ATTINY44-20MUR
- Mfr.Part #
- ATTINY44-20MUR
- Manufacturer
- Atmel (Microchip Technology)
- Package / Case
- 20-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 4KB FLASH 20QFN
- Stock
- 5,265
- In Stock :
- 5,265
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- Manufacturer :
- Atmel (Microchip Technology)
- Product Category :
- Microcontrollers
- Operating Supply Voltage (Min) :
- 2.7(V)
- Manufacturer :
- Microchip
- Additional Feature :
- OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ
- Operating Temperature :
- -40°C~85°C TA
- Product Type :
- 8-bit Microcontrollers - MCU
- RoHS Status :
- ROHS3 Compliant
- Max Frequency :
- 20 MHz
- Radiation Hardening :
- No
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Speed :
- 20MHz
- Operating Temperature Classification :
- Industrial
- Contact Plating :
- Tin
- Device Core Size :
- 8(b)
- Power Supplies :
- 3/5V
- Number of Terminals :
- 20
- Number of I/O :
- 12
- Mount :
- Surface Mount
- Mounting :
- Surface Mount
- CPU Family :
- AVR RISC
- Package / Case :
- 20-WFQFN Exposed Pad
- Has ADC :
- yes
- Published :
- 1997
- Number of Timers/Counters :
- 2
- Package Shape :
- Square
- Min Supply Voltage :
- 2.7 V
- Memory Size :
- 4kB
- Max Operating Temperature :
- 85 °C
- Memory Type :
- Flash
- Number of Terminations :
- 20
- Factory Lead Time :
- 7 Weeks
- Supply Voltage :
- 5V
- Programmable :
- yes
- Device Core :
- AVR
- ROM (words) :
- 4096
- Core Architecture :
- AVR
- Pin Count :
- 20
- Interface Type :
- SPI
- EEPROM Size :
- 256 x 8
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Product Category :
- 8-bit Microcontrollers - MCU
- Interfaces :
- SPI
- DAC Channels :
- No
- Base Part Number :
- ATTINY44
- Frequency :
- 20MHz
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- DMA Channels :
- No
- Bit Size :
- 8
- Base Product Number :
- ATTINY44
- # I/Os (Max) :
- 12
- Data Converters :
- A/D 8x10b
- Terminal Pitch :
- 0.5mm
- Program Memory Size :
- 4KB 2K x 16
- Instruction Set Architecture :
- RISC
- Program Memory Type :
- Flash
- Max Supply Voltage :
- 5.5 V
- ROM Programmability :
- Flash
- Terminal Position :
- QUAD
- Qualification Status :
- Not Qualified
- Number of I/O Lines :
- 12
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Core Processor :
- AVR
- Data Converter :
- A/D 8x10b
- Width :
- 4 mm
- Total Internal Ram Size :
- 256B(kB)
- Supply Voltage-Max (Vsup) :
- 5.5V
- Supply Current-Max :
- 9 mA
- Reach Compliance Code :
- Compliant
- Packaging :
- Tape and Reel (TR)
- Terminal Finish :
- MATTE TIN
- Product :
- MCU
- Number of Pins :
- 20
- Data Bus Width :
- 8B
- Tradename :
- AVR
- Product Status :
- Active
- JESD-609 Code :
- e3
- Number of I/Os :
- 12
- Rad Hardened :
- No
- Operating Temperature (Max) :
- 85C
- Mounting Type :
- Surface Mount
- Peak Reflow Temperature (Cel) :
- 260
- Series :
- AVR® ATtiny
- Operating Supply Voltage (Typ) :
- 3.3/5(V)
- Min Operating Temperature :
- -40 °C
- Length :
- 4mm
- Operating Temperature (Min) :
- -40C
- RAM (bytes) :
- 256
- Schedule B :
- 8542310000, 8542310000/8542310000/8542310000/8542310000/8542310000
- RAM Size :
- 256 x 8
- Watchdog Timer :
- yes
- Number of Programmable I/O :
- 12
- Terminal Form :
- NO LEAD
- Surface Mount :
- yes
- Interface :
- SPI
- Core Size :
- 8-Bit
- Pbfree Code :
- yes
- Seated Height-Max :
- 0.8 mm
- RoHS :
- Details
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- JESD-30 Code :
- S-XQCC-N20
- Oscillator Type :
- Internal
- Connectivity :
- USI
- Brand :
- Microchip Technology
- PWM Channels :
- yes
- Temperature Grade :
- Industrial
- Height Seated (Max) :
- 0.8mm
- Package Type :
- WQFN EP
- Clock Freq :
- 20(MHz)
- Operating Temp Range :
- -40C to 85C
- Supply Voltage-Min (Vsup) :
- 4.5V
- Supplier Device Package :
- 20-QFN-EP (4x4)
- Mounting Style :
- SMD/SMT
- Number of Timers - General Purpose :
- 2
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Operating Supply Voltage (Max) :
- 5.5(V)
- Datasheets
- ATTINY44-20MUR
ATTINY44-20MUR Documents

Microcontrollers Atmel (Microchip Technology) ATTINY44-20MUR Overview
The Microcontrollers Atmel (Microchip Technology) ATTINY44-20MUR is a high-performance, low-power AVR 8-bit microcontroller that combines 4KB of in-system programmable flash memory. It features a versatile set of peripherals, robust I/O capabilities, and extensive interrupt and wake-up sources, all housed within a compact 20-lead QFN package. Designed to support complex digital control systems, this microcontroller is ideal for applications where space and power efficiency are crucial. Its high integration facilitates minimal external component count, enhancing reliability and reducing system cost, making it highly appealing for volume-driven B2B customers focused on both performance and budget.
ATTINY44-20MUR Features
The ATTINY44-20MUR microcontroller offers several key features that enhance its functionality in a wide range of applications. These include a 20 MHz internal oscillator, 256B EEPROM, and a 12-channel 10-bit A/D converter. Additional features such as two 8-bit timer/counters, a 16-bit timer/counter with PWM channels, and six general purpose I/O lines enable this IC to handle a variety of tasks efficiently. Power-saving features like multiple sleep modes and an adjustable system clock contribute to its effectiveness in energy-critical designs.
ATTINY44-20MUR Applications
- Consumer Electronics: The microcontroller can be embedded in products such as smart watches and remote controls, where its low power consumption and high functionality enhance product longevity and user experience.
- Industrial Control: In industrial environments, the ATTINY44-20MUR is used for controlling machinery, monitoring sensors, and managing automated processes, providing reliable operation under varying conditions.
- Home Automation: Ideal for smart home devices like thermostats and lighting systems, the microcontroller's small footprint and robust performance allow it to integrate smoothly into IoT solutions.
- Automotive Applications: Utilized in car accessory and control systems, where its robust operation and ability to withstand extreme conditions are crucial.
- Battery Management Systems: The ATTINY44-20MUR's power efficiency makes it suitable for applications requiring efficient power management and monitoring, such as in portable electronics.
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