ATMEGA16U4-AU Price & Stock
- 4 Star
- AAAChips
- AAComp
- ACDS
- ACME
- AIChipLink
- AllChip Elec
- Allelco
- AmpleChip
- Ande Elec
- AnLin
- Anterwell
- Anywayele
- APS
- Ariat
- Asen Elec
- Atosn
- ATP
- Augswan
- Au Ling
- Avnat
- AxisPart
- Besen Tech
- Best Comp
- Braveelec
- Brilltron
- CGOC
- Chipinventory
- ChipOne
- Chipsea
- ChipSource
- Chips Pulse
- Chuangxinda
- Classic
- CompExpert
- ComS.I.T.
- Conevo
- Conrad
- C Plus
- Cytech
- Dasenic
- Dechoele
- Depu
- DGT Tech
- Direct Components
- DREAMland
- Drex Elec
- Dxway
- Dynamic-sl
- Ea-chip
- EASEV
- Element14apac
- Errebi
- Ersa
- ESource
- Farnell
- FirstChoice
- Flip
- FlyWing
- Fmall
- FPGAMALL
- Freelance
- Geefook
- GlobalTek
- Grand power
- GreenChips
- Green Light
- Greentree
- Handtmann
- Hansinfo
- HaoDe
- Heisener
- HeQing
- Hongte
- HonourChip
- Hotenda
- IC Components
- Icgogogo
- Icmiles
- ICSOSO
- ITD-IC
- J2sourcing
- Jak
- Jameco
- JiaLiXin
- Jiayi
- Jietai
- Kaian
- Kepictronics
- KK Wisdom
- Klytech
- Kynix
- Lankamicro
- LCSC
- Lingto
- LIXINC
- Longzi
- Lvychips
- Macroship
- March-Tech
- Maritex
- Mars Elec
- Martec
- MetaverseIc
- MicrochipUSA
- Microsemi
- Midan
- Mouser
- MV Comp
- NAC
- Nantian
- NetSource
- Newark
- NewStrength
- Nexxon
- OMO
- OnlineCom
- Origin Data
- PESE
- Pneda
- PUI
- Quattro
- Quest
- Resion
- Rixin
- Rochester
- RS
- RS DE
- RYX IC
- Sense Elec
- Shengyu
- Sierra
- SiliTech
- Southernel
- Sunether
- SZ Comp
- TE
- Tech-Electr
- TME
- Unicom Elec
- Unikey
- Utmel
- Ventron
- Voyager Comp
- Walsoon
- WanWeiChip
- Weyland
- WinSource
- Worldway
- Xianghongli
- Xinghuan
- Xinvry
- Xunqida
- YIC
- YST Elec
- Yuanxinai
Hide
Manufacturer


Integrated Circuits (ICs) > Embedded - Microcontrollers
IC MCU 8BIT 16KB FLASH 44TQFP
Documents
Datasheet |
ATMEGA16U4-AU![]() |
Datasheet |
ATMEGA16U4-AU![]() |
Specifications
Series | AVR® ATmega |
Part Status | Active |
Core Processor | AVR |
Core Size | 8-Bit |
Speed | 16MHz |
Connectivity | I²C, SPI, UART/USART, USB |
Peripherals | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT |
Number of I/O | 26 |
Program Memory Size | 16KB (8K x 16) |
Program Memory Type | FLASH |
EEPROM Size | 512 x 8 |
RAM Size | 1.25K x 8 |
Voltage - Supply (Vcc/Vdd) | 2.7 V ~ 5.5 V |
Data Converters | A/D 12x10b |
Oscillator Type | Internal |
Operating Temperature | -40°C ~ 85°C (TA) |
Package / Case | 44-TQFP |
Supplier Device Package | 44-TQFP (10x10) |
Hide
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 1.75KB OTP 18DIP | 8930 |
|
Inquiry | |
ATMEGA16U4-AUR | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 2397 |
|
Inquiry |

Xinghuan International Trade Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | 42647 |
|
Inquiry |

ODG (Origin Data Global)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 2958 |
|
Buy |

Allelco Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP Integrated Circuits (ICs) > Embedded - Microcontrollers
|
6422 |
|
Inquiry | ||||||
ATMEGA16U4-AUR | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP Integrated Circuits (ICs) > Embedded - Microcontrollers
|
37886 |
|
Inquiry |

