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ATMEGA16U4-AU
Microchip TechnologyRoHS 
RoHS compliant
RoHS compliantPackage 44-TQFP
Category Embedded - Microcontrollers / Embedded - Microcontrollers
Description
IC MCU 8BIT 16KB FLASH 44TQFP
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Inventory: 6205
Minimum: 1
Total Price: USD $19.3
Unit Price: USD $19.301056
≥1 USD $19.301056
≥10 USD $18.208542
≥100 USD $17.177865
≥500 USD $16.205529
≥1000 USD $15.288244
Technical Details
Supply Chain
Factory Lead Time 7 Weeks
Physical
Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-TQFP
Number of Pins 44
Dimensions
Height 1.05mm
Length 10mm
Width 10mm
Technical
Operating Temperature -40°C~85°C TA
Packaging Tray
Published 2005
Series AVR? ATmega
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
Termination SMD/SMT
Additional Feature ALSO OPERATES AT 8 MHZ WITH A MINIMUM SUPPLY OF 2.7V
Subcategory Microcontrollers
Technology CMOS
Terminal Position QUAD
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch 0.8mm
Frequency 16MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number ATMEGA16U4
Interface I2C, I2S, SPI, UART, USART, USB
Memory Size 16kB
Oscillator Type Internal
Number of I/O 26
RAM Size 1.25K x 8
Voltage - Supply (Vcc/Vdd) 2.7V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
Core Processor AVR
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Program Memory Type FLASH
Core Size 8-Bit
Program Memory Size 16KB 8K x 16
Connectivity I2C, SPI, UART/USART, USB
Bit Size 8
Data Converter A/D 12x10b
Watchdog Timer Yes
Has ADC YES
DMA Channels NO
Data Bus Width 8b
Number of Timers/Counters 5
Density 128 kb
EEPROM Size 512 x 8
Number of ADC Channels 12
Number of PWM Channels 14
Number of I2C Channels 1
Compliance
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Alternative Model
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