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

Appendix A - ATtiny24A/44A specification at 105?C Datasheet
PDF, 3.3 Mb, File published: Aug 1, 2011
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Appendix B - ATtiny24A/44A/84A Specification at 125?C Datasheet
PDF, 4.5 Mb, File published: Oct 1, 2013
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ATtiny24A/44A/84A - Complete Datasheet
PDF, 9.6 Mb, File published: Jun 1, 2012
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ATtiny24A/44A/84A - Summary Datasheet
PDF, 707 Kb, File published: Jun 1, 2012
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Prices

Packaging

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