EA-chip Industry Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 2843 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 155 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | DC:Active ; - | 1346 |
|
Inquiry |

Shenzhen Dasenic Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP Integrated Circuits (ICs)>Embedded - Microcontrollers
|
12147 |
|
Buy |

Lingto Electronic Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | DC:24+ ; Original New | 37575 |
|
Inquiry |

Chip Source Co.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 47358 |
|
Inquiry | |
ATMEGA16U4-AUR | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 272642 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 1618 |
|
Inquiry |

Mouser
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATMEGA16U4-AU
sku #: 556-ATMEGA16U4-AU
|
Microchip Technology | 8-bit Microcontrollers - MCU 16K Flsh, 1K EEPROM 2.5K SRAM 8-bit Microcontrollers - MCU
|
74 In Stock |
|
Buy | ||||||||
ATMEGA16U4-AUR
sku #: 556-ATMEGA16U4-AUR
|
Microchip Technology | 8-bit Microcontrollers - MCU USB 16K FLASH 16 MHz 8-bit Microcontrollers - MCU
|
1457 In Stock |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip | AVR IC series 8- 16MHz 16KB(8K x 16) | In-Stock |
|
Inquiry |

Fmall Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 2140 |
|
Inquiry |

Microchip USA
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | Member of ERAI, GIDEP, & ITAR | ISO 9001, ISO 2001, ISO 14001 & AS9120 Certified ; Tray | 1211 |
|
Inquiry |

Heisener Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP Embedded - Microcontrollers
|
10901 |
|
Buy | |
ATMEGA16U4-AUR | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP Embedded - Microcontrollers
|
3127 |
|
Buy |

Weyland Electronics Group Pte. Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | ATMEL | MCU (MCU/MPU/SOC) MCU (MCU/MPU/SOC)
|
1850 |
|
Buy |

Lanka Micro Electronic Co.,Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 1095 |
|
Buy |

Hotenda Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Atmel | AVR AVR?? ATmega Microcontroller IC 8-Bit 16MHz 16KB (8K x 16) FLASH 44-TQFP (10x10) | 1544 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP Embedded - Microcontrollers
|
In-Stock |
|
Inquiry |

Cytech Systems Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | Available, Contact us | 320 |
|
Inquiry |

PNEDA Technology Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | 25216 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Micrel / Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP ; 44-TQFP (10x10) Embedded - Microcontrollers
|
Available |
|
Inquiry |

Geefook (Shenzhen) Electronic Co., Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | 35000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 2067 |
|
Inquiry |

Dechoele Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | 9284 |
|
Inquiry |

Axis Part Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | New Original,COC,ISO9001 | 8500 |
|
Inquiry |

DGT Technology (HK) Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Roving Networks / Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 10000 |
|
Inquiry |

Shenzhen Shengyu Electronics Tech Limited.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip | IC MCU 8BIT 16KB FLASH 44TQFP | 15743 |
|
Inquiry |

Hong Kong Brave Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | 44-TQFP | 42647 |
|
Inquiry |

Depu Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 25820 |
|
Inquiry |

Sunether Technology Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 391 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 1160 |
|
Inquiry | |
ATMEGA16U4-AUR | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 3000 |
|
Inquiry |

MountainView Components Inc.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | ATMEL | IN STOCK Immediate delivery | 247 |
|
Inquiry |

Ariat Technology
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Micrel / Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP New Original Stock.
|
2800 |
|
Inquiry |

Win Source
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||
---|---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 1800 |
|
Buy |

YIC International Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 2800 |
|
Inquiry |

Shenzhen Yuanxinai e-commerce Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology |
|
Inquiry |

RX Electronics Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATMEGA16U4-AU | Micrel / Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP Embedded - Microcontrollers
|
2050 |
|
Inquiry |

CenturyHonour Technology Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | ATMEL | 100000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | MICROCHIP | TQFP ; DC:22+ | 30000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | ATMEL | QFP44 ; DC:16+ | 56 |
|
Inquiry |

Avnat Group (Asia Pacific) Ltd.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | ATMEL/°®ÌØÃ·¶û | 939 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Atmel (Microchip Technology) | The parts are in stock | 8116 |
|
Inquiry | |
ATMEGA16U4-AUR | Micrel / Microchip Technology | The parts are in stock | 8038 |
|
Inquiry |

