Microchip Technology, Inc. Microcontrollers ATMEGA16U4-MU

IC MCU 8BIT 16KB FLASH 44VQFN

Manufacturer: Microchip Technology
Win Source Part Number: 145129-ATMEGA16U4-MU
Packaging: Tray
Core Processor: AVR
Number of I/O: 26
Program Memory Size: 16KB (8K x 16)
Program Memory Type: FLASH
EEPROM Size: 512 x 8
Data Converters: A/D 12x10b
Family Name: ATMEGA16U4
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 44-QFN (7x7)
Speed(Frequency): 16MHz
Supply Voltage - Operating: 2.7 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 1.25K x 8
Alternative Parts (Cross-Reference): ATmega16U4-AUR; ATmega16U4-AU; ATmega16U4-MUR;
Introduction Date: March 06, 2008
ECCN: EAR99
Country of Origin: Philippines, Thailand
Estimated EOL Date: 2026
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 58 pct.
Supply and Demand Status: Balance

AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 16KB (8K x 16) FLASH 44-VQFN (7x7)

IC MCU 8BIT 16KB FLASH 44VQFN Product overview: ATMEGA16U4-MU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 16KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 16KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ATMEGA16U4-MU can be used for catalog matching and distributor lookup.