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