ATTINY84A-MU
- Mfr.Part #
- ATTINY84A-MU
- Manufacturer
- Microchip Technology
- Package / Case
- 20-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 20QFN
- Stock
- 66,851
- In Stock :
- 66,851
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- DMA Channels :
- No
- REACH SVHC :
- No SVHC
- External Data Bus Width :
- 8
- ROM (words) :
- 8192
- RoHS :
- Compliant
- Height :
- 200μm
- Number of ADC Channels :
- 8
- Qualification :
- -
- Product :
- MCU
- Lead Free :
- Lead Free
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Packaging :
- Tray
- Max Operating Temperature :
- 85 °C
- Package :
- Tray
- Frequency :
- 20MHz
- Terminal Finish :
- MATTE TIN
- Width :
- 4mm
- RAM (bytes) :
- 512
- Supply Voltage-Min (Vsup) :
- 4.5V
- Additional Feature :
- ALSO OPERATES 1.8 V MINIMUM SUPPLY AT 4 MHZ
- Interface Type :
- SPI, USI
- Qualification Status :
- Not Qualified
- Mount :
- Surface Mount
- Manufacturer :
- Microchip
- Supplier Device Package :
- 20-QFN-EP (4x4)
- Published :
- 1997
- Number of Terminals :
- 20
- Series :
- AVR® ATtiny
- Max Frequency :
- 20 MHz
- Interfaces :
- SPI
- RAM Size :
- 512 x 8
- Pbfree Code :
- yes
- ROM Programmability :
- Flash
- Package / Case :
- 20-WFQFN Exposed Pad
- Minimum Operating Temperature :
- - 40 C
- Terminal Position :
- QUAD
- JESD-609 Code :
- e3
- Schedule B :
- 8542310000, 8542310000/8542310000, 8542310000/8542310000/8542310000, 8542310000/8542310000/8542310000/8542310000
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Number of I/Os :
- 12
- Product Status :
- Active
- Data Bus Width :
- 8B
- Memory Size :
- 8kB
- DAC Channels :
- No
- Base Part Number :
- ATTINY84A
- Min Supply Voltage :
- 1.8 V
- Length :
- 4mm
- Seated Height-Max :
- 0.8 mm
- Number of SPI Channels :
- 2
- Package Shape :
- Square
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Product Type :
- 8-bit Microcontrollers - MCU
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- JESD-30 Code :
- S-PQCC-N20
- Watchdog Timer :
- yes
- Number of PWM Channels :
- 2
- Min Operating Temperature :
- -40 °C
- Operating Temperature :
- -40°C~85°C TA
- Contact Plating :
- Gold
- Base Product Number :
- ATTINY84
- Mounting Style :
- SMD/SMT
- Memory Type :
- Flash
- Speed :
- 20MHz
- Peak Reflow Temperature (Cel) :
- 260
- Number of Programmable I/O :
- 12
- Oscillator Type :
- Internal
- MSL :
- -
- Tradename :
- AVR
- CPU Family :
- AVR RISC
- Supply Voltage-Max (Vsup) :
- 5.5V
- Data Converters :
- A/D 8x10b
- Core Architecture :
- AVR
- Factory Lead Time :
- 7 Weeks
- Supply Current-Max :
- 7 mA
- Number of I/O :
- 12
- EEPROM Size :
- 512 x 8
- Number of I2C Channels :
- 1
- Number of Timers/Counters :
- 2
- RoHS Status :
- ROHS3 Compliant
- Connectivity :
- USI
- Power Supplies :
- 2/5 V
- Device Core :
- AVR
- Reach Compliance Code :
- Compliant
- Core Processor :
- AVR
- Product Category :
- 8-bit Microcontrollers - MCU
- Terminal Pitch :
- 0.5mm
- Supply Voltage :
- 5V
- Number of Terminations :
- 20
- Maximum Operating Temperature :
- + 85 C
- Mounting Type :
- Surface Mount
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Temperature Grade :
- Industrial
- Program Memory Type :
- Flash
- PWM Channels :
- yes
- Interface :
- SPI
- Core Size :
- 8-Bit
- Program Memory Size :
- 8KB 4K x 16
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Number of Pins :
- 20
- Brand :
- Microchip Technology / Atmel
- Terminal Form :
- NO LEAD
- Has ADC :
- yes
- Number of I/O Lines :
- 12
- Bit Size :
- 8
- Max Supply Voltage :
- 5.5 V
- Surface Mount :
- yes
- Data Converter :
- A/D 8x10b
- Datasheets
- ATTINY84A-MU
ATTINY84A-MU Documents

Microcontrollers Microchip Technology ATTINY84A-MU Overview
The Microcontrollers Microchip Technology ATTINY84A-MU is a high-performance, low-power AVR® microcontroller that combines 8KB ISP flash memory with read-while-write capabilities, 512B EEPROM, and 512B SRAM. This compact 20QFN packaged MCU operates between 1.8-5.5 volts, making it ideal for applications requiring efficiency and reliability in a small footprint. Its enhanced features and versatility in handling various tasks make it a prime choice for advanced embedded system applications, where space and power consumption are critical parameters.
ATTINY84A-MU Features
This microcontroller includes a variety of features that enhance its utility and robustness in complex digital environments. Key features include an 8-bit processor with up to 20 MHz clock speed, 12 programmable I/O lines, and an internal oscillator. It also supports multiple programming and interface options, including SPI, I2C, and USART interfaces, which are essential for building interconnected systems. The device's robust safety features, such as brown-out detection and a watchdog timer, ensure reliable operation under varying conditions.
ATTINY84A-MU Applications
- Smart Home Devices: Easily integrates into home automation systems, providing control logic for devices like smart thermostats and lighting systems.
- Battery Management: Utilized in battery-powered devices for efficient power management and extending the battery life of portable devices.
- Wearable Technology: Serves as a core component in wearables, managing sensors and user interface components while optimizing power consumption.
- DIY Hobby Projects: Ideal for hobbyists creating custom electronics due to its ease of programming and versatile feature set.
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