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

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.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















