STMicroelectronics

ST2349AQTR

ST2349AQTR Description

The ST2349AQTR is a bidirectional voltage-level translator designed by STMicroelectronics, a leading semiconductor manufacturer known for its innovative and high-performance products. This IC is part of the ST2349 family and is housed in a 16-QFN package, making it suitable for surface-mount applications. Despite being marked as obsolete, the ST2349AQTR remains a robust choice for applications requiring reliable voltage-level translation.

ST2349AQTR Features

• Data Rate: The ST2349AQTR supports a data rate of up to 18 Mbps, ensuring efficient and high-speed signal transmission.
• Voltage Ranges: It operates with a VCCA voltage range of 1.65 V to 3.6 V and a VCCB voltage range of 1.8 V to 5.5 V, providing flexibility in interfacing different voltage levels.
• Bidirectional Channels: Each circuit features 4 bidirectional channels, allowing for versatile signal handling and reducing the need for multiple components.
• Compliance: The ST2349AQTR is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (unlimited), the component is suitable for a wide range of manufacturing environments without the risk of moisture-related damage.
• Packaging: Available in a tape and reel (TR) package, it is ideal for automated assembly processes.
• Translator Type: As a voltage-level translator, it efficiently converts signal levels between different voltage domains, ensuring compatibility and reliability in mixed-voltage systems.

ST2349AQTR Applications

The ST2349AQTR is ideal for applications where bidirectional signal translation is required between different voltage levels. Its high data rate and flexible voltage ranges make it suitable for:

• Digital Systems: Interfacing between low-voltage microcontrollers and higher voltage peripherals.
• Consumer Electronics: Enabling communication between various components within devices such as smartphones, tablets, and other consumer gadgets.
• Industrial Control Systems: Facilitating reliable signal transmission in environments with varying voltage levels.
• Automotive Electronics: Ensuring compatibility between different electronic control units (ECUs) within vehicles.

Conclusion of ST2349AQTR

The ST2349AQTR, despite being obsolete, stands out for its robust performance and versatile features. Its ability to handle bidirectional signals at high data rates and across a wide range of voltage levels makes it a reliable choice for various applications. The compliance with environmental and safety standards further enhances its suitability for modern electronics. While newer alternatives may exist, the ST2349AQTR remains a valuable component for engineers and designers looking for proven voltage-level translation solutions.