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

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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