ATTINY45-20MUR
- Mfr.Part #
- ATTINY45-20MUR
- Manufacturer
- Atmel (Microchip Technology)
- Package / Case
- 20-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 4KB FLASH 20QFN
- Stock
- 2,417
- In Stock :
- 2,417
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- Manufacturer :
- Atmel (Microchip Technology)
- Product Category :
- Microcontrollers
- Terminal Finish :
- MATTE TIN
- Data Converter :
- A/D 4x10b
- JESD-30 Code :
- S-PQCC-N20
- Mount :
- Surface Mount
- Manufacturer :
- Microchip
- Width :
- 4 mm
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ
- Number of I/O Lines :
- 6
- Product Status :
- Active
- Oscillator Type :
- Internal
- Supplier Device Package :
- 20-QFN-EP (4x4)
- Surface Mount :
- yes
- Length :
- 4mm
- Mounting Style :
- SMD/SMT
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Number of Terminals :
- 20
- Product Category :
- 8-bit Microcontrollers - MCU
- Terminal Form :
- NO LEAD
- Program Memory Size :
- 4KB 2K x 16
- Terminal Position :
- QUAD
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Brand :
- Microchip Technology
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Contact Plating :
- Tin
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Watchdog Timer :
- yes
- Lead Free :
- Lead Free
- PWM Channels :
- yes
- Height :
- 0.75 mm
- Terminal Pitch :
- 0.5mm
- RoHS Status :
- ROHS3 Compliant
- DAC Channels :
- No
- Tradename :
- AVR
- Bit Size :
- 8
- Maximum Operating Temperature :
- + 85 C
- Operating Temperature :
- -40°C~85°C TA
- Supply Voltage :
- 5V
- Frequency :
- 20MHz
- Connectivity :
- USI
- Data Bus Width :
- 8B
- Packaging :
- Tape and Reel (TR)
- ROM Programmability :
- Flash
- Number of Timers/Counters :
- 2
- Number of Terminations :
- 20
- Base Part Number :
- ATTINY45
- Package Shape :
- Square
- RAM Size :
- 256 x 8
- Number of Pins :
- 20
- Package / Case :
- 20-WFQFN Exposed Pad
- Supply Voltage-Min (Vsup) :
- 4.5V
- Power Supplies :
- 3/5V
- Core Size :
- 8-Bit
- Core Processor :
- AVR
- RoHS :
- Details
- DMA Channels :
- No
- Minimum Operating Temperature :
- - 40 C
- Mounting Type :
- Surface Mount
- JESD-609 Code :
- e3
- Device Core :
- AVR
- Seated Height-Max :
- 0.8 mm
- EEPROM Size :
- 256 x 8
- CPU Family :
- AVR RISC
- Memory Size :
- 4kB
- Speed :
- 20MHz
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Interfaces :
- SPI/USI
- Program Memory Type :
- Flash
- Interface :
- SPI
- Number of I/O :
- 6
- Has ADC :
- yes
- Temperature Grade :
- Industrial
- Base Product Number :
- ATTINY45
- Qualification Status :
- Not Qualified
- Published :
- 1997
- Product Type :
- 8-bit Microcontrollers - MCU
- Factory Lead Time :
- 7 Weeks
- Height Seated (Max) :
- 0.8mm
- Series :
- AVR® ATtiny
- ROM (words) :
- 4096
- RAM (bytes) :
- 256
- Data Converters :
- A/D 4x10b
- Product :
- MCU
- Supply Voltage-Max (Vsup) :
- 5.5V
- Pbfree Code :
- yes
- Reach Compliance Code :
- Compliant
- Supply Current-Max :
- 8 mA
- Datasheets
- ATTINY45-20MUR
ATTINY45-20MUR Documents

Microcontrollers Atmel (Microchip Technology) ATTINY45-20MUR Overview
The Microcontrollers Atmel (Microchip Technology) ATTINY45-20MUR is a high-performance, low-power AVR 8-bit microcontroller that combines 4KB ISP flash memory with read-while-write capabilities, 256B EEPROM, 256B SRAM, and a 10-bit A/D converter. Designed for flexibility and efficiency, this MCU operates between 2.7-5.5V. It is housed in a compact 20-QFN package, making it ideal for applications where space is at a premium and power efficiency is crucial. The ATTINY45-20MUR supports a variety of clock sources, providing options for different power consumption and processing speed needs, making it a versatile choice for a broad range of microcontroller applications.
ATTINY45-20MUR Features
- High-performance, low-power Atmel® AVR® 8-bit microcontroller
- Advanced RISC architecture with 120 powerful instructions
- 4KB in-system programmable flash, 256B EEPROM, 256B SRAM
- 10-bit Analog-to-Digital Converter
- Multiple programmable I/O lines
- Operating Voltage: 2.7-5.5V
- Package: 20-QFN
- Power-saving sleep modes
- Internal calibrated oscillator
ATTINY45-20MUR Applications
- Consumer Electronics: Used in small home appliances and wearables for efficient power management and compact form factor.
- System Management Controllers: Ideal for power management, sensor reading, and system control in more complex devices.
- Automotive Applications: Suitable for sensor management and low-level device control in vehicles.
- DIY Projects: Perfect for hobbyists and educational purposes due to its ease of programming and versatile features.
- Smart Lighting Systems: Controls lighting intensity and color mixing in smart lighting solutions.
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