Factory Lead Time  

7 Weeks

Contact Plating  

Tin

Mount  

Surface Mount

Mounting Type  

Surface Mount

Package / Case  

44-TQFP

Number of Pins  

44

Data Converters  

A/D 12x10b

Number of I/Os  

26

Watchdog Timers  

Yes

Operating Temperature  

-40°C~85°C TA

Packaging  

Tray

Series  

AVR® ATmega

Published  

2005

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

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

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

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

Height  

1.05mm

Length  

10mm

Width  

10mm

REACH SVHC  

No SVHC

Radiation Hardening  

No

RoHS Status  

ROHS3 Compliant