ATTINY44A-MFR
- Mfr.Part #
- ATTINY44A-MFR
- Manufacturer
- Microchip Technology
- Package / Case
- 20-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 4KB FLASH 20QFN
- Stock
- 47,919
- In Stock :
- 47,919
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- RAM Size :
- 256 x 8
- Height :
- 0.8 mm
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- PWM Channels :
- yes
- JESD-30 Code :
- S-PQCC-N20
- Number of I/O :
- 12
- Terminal Form :
- NO LEAD
- Memory Size :
- 4kB
- RoHS Status :
- ROHS3 Compliant
- Series :
- AVR® ATtiny
- Length :
- 4mm
- Mount :
- Surface Mount
- Supply Voltage :
- 5V
- Packaging :
- Tape and Reel (TR)
- ROM (words) :
- 4096
- Product Category :
- 8-bit Microcontrollers - MCU
- Has ADC :
- yes
- Interface Type :
- SPI, USI
- DMA Channels :
- No
- Program Memory Type :
- Flash
- Data Converter :
- A/D 8x10b
- Data Converters :
- A/D 8x10b
- RAM (bytes) :
- 256
- Data Bus Width :
- 8B
- JESD-609 Code :
- e3
- Supply Voltage-Max (Vsup) :
- 5.5V
- EEPROM Size :
- 256 x 8
- Base Part Number :
- ATTINY44A
- Qualification Status :
- Not Qualified
- Published :
- 1997
- DAC Channels :
- No
- Supply Voltage-Min (Vsup) :
- 4.5V
- Temperature Grade :
- Automotive
- Core Processor :
- AVR
- Speed :
- 20MHz
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Base Product Number :
- ATTINY44
- Height Seated (Max) :
- 0.8mm
- Operating Temperature :
- -40°C~125°C TA
- Supplier Device Package :
- 20-QFN-EP (4x4)
- Supply Current-Max :
- 7 mA
- Bit Size :
- 8
- Terminal Position :
- QUAD
- External Data Bus Width :
- 8
- Tradename :
- AVR
- Terminal Pitch :
- 0.5mm
- Number of Timers/Counters :
- 2
- Number of I/Os :
- 12 I/O
- Interface :
- SPI
- Reach Compliance Code :
- Compliant
- Brand :
- Microchip Technology
- Connectivity :
- USI
- Manufacturer :
- Microchip
- Minimum Operating Temperature :
- - 40 C
- Package Shape :
- Square
- Additional Feature :
- ALSO OPERATES 1.8 V MINIMUM SUPPLY AT 4 MHZ
- Surface Mount :
- yes
- Product Status :
- Active
- Number of Terminations :
- 20
- Frequency :
- 20MHz
- Number of I/O Lines :
- 12
- Core Size :
- 8-Bit
- Power Supplies :
- 2/5 V
- ROM Programmability :
- Flash
- CPU Family :
- AVR RISC
- Mounting Type :
- Surface Mount
- Watchdog Timer :
- yes
- Package / Case :
- 20-WFQFN Exposed Pad
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Seated Height-Max :
- 0.8 mm
- RoHS :
- Details
- Pbfree Code :
- yes
- Device Core :
- AVR
- Number of Terminals :
- 20
- Mounting Style :
- SMD/SMT
- Contact Plating :
- Tin
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Program Memory Size :
- 4KB 2K x 16
- Width :
- 4 mm
- Maximum Operating Temperature :
- + 125 C
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Number of Pins :
- 20
- Factory Lead Time :
- 7 Weeks
- Oscillator Type :
- Internal
- Product :
- MCU
- Terminal Finish :
- MATTE TIN
- Interfaces :
- SPI
- Product Type :
- 8-bit Microcontrollers - MCU
- Datasheets
- ATTINY44A-MFR

Microcontrollers Microchip Technology ATTINY44A-MFR Overview
The ATTINY44A-MFR by Microchip Technology is a robust microcontroller unit (MCU) from the popular ATtiny family, designed to deliver high performance in compact, power-sensitive applications. Integrating 4KB of flash memory in a 20QFN package, this device is tailored for efficient handling of complex digital operations with minimal power consumption and space requirements. The Microcontrollers Microchip Technology ATTINY44A-MFR excels in environments where size and power efficiency are critical, making it an ideal choice for the embedded systems market.
ATTINY44A-MFR Features
This microcontroller features an 8-bit AVR processor, providing a perfect balance of power and performance for handling sophisticated tasks. With 4KB of ISP flash memory and a 512-Byte SRAM, it allows for flexible and fast read/write operations. The device operates between 1.8-5.5 volts, supporting a wide range of power supplies and environments. Additional features include 12 general purpose I/O lines, internal and external interrupts, a 10-bit analog-to-digital converter, and multiple power-saving modes, which collectively enhance its utility in developing advanced applications.
ATTINY44A-MFR Applications
- Smart Home Devices: Utilizes its low power consumption and high integration to operate effectively in smart sensors and control systems, facilitating automated home management.
- Battery-Operated Devices: Perfect for use in portable gadgets due to its energy efficiency and small form factor, extending battery life while maintaining functionality.
- Consumer Electronics: Employs its 10-bit ADC and multiple I/Os in consumer electronics, such as gaming peripherals, to enhance user interaction through advanced control mechanisms.
- Wearable Technology: Ideal for wearables due to its miniature size and low voltage requirement, ensuring long-lasting operation in compact devices.
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