GlobalTek Components
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4AU | OEM/CM QUOTES ONLY | NO BROKERS | 5750 |
|
Inquiry |

Unicom Electronics co.
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | ATMEL | IN STOCK Immediate delivery | 697 |
|
Inquiry |

KaiLiYuan Electronic Technology (ShenZhen) Co., Ltd
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP ; DC:21+ ; 44-TQFP (10x10) | 111 |
|
Inquiry | |
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP ; DC:23+ | 25820 |
|
Inquiry | |
ATMEGA16U4-AU | ATMEL | DC:23+ ; QFP44 | 41 |
|
Inquiry |

IC Components Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 2800 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | ATMEL | Original stock,24-hour delivery | 1207 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology / Atmel | 8-bit Microcontrollers - MCU 16K Flsh, 1K EEPROM 2.5K SRAM | in stock |
|
Inquiry |

Ample Chip
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Roving Networks / Microchip Technology | IC MCU 8BIT 16KB FLASH 44TQFP | 26607 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | 0 |
|
Inquiry | |||
ATMEGA16U4AU | 0 |
|
Inquiry |

LIXINC Electronics Co., Limited
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Atmel | IC MCU 8BIT 16KB FLASH 44TQFP | 8513 |
|
Inquiry |

Nexxon, Inc. (USA)
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | In Stock |
|
Inquiry | ||
ATmega16U4-AU | ATMEL | In Stock |
|
Inquiry | ||
ATMEGA16U4-AU | Atmel | In Stock |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4AU
sku #: ATMEGA16U4AU
|
MICROCHIP | 2310 |
|
Inquiry |

Lvy Electronics
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | 2000 |
|
Inquiry | |||
ATMEGA16U4-AU | Microchip Technology | 2000 |
|
Inquiry |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Tech | In stock,ready for shipping ; TQFP-44_10x10x08P | 2750 |
|
Inquiry |

Farnell element14
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU
sku #: 1748521
|
Microchip Technology | Microchip Technology Technology - Mcu, 8Bit, Megaavr, 16Mhz, Tqfp-44 - Atmega16U4-Au |Microchip Technology Technology ATMEGA16U4-AU | out of stock |
|
Buy |

OnlineComponents
Certificates
Part # | Manufacturer | Description | Stock | Price | Buy | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATMEGA16U4-AU | Microchip Technology | MCU - 8-bit AVR RISC - 16KB Flash - 3.3V/5V - 44-Pin TQFP - Tray | 640 |
|
Buy |
Part # | Manufacturer | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
ATMEGA16U4-AU | ATMEL | QFP-44 ; DC:18+ | 30200 |
|
Inquiry |
See Also:
ATMEGA16U2-AU
ATMEGA16U4-MU
ATMEGA16U4-AUR
ATMEGA1609-AU
ATMEGA32U4-AU
ATMEGA1284-AU
ATMEGA169A-AU
ATMEGA164AAU
ATMEGA16-AU
ATMEGA16U4-MUR
ATMEGA1608-AU
ATMEGA168A-AU
ATMEGA16U2-MU
ATMEGA165A-AU
ATMEGA16M1-AU
ATMEGA16A-AU
ATMEGA64-AU
ATMEGA164A-AU
ATMEGA16U2-AUR
ATMEGA168PA-AU
ATMEGA16L-8AU
ATMEGA644A-AU
ATMEGA164A-PU
ATMEGA16A-MU
ATMEGA32U2-AU
ATMEGA16A-AUR
ATMEGA128L-AU
ATMEGA64-8AU
ATMEGA64AAU
ATMEGA1284P-AU
ATMEGA169A-MU
ATMEGA168A-MU
ATMEGA32U4-AUR
ATMEGA64A-AU
ATMEGA644P-AU
ATMEGA1281-AU
ATMEGA16-PU
ATMEGA644AAU
ATMEGA16AAU
ATMEGA164AMU
ATMEGA16216AU
ATMEGA164PAPU
ATMEGA16-8AU
ATMEGA32U4-MU
ATMEGA640-AU
ATMEGA1284-AUR
ATMEGA164PA-AU
ATMEGA162V-8AU
ATMEGA1284-MU
More »