Factory Lead Time  

7 Weeks

Contact Plating  

Gold

Mount  

Surface Mount

Mounting Type  

Surface Mount

Package / Case  

20-VFQFN Exposed Pad

Number of Pins  

20

Data Converters  

A/D 8x10b

Number of I/Os  

12

ROM(word)  

4096

Watchdog Timers  

Yes

Operating Temperature  

-40°C~85°C TA

Packaging  

Tray

Series  

AVR® ATtiny

Published  

1997

JESD-609 Code  

e4

Pbfree Code  

yes

Part Status  

Active

Moisture Sensitivity Level (MSL)  

3 (168 Hours)

Number of Terminations  

20

Termination  

SMD/SMT

Terminal Position  

QUAD

Peak Reflow Temperature (Cel)  

260

Supply Voltage  

5V

Terminal Pitch  

0.45mm

Frequency  

20MHz

Time@Peak Reflow Temperature-Max (s)  

40

Base Part Number  

ATTINY44A

Supply Voltage-Max (Vsup)  

5.5V

Supply Voltage-Min (Vsup)  

4.5V

Interface  

SPI

Memory Size  

4kB

Oscillator Type  

Internal

RAM Size  

256 x 8

Voltage - Supply (Vcc/Vdd)  

1.8V~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  

4KB 2K x 16

Connectivity  

USI

Bit Size  

8

Has ADC  

YES

DMA Channels  

NO

Data Bus Width  

8b

PWM Channels  

YES

Number of Timers/Counters  

2

Density  

32 kb

EEPROM Size  

256 x 8

Number of ADC Channels  

8

Number of I2C Channels  

1

Height  

380μm

Length  

3.1mm

Width  

3.1mm

REACH SVHC  

No SVHC

Radiation Hardening  

No

RoHS Status  

ROHS3 Compliant