATmega AVR RISC 16KB Flash 3.3V/5V 44-Pin TQFP - Trays (Alt: ATMEGA16U4-AU) RoHS: Compliant Min Qty: 160 Package Multiple: 160 Lead time: 4 Weeks, 0 Days Container: Tray 0
  • 160 $4.4444
  • 320 $4.4078
  • 640 $4.3713
  • 960 $4.3349
  • 1,280 $4.2985
$4.2985 / $4.4444 Buy Now
DISTI # 556-ATMEGA16U4-AU
Mouser Electronics 8-bit Microcontrollers - MCU 16K Flsh, 1K EEPROM 2.5K SRAM RoHS: Compliant 164
  • 1 $5.1700
  • 25 $4.6300
  • 100 $4.2700
  • 250 $4.2600
$4.2600 / $5.1700 Buy Now
DISTI # ATMEGA16U4-AU
Microchip Technology Inc AVR USB 16K FLASH QFN, TQFP, Projected EOL: 2039-11-04 RoHS: Compliant Lead time: 28 Weeks, 0 Days Container: Tray 4049

Alternates Available
  • 1 $5.1700
  • 25 $4.7200
  • 100 $4.2800
  • 1,000 $3.9500
  • 5,000 $3.7500
$3.7500 / $5.1700 Buy Now
Future Electronics   RoHS: Compliant pbFree: Yes Min Qty: 160 Package Multiple: 160 0
  • 160 $4.5500
$4.5500 Buy Now
Onlinecomponents.com MCU - 8-bit AVR RISC - 16KB Flash - 3.3V/5V - 44-Pin TQFP - Tray RoHS: Compliant 640 In Stock
4000 Factory Stock
  • 5 $5.3300
  • 25 $4.4600
  • 160 $4.1800
  • 320 $4.1500
  • 640 $4.1300
$4.1300 / $5.3300 Buy Now
NAC AVR USB 16K FLASH QFN - Package: 44 TQFP 10x10x1mm TRAY RoHS: Compliant Min Qty: 160 Package Multiple: 160 Container: Tray 0
  • 1 $5.3500
  • 100 $4.8500
  • 500 $4.5500
  • 1,000 $4.4400
$4.4400 / $5.3500 Buy Now
DISTI # ATMEGA16U4-AU
Avnet Silica MCU 8bit ATmega AVR RISC 16KB Flash 33V5V 44Pin TQFP (Alt: ATMEGA16U4-AU) RoHS: Compliant Min Qty: 160 Package Multiple: 160 Lead time: 6 Weeks, 0 Days Silica - 0
Buy Now
DISTI # ATMEGA16U4-AU
EBV Elektronik MCU 8bit ATmega AVR RISC 16KB Flash 33V5V 44Pin TQFP (Alt: ATMEGA16U4-AU) RoHS: Compliant Min Qty: 160 Package Multiple: 160 Lead time: 5 Weeks, 0 Days EBV - 0
Buy Now
Master Electronics MCU - 8-bit AVR RISC - 16KB Flash - 3.3V/5V - 44-Pin TQFP - Tray RoHS: Compliant 640 In Stock
4000 Factory Stock
  • 5 $5.3300
  • 25 $4.4600
  • 160 $4.1800
  • 320 $4.1500
  • 640 $4.1300
$4.1300 / $5.3300 Buy Now
Win Source Electronics IC MCU 8BIT 16KB FLASH 44TQFP 1800
  • 6 $9.6126
  • 13 $7.8873
  • 20 $7.6408
  • 28 $7.3944
  • 35 $7.1479
  • 47 $6.4084
$6.4084 / $9.6126 Buy Now

Part Details for ATMEGA16U4-AU

ATMEGA16U4-AU CAD Models

ATMEGA16U4-AU Part Data Attributes

ATMEGA16U4-AU Microchip Technology Inc
Buy Now Datasheet
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ATMEGA16U4-AU Microchip Technology Inc IC MCU 8BIT 16KB FLASH 44TQFP
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer MICROCHIP TECHNOLOGY INC
Package Description 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, PLASTIC, TQFP-44
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.31.00.01
Factory Lead Time 9 Weeks
Samacsys Manufacturer Microchip
Has ADC YES
Additional Feature OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHz
Address Bus Width
Bit Size 8
Boundary Scan YES
CPU Family AVR RISC
Clock Frequency-Max 16 MHz
DAC Channels NO
DMA Channels NO
External Data Bus Width
Format FIXED POINT
Integrated Cache NO
JESD-30 Code S-PQFP-G44
JESD-609 Code e3
Length 10 mm
Low Power Mode YES
Moisture Sensitivity Level 3
Number of I/O Lines 26
Number of Serial I/Os 1
Number of Terminals 44
Number of Timers 4
On Chip Data RAM Width 8
On Chip Program ROM Width 8
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
PWM Channels YES
Package Body Material PLASTIC/EPOXY
Package Code TQFP
Package Equivalence Code TQFP44,.39SQ,31
Package Shape SQUARE
Package Style FLATPACK, THIN PROFILE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
RAM (bytes) 2560
ROM (words) 16384
ROM Programmability FLASH
Seated Height-Max 1.2 mm
Speed 16 MHz
Supply Voltage-Max 5.5 V
Supply Voltage-Min 5 V
Supply Voltage-Nom 5 V
Surface Mount YES
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 0.8 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 40
Width 10 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC

Alternate Parts for ATMEGA16U4-AU

This table gives cross-reference parts and alternative options found for ATMEGA16U4-AU. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of ATMEGA16U4-AU, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
ATMEGA16U4-AUR Microchip Technology Inc Check for Price IC MCU 8BIT 16KB FLASH 44TQFP ATMEGA16U4-AU vs ATMEGA16U4-AUR
Part Number Manufacturer Composite Price Description Compare
ATMEGA16U4-AU Atmel Corporation Check for Price RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP44, 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, PLASTIC, TQFP-44 ATMEGA16U4-AU vs ATMEGA16U4-AU

ATMEGA16U4-AU Related Parts

ATMEGA16U4-AU Frequently Asked Questions (FAQ)

  • The maximum clock frequency for the ATMEGA16U4-AU is 16 MHz.

  • The ATMEGA16U4-AU has 16 KB of flash memory.

  • Yes, the ATMEGA16U4-AU has a built-in USB controller and can be used for USB applications.

  • The operating voltage range for the ATMEGA16U4-AU is 2.7V to 5.5V.

  • Yes, the ATMEGA16U4-AU has 512 bytes of built-in EEPROM.