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