Factory Lead Time  

10 Weeks

Contact Plating  

Tin

Mount  

Surface Mount

Mounting Type  

Surface Mount

Package / Case  

44-VFQFN Exposed Pad

Number of Pins  

44

Data Converters  

A/D 12x10b

Number of I/Os  

26

ROM(word)  

8192

Watchdog Timers  

Yes

Operating Temperature  

-40°C~85°C TA

Packaging  

Tray

Series  

AVR® ATmega

Published  

2005

Pbfree Code  

yes

Part Status  

Active

Moisture Sensitivity Level (MSL)  

3 (168 Hours)

Number of Terminations  

44

Additional Feature  

ALSO OPERATES AT 8 MHZ WITH A MINIMUM SUPPLY OF 2.7V

Terminal Position  

QUAD

Supply Voltage  

5V

Frequency  

16MHz

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

PWM Channels  

YES

DAC Channels  

NO

Number of Timers/Counters  

5

EEPROM Size  

512 x 8

Length  

7mm

Height Seated (Max)  

0.9mm

Radiation Hardening  

No

RoHS Status  

ROHS3 Compliant

Lead Free  

Lead Free