ATTINY43U-MUR
- Mfr.Part #
- ATTINY43U-MUR
- Manufacturer
- Microchip Technology
- Package / Case
- 20-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 4KB FLASH 20QFN
- Stock
- 2,226
- In Stock :
- 2,226
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Interface :
- SPI
- Base Part Number :
- ATtiny43
- Product Type :
- 8-bit Microcontrollers - MCU
- Operating Temperature :
- -40°C~85°C TA
- Terminal Form :
- NO LEAD
- Max Frequency :
- 8 MHz
- RoHS Status :
- ROHS3 Compliant
- Device Core :
- AVR
- Bit Size :
- 8
- Mounting Type :
- Surface Mount
- Number of Terminations :
- 20
- CPU Family :
- AVR RISC
- Core Processor :
- AVR
- Has ADC :
- yes
- RoHS :
- Compliant
- Number of I/Os :
- 11
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Package Shape :
- Square
- JESD-30 Code :
- S-PQCC-N20
- Speed :
- 8 MHz
- Max Supply Voltage :
- 5.5 V
- Program Memory Size :
- 4KB 2K x 16
- RAM Size :
- 256 x 8
- Manufacturer :
- Microchip
- Pbfree Code :
- yes
- Memory Size :
- 4kB
- Factory Lead Time :
- 7 Weeks
- Number of I/O Lines :
- 16
- Data Converters :
- A/D 4x10b
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Connectivity :
- USI
- Core Architecture :
- AVR
- Reach Compliance Code :
- Compliant
- ROM (words) :
- 2048
- Base Product Number :
- ATtiny43
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Max Operating Temperature :
- 85 °C
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Frequency :
- 4MHz
- Length :
- 4 mm
- Min Operating Temperature :
- -40 °C
- Number of I/O :
- 16
- Number of Timers/Counters :
- 2
- Supply Current-Max :
- 7 mA
- Min Supply Voltage :
- 2.7 V
- PWM Channels :
- yes
- Supplier Device Package :
- 20-QFN-EP (4x4)
- Program Memory Type :
- Flash
- Product :
- MCU
- RAM (bytes) :
- 256
- EEPROM Size :
- 64 x 8
- Terminal Pitch :
- 0.5mm
- Tradename :
- AVR
- Product Status :
- Active
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Packaging :
- Tape and Reel (TR)
- Mount :
- Surface Mount
- Core Size :
- 8-Bit
- Oscillator Type :
- Internal
- Surface Mount :
- yes
- Terminal Position :
- QUAD
- Interfaces :
- SPI/USI
- Data Bus Width :
- 8B
- Product Category :
- 8-bit Microcontrollers - MCU
- ROM Programmability :
- Flash
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Memory Type :
- Flash
- Data Converter :
- A/D 4x10b
- Published :
- 1997
- Number of Terminals :
- 20
- Number of Pins :
- 20
- Width :
- 4 mm
- DMA Channels :
- No
- Power Supplies :
- 2/5 V
- Brand :
- Microchip Technology
- Number of Programmable I/O :
- 16
- Package / Case :
- 20-WFQFN Exposed Pad
- Mounting Style :
- SMD/SMT
- Series :
- AVR® ATtiny
- Temperature Grade :
- Industrial
- Qualification Status :
- Not Qualified
- Datasheets
- ATTINY43U-MUR

Microcontrollers Microchip Technology ATTINY43U-MUR Overview
The ATTINY43U-MUR from Microchip Technology is a robust microcontroller designed to offer an efficient balance between performance and power consumption in a compact 20QFN package. This 8-bit MCU is built on Microchip's high-performance AVR architecture, known for its exceptional reliability and advanced features in a small footprint. With 4KB of integrated flash memory, it provides ample space for application code and data storage, making it a versatile choice for designers looking to optimize their embedded systems. This product integrates well into various applications, ensuring both scalability and ease of integration for high-volume deployments in industrial and consumer electronics markets.
ATTINY43U-MUR Features
The ATTINY43U-MUR microcontroller offers several key features that make it a preferred option for complex electronic designs. These include 4KB of flash memory, a wide operating voltage range of 1.8V to 5.5V, and high energy efficiency. Additionally, it supports multiple programmable I/O lines, which are crucial for system scalability and integration flexibility. Its enhanced RISC architecture allows for fast processing and supports efficient power management modes, which are vital for battery-operated devices.
ATTINY43U-MUR Applications
- Wearable Devices: Utilizes its low power consumption for extended battery life and its compact size for minimalist design footprints, making it ideal for fitness trackers and smart watches.
- Home Automation Systems: Its multiple I/O options enable connectivity and control of various sensors and actuators, essential for smart thermostats, lighting systems, and security devices.
- Consumer Electronics: Provides the core processing power for portable gadgets, such as handheld gaming devices and personal media players, leveraging its efficient processing capabilities and robust flash memory.
- Industrial Monitoring Equipment: Fits perfectly in applications requiring long-term reliability and operational stability, such as in condition monitoring sensors and industrial control systems.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















