ATTINY43U-SUR
- Mfr.Part #
- ATTINY43U-SUR
- Manufacturer
- Microchip Technology
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC MCU 8BIT 4KB FLASH 20SOIC
- Stock
- 3,084
- In Stock :
- 3,084
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Number of Terminations :
- 20
- ROM (words) :
- 2048
- Base Part Number :
- ATtiny43
- Packaging :
- Tape and Reel (TR)
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Oscillator Type :
- Internal
- Max Supply Voltage :
- 5.5 V
- Supply Voltage :
- 3V
- Bit Size :
- 8
- Number of I/O :
- 16
- Mounting Style :
- SMD/SMT
- Product :
- MCU
- EEPROM Size :
- 64 x 8
- Base Product Number :
- ATtiny43
- Frequency :
- 8MHz
- Number of I/O Lines :
- 16
- Max Operating Temperature :
- 85 °C
- Supplier Device Package :
- 20-SOIC
- Min Operating Temperature :
- -40 °C
- Number of Timers/Counters :
- 2
- DMA Channels :
- No
- Terminal Position :
- Dual
- Speed :
- 8MHz
- Number of Terminals :
- 20
- Published :
- 1997
- Tradename :
- AVR
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Program Memory Size :
- 4KB 2K x 16
- Mounting Type :
- Surface Mount
- Interface :
- SPI
- Power Supplies :
- 2/5 V
- RAM Size :
- 256 x 8
- Number of Programmable I/O :
- 16
- RoHS Status :
- ROHS3 Compliant
- Terminal Form :
- Gull wing
- Number of I/Os :
- 5
- CPU Family :
- AVR RISC
- Surface Mount :
- yes
- Supply Voltage-Max (Vsup) :
- 5.5V
- Reach Compliance Code :
- Compliant
- Max Frequency :
- 8 MHz
- PWM Channels :
- yes
- ROM Programmability :
- Flash
- Qualification Status :
- Not Qualified
- Core Architecture :
- AVR
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Minimum Operating Temperature :
- - 40 C
- Terminal Pitch :
- 1.27 mm
- Min Supply Voltage :
- 2.7 V
- Memory Size :
- 1.8kB
- Temperature Grade :
- Industrial
- Operating Temperature :
- -40°C~85°C TA
- Maximum Operating Temperature :
- + 85 C
- Product Type :
- 8-bit Microcontrollers - MCU
- RAM (bytes) :
- 256
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Data Converters :
- A/D 4x10b
- Core Size :
- 8-Bit
- Product Status :
- Active
- Memory Type :
- Flash
- Manufacturer :
- Microchip
- Pbfree Code :
- yes
- Program Memory Type :
- Flash
- Has ADC :
- yes
- Connectivity :
- USI
- Data Converter :
- A/D 4x10b
- Product Category :
- 8-bit Microcontrollers - MCU
- Length :
- 12.8 mm
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Factory Lead Time :
- 4 Weeks
- Supply Current-Max :
- 7 mA
- Width :
- 7.5 mm
- Package Shape :
- RECTANGULAR
- Series :
- AVR® ATtiny
- Number of Pins :
- 20
- JESD-30 Code :
- R-PDSO-G20
- Core Processor :
- AVR
- Data Bus Width :
- 8B
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- RoHS :
- Compliant
- Brand :
- Microchip Technology
- Datasheets
- ATTINY43U-SUR

Microcontrollers Microchip Technology ATTINY43U-SUR Overview
The Microcontrollers Microchip Technology ATTINY43U-SUR, manufactured by Microchip Technology, is a high-performance, low-power AVR® 8-bit microcontroller that combines 4KB of programmable flash memory, 256 bytes of RAM, and 256 bytes of EEPROM in a compact 20-SOIC package. This microcontroller is designed for efficiency and versatility, making it an ideal solution for developers looking to create scalable embedded applications. The ATTINY43U-SUR operates between 1.8-5.5 volts, supporting a wide range of applications from battery-operated devices to industrial controls, offering not only power efficiency but also robustness in demanding environments.
ATTINY43U-SUR Features
The ATTINY43U-SUR boasts an array of features suitable for a diverse range of applications. These include its 10-bit ADC with 11 channels, providing accurate analog to digital conversion; a programmable watchdog timer for system stability; and up to six PWM channels for precise control over motor and light dimming functions. Its high integration allows engineers to minimize external components, reducing system costs and complexity. Moreover, its enhanced power management capabilities ensure optimal consumption across varying operating conditions.
ATTINY43U-SUR Applications
- Consumer Electronics: Utilized in smart home devices, like smart thermostats and lighting systems, where its PWM channels offer precise control over lighting levels and energy management.
- Automotive: Applied in automotive subsystems, such as climate control and dashboard interfaces, leveraging its robust operation range and multiple I/O options.
- Industrial Control: Employed in monitoring sensors and controlling actuators in industrial environments, using its ADC for sensor data integration and flash memory for robust program storage.
- Wearable Technology: Integrated into wearable fitness trackers, where its low power consumption and small form factor are critical for device longevity and comfort.
- Medical Devices: Used in portable medical diagnostics equipment, benefiting from its high reliability and support for complex algorithm implementations necessary for patient monitoring.
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