ATTINY45-20MU
- Mfr.Part #
- ATTINY45-20MU
- Manufacturer
- Microchip Technology
- Package / Case
- 20-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 4KB FLASH 20QFN
- Stock
- 3,635
- In Stock :
- 3,635
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Family Name :
- ATTINY45
- Data Converter :
- A/D 4x10b
- Dimensions :
- 4 x 4 x 0.75mm
- Terminal Pitch :
- 0.5mm
- Width :
- 4mm
- Qualification Status :
- Not Qualified
- Power Supplies :
- 3/5V
- ROM Programmability :
- Flash
- Mounting Type :
- Surface Mount
- Mount :
- Surface Mount
- Typical Operating Supply Voltage :
- 2.7 → 5.5 V
- RoHS :
- Details
- Has ADC :
- yes
- Supply Current-Max :
- 8 mA
- REACH SVHC :
- No SVHC
- RAM (bytes) :
- 256
- DMA Channels :
- No
- Number of ADC Channels :
- 4
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Core Size :
- 8-Bit
- Memory Size :
- 1.5kB
- Product Type :
- 8-bit Microcontrollers - MCU
- Product :
- MCU
- Pin Count :
- 20
- Connectivity :
- USI
- EEPROM Size :
- 256 x 8
- Number of I/Os :
- 6 I/O
- Lead Free :
- Lead Free
- Interface Type :
- USI
- Package Type :
- QFN/MLF
- Product Status :
- Active
- Length :
- 4mm
- Number of I2C Channels :
- 1
- Number of Timers/Counters :
- 2 Timer
- Terminal Position :
- QUAD
- Terminal Finish :
- MATTE TIN
- DAC Channels :
- No
- CPU Family :
- AVR RISC
- Height :
- 800μm
- Supply Voltage-Max (Vsup) :
- 5.5V
- Number of I/O :
- 6
- Operating Temperature :
- -40°C~85°C TA
- Minimum Operating Temperature :
- -40 °C
- Supply Voltage :
- 5V
- Terminal Form :
- NO LEAD
- Published :
- 2011
- Maximum Operating Temperature :
- +85 °C
- Instruction Set Architecture :
- RISC
- Interface :
- SPI
- Product Category :
- 8-bit Microcontrollers - MCU
- Frequency :
- 8MHz
- Seated Height-Max :
- 0.8 mm
- Package / Case :
- 20-WFQFN Exposed Pad
- PWM Channels :
- yes
- Brand :
- Microchip Technology / Atmel
- Speed :
- 20MHz
- RAM Size :
- 256 x 8
- Program Memory Type :
- Flash
- Base Part Number :
- ATTINY45
- Reach Compliance Code :
- Compliant
- Number of Pins :
- 20
- Interfaces :
- SPI/USI
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Packaging :
- Tray
- JESD-30 Code :
- S-PQCC-N20
- Oscillator Type :
- Internal
- Program Memory Size :
- 4KB 2K x 16
- Manufacturer :
- Microchip
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Mounting Style :
- SMD/SMT
- Access Time :
- 20 μs
- Number of PWM Channels :
- 2
- Pbfree Code :
- yes
- Core Processor :
- AVR
- Watchdog Timer :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- Device Core :
- AVR
- Package :
- Tray
- Contact Plating :
- Tin
- JESD-609 Code :
- e3
- Supplier Device Package :
- 20-QFN-EP (4x4)
- Bit Size :
- 8
- Temperature Grade :
- Industrial
- ROM (words) :
- 4096
- Number of Terminals :
- 20
- Factory Lead Time :
- 3 Weeks
- Base Product Number :
- ATTINY45
- RoHS Status :
- ROHS3 Compliant
- Data Bus Width :
- 8B
- Package Shape :
- Square
- Tradename :
- AVR
- Series :
- AVR® ATtiny
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ
- Data Converters :
- A/D 4x10b
- Surface Mount :
- yes
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Number of Terminations :
- 20
- Number of I/O Lines :
- 6
- Datasheets
- ATTINY45-20MU

Microcontrollers Microchip Technology ATTINY45-20MU Overview
The Microcontrollers Microchip Technology ATTINY45-20MU is a robust 8-bit microcontroller unit (MCU) from Microchip Technology, designed to provide an optimal solution for sophisticated yet cost-sensitive applications. Embedded with 4KB of flash memory, this highly efficient MCU operates at 20 MHz and is housed in a compact 20QFN package, making it ideal for space-constrained applications. Known for its low power consumption and high performance, the ATTINY45-20MU is a versatile chip that integrates advanced features to meet the needs of modern embedded systems.
ATTINY45-20MU Features
This microcontroller boasts a range of features designed for versatility and efficiency in complex environments. Key attributes include an advanced RISC architecture that enhances processing speed and efficiency. It supports up to six programmable I/O lines, which are crucial for system expansion and integration. Furthermore, the device includes an ADC (Analog to Digital Converter) with up to four channels, enhancing its ability to interact with analog signals. The ATTINY45-20MU also offers various programmable power-down modes, which significantly reduce power consumption, extending the battery life of portable devices.
ATTINY45-20MU Applications
- Consumer Electronics: Utilized in devices like smart home gadgets and personal health monitors, where its compact size and energy efficiency are critical.
- Industrial Automation: Plays a pivotal role in automation controllers and sensors, contributing to more reliable and efficient monitoring and control systems.
- Automotive Applications: Employed in automotive subsystems for enhancing features such as lighting control and battery management, where reliability and low power consumption are paramount.
- Wearable Technology: Ideal for integration into wearable devices, such as fitness trackers and smart watches, due to its small footprint and low power requirements.
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