Datasheet Microchip ATtiny44A

ManufacturerMicrochip
SeriesATtiny44A

The high-performance Microchip picoPower 8-bit AVR RISC-based microcontroller combines 4KB ISP flash memory, 256-Byte EEPROM, 256B SRAM, 12 general purpose I/O lines, 32 general purpose working registers, an 8-bit timer/counter with two PWM channels, a 16-bit timer/counter with two PWM channels, internal and external interrupts, an 8-channel 10-bit A/D converter, programmable gain stage (1x, 20x) for 12 differential ADC channel pairs, programmable watchdog timer with internal oscillator, internal calibrated oscillator, and four software selectable power saving modes

Datasheets

Datasheet ATtiny24A, ATtiny44A. Appendix A. Specification at 105°C
PDF, 3.3 Mb, File published: Aug 1, 2011, Pages: 60
8-bit Microcontroller with 2K/4K Bytes In-System Programmable Flash
Extract from the document
Datasheet ATtiny24A, ATtiny44A, ATtiny84A. Appendix B. Specification at 125°C
PDF, 4.5 Mb, File published: Oct 1, 2013, Pages: 85
8-bit AVR Microcontroller with 2K/4K/8K Bytes In-System Programmable Flash
Extract from the document
Datasheet ATtiny24A, ATtiny44A, ATtiny84A. Complete
PDF, 9.6 Mb, File published: Jun 1, 2012, Pages: 286
8-bit Microcontroller with 2K/4K/8K Bytes In-System Programmable Flash
Extract from the document
Datasheet Datasheet ATtiny24A, ATtiny44A, ATtiny84A. Summary
PDF, 707 Kb, File published: Jun 1, 2012, Pages: 22
8-bit Microcontroller with 2K/4K/8K Bytes In-System Programmable Flash
Extract from the document

Prices

Packaging

ATTINY44A-CCUATTINY44A-CCURATTINY44A-MFATTINY44A-MFRATTINY44A-MMHATTINY44A-MMHRATTINY44A-MUATTINY44A-MURATTINY44A-PUATTINY44A-SSFATTINY44A-SSFRATTINY44A-SSNATTINY44A-SSNRATTINY44A-SSUATTINY44A-SSUR
N123456789101112131415
PackageUFBGAUFBGAWQFNWQFNVQFNVQFNWQFNWQFNPDIPSOICSOICSOICSOICSOICSOIC

Parametrics

Parameters / ModelsATTINY44A-CCUATTINY44A-CCURATTINY44A-MFATTINY44A-MFRATTINY44A-MMHATTINY44A-MMHRATTINY44A-MUATTINY44A-MURATTINY44A-PUATTINY44A-SSFATTINY44A-SSFRATTINY44A-SSNATTINY44A-SSNRATTINY44A-SSUATTINY44A-SSUR
ADC Input888888888888888
ADC with ComputationNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo
Angular TimerNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo
Architecture888888888888888
CPU Type8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR
CRCNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo
Class B HardwareNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo
Emulated EEPROM in Flash256256256256256256256256256256256256256256256
High Voltage CapableNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo
I2C111111111111111
Internal OscillatorYesYesYesYesYesYesYesYesYesYesYesYesYesYesYes
Internal Voltage Reference, BandgapYesYesYesYesYesYesYesYesYesYesYesYesYesYesYes
Lead Count151520202020202014141414141414
Math AcceleratorNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo
Max 16-Bit Digital Timers111111111111111
Max 8-Bit Digital Timers111111111111111
Max ADC Resolution, Bits101010101010101010101010101010
Max CPU Speed, MHz202020202020202020202020202020
Max PWM outputs, including complementary444444444444444
Number of Comparators111111111111111
Operation Voltage Max, V5.55.55.55.55.55.55.55.55.55.55.55.55.55.55.5
Operation Voltage Min, V1.81.81.81.81.81.81.81.81.81.81.81.81.81.81.8
Package Width3x3x0.6mm3x3x0.6mm4x4x0.8mm4x4x0.8mm3x3x0.85mm3x3x0.85mm4x4x0.8mm4x4x0.8mm.300in.150In(3.90mm).150In(3.90mm).150In(3.90mm).150In(3.90mm).150In(3.90mm).150In(3.90mm)
Peripheral Pin Select / Pin MuxingNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo
Pin count141414141414141414141414141414
Program Memory Size, KB444444444444444
SPI111111111111111
SRAM, Bytes256256256256256256256256256256256256256256256
Temp Range Max858585858585858585858585858585
Temp Range Min-40-40-40-40-40-40-40-40-40-40-40-40-40-40-40
Zero Cross detectNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo

Other Options

ATtiny24A ATtiny84A

Model Line

Manufacturer's Classification

  • Microcontrollers > 8-bit Microcontrollers