ATTINY44-20MU
- Mfr.Part #
- ATTINY44-20MU
- Manufacturer
- Microchip Technology
- Package / Case
- 20-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 4KB FLASH 20QFN
- Stock
- 14,561
- In Stock :
- 14,561
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- RAM Size :
- 256 x 8
- ROM Programmability :
- Flash
- Surface Mount :
- yes
- Supply Voltage-Min (Vsup) :
- 4.5V
- Memory Size :
- 4kB
- Supply Current-Max :
- 9 mA
- Connectivity :
- USI
- Packaging :
- Tape and Reel (TR)
- Series :
- AVR® ATtiny
- Data Bus Width :
- 8B
- Operating Supply Voltage (Min) :
- 2.7(V)
- Supply Voltage-Max (Vsup) :
- 5.5V
- CPU Family :
- AVR RISC
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Max Frequency :
- 20 MHz
- Reach Compliance Code :
- Compliant
- Supply Voltage :
- 5V
- Terminal Form :
- NO LEAD
- Schedule B :
- 8542310000, 8542310000/8542310000/8542310000/8542310000/8542310000
- Number of Timers/Counters :
- 2
- Time@Peak Reflow Temperature-Max (s) :
- 40
- JESD-30 Code :
- S-XQCC-N20
- Max Supply Voltage :
- 5.5 V
- Manufacturer :
- Microchip
- Product :
- MCU
- Number of I/O :
- 12
- Min Operating Temperature :
- -40 °C
- Core Processor :
- AVR
- RAM (bytes) :
- 256
- Product Status :
- Active
- Contact Plating :
- Tin
- Rad Hardened :
- No
- Height Seated (Max) :
- 0.8mm
- Memory Type :
- Flash
- Instruction Set Architecture :
- RISC
- Number of Pins :
- 20
- Device Core :
- AVR
- Number of Programmable I/O :
- 12
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Factory Lead Time :
- 7 Weeks
- Number of I/Os :
- 12
- Mounting Type :
- Surface Mount
- DMA Channels :
- No
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Interfaces :
- SPI
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Operating Supply Voltage (Max) :
- 5.5(V)
- Brand :
- Microchip Technology
- Package Type :
- WQFN EP
- Base Part Number :
- ATTINY44
- Power Supplies :
- 3/5V
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Product Category :
- 8-bit Microcontrollers - MCU
- Qualification Status :
- Not Qualified
- Frequency :
- 20MHz
- Mounting Style :
- SMD/SMT
- Base Product Number :
- ATTINY44
- Tradename :
- AVR
- Product Type :
- 8-bit Microcontrollers - MCU
- RoHS Status :
- ROHS3 Compliant
- Operating Temperature Classification :
- Industrial
- EEPROM Size :
- 256 x 8
- Core Architecture :
- AVR
- Terminal Position :
- QUAD
- JESD-609 Code :
- e3
- Speed :
- 20MHz
- Data Converter :
- A/D 8x10b
- Oscillator Type :
- Internal
- Core Size :
- 8-Bit
- Peak Reflow Temperature (Cel) :
- 260
- Pin Count :
- 20
- Watchdog Timer :
- yes
- Clock Freq :
- 20(MHz)
- Temperature Grade :
- Industrial
- Bit Size :
- 8
- Min Supply Voltage :
- 2.7 V
- Operating Temperature :
- -40°C~85°C TA
- RoHS :
- Details
- Program Memory Type :
- Flash
- Program Memory Size :
- 4KB 2K x 16
- Has ADC :
- yes
- Operating Temperature (Min) :
- -40C
- ROM (words) :
- 4096
- Published :
- 1997
- Interface Type :
- SPI
- Mounting :
- Surface Mount
- Operating Temperature (Max) :
- 85C
- Number of Timers - General Purpose :
- 2
- Package Shape :
- Square
- Pbfree Code :
- yes
- Total Internal Ram Size :
- 256B(kB)
- Seated Height-Max :
- 0.8 mm
- Programmable :
- yes
- Terminal Pitch :
- 0.5mm
- Mount :
- Surface Mount
- Number of Terminals :
- 20
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- DAC Channels :
- No
- PWM Channels :
- yes
- Data Converters :
- A/D 8x10b
- Terminal Finish :
- MATTE TIN
- Width :
- 4 mm
- Supplier Device Package :
- 20-QFN-EP (4x4)
- Operating Temp Range :
- -40C to 85C
- Additional Feature :
- OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ
- Device Core Size :
- 8(b)
- Operating Supply Voltage (Typ) :
- 3.3/5(V)
- Radiation Hardening :
- No
- Package / Case :
- 20-WFQFN Exposed Pad
- Interface :
- SPI
- Number of Terminations :
- 20
- Max Operating Temperature :
- 85 °C
- Number of I/O Lines :
- 12
- # I/Os (Max) :
- 12
- Length :
- 4mm
- Datasheets
- ATTINY44-20MU
ATTINY44-20MU Documents

Microcontrollers Microchip Technology ATTINY44-20MU Overview
The Microcontrollers Microchip Technology ATTINY44-20MU is a highly versatile and efficient microcontroller, designed by Microchip Technology to cater to the demanding needs of modern embedded systems. With a robust 8-bit AVR architecture, this MCU offers 4KB of flash memory, encapsulated in a compact 20QFN package. Its low power consumption and high performance capabilities make it an ideal choice for applications requiring size efficiency and precise control. The integration of advanced features like high-speed PWM, analog comparators, and multiple communication interfaces enhances its functionality, making it a top pick for designers looking to develop sophisticated yet compact devices.
ATTINY44-20MU Features
This microcontroller supports a wide voltage range and includes power-saving features such as Power-down and Standby modes. It boasts a 10-bit ADC, enhancing its ability to perform in sensor-based applications by providing accurate sensor readings and data acquisition capabilities. Furthermore, the ATTINY44-20MU is equipped with internal and external interrupt capabilities, a USART interface for serial communication, and up to 12 programmable I/O lines, allowing for flexible device control and easy integration into existing systems.
ATTINY44-20MU Applications
- Smart Home Devices: Utilized for controlling lighting systems, HVAC units, and other home automation elements through its GPIOs and PWM output for enhanced energy management.
- Wearable Electronics: Perfect for integration in wearable health monitoring devices due to its compact size and low power consumption, enabling long battery life in applications such as fitness trackers and smart watches.
- Industrial Automation: Plays a critical role in automation controllers, sensor hubs, and small actuators, providing reliable operation in harsh environments with its robust design and multiple communication interfaces.
- Automotive Applications: Suitable for automotive subsystems like battery management and dashboard controls, where its robustness and extended temperature range are vital for vehicle performance and safety.
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