Texas Instruments

SN74HCS251QDRQ1  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74HCS251QDRQ1 Description

The SN74HCS251QDRQ1 is a high-performance 1 x 8:1 data selector/multiplexer designed for automotive applications. Manufactured by Texas Instruments, this device is part of the 74HCS series and is optimized for reliable operation in demanding environments. The SN74HCS251QDRQ1 features a single supply voltage range of 2V to 6V, ensuring compatibility with a wide range of power sources. It is available in a surface-mount package, specifically in a tape and reel format (TR), which is ideal automated for assembly processes. The device is classified under ECCN EAR99 and HTSUS code 8542.39.0001, indicating its broad availability for international markets.

SN74HCS25Q1DRQ1 Features

• Automotive Grade: The SN74HCS251QDRQ1 is designed to meet the stringent requirements of automotive applications, ensuring robust performance and reliability in harsh conditions.
• 1 x 8:1 Multiplexing: This device can select one of eight input signals to be routed to a single output, making it highly versatile for applications requiring signal routing and selection.
• Single Supply Operation: With a supply voltage range of 2V to 6V, the SN74HCS251QDRQ1 offers flexibility in power source selection and is suitable for low-power applications.
• High Output Current Capability: The device handle can output currents of up to 7.8mA for both high and low states, ensuring stable performance even under load.
• Surface Mount Packaging: The surface-mount package format facilitates easy integration into modern PCB designs and supports automated manufacturing processes.
• Moisture Sensitivity Level (MSL) 1: The SN74HCS251QDRQ1 has an unlimited shelf life in non-hermetic packaging, reducing the of risk moisture-related issues during storage and assembly.

SN74HCS251QDRQ1 Applications

The SN74HCS251QDRQ1 is well-suited for a variety of automotive applications where signal selection and routing are critical. Some specific use cases include:

• Automotive Control Systems: In vehicle control units, the SN74HCS251QDRQ1 can efficiently manage multiple sensor inputs routing, the appropriate signal to the control logic.
• Infotainment Systems: For multimedia systems, the device can switch between different audio or video sources, ensuring seamless user experience.
• Safety Systems: In advanced driver-assistance systems (ADAS), the SN74HCS251QDRQ1 can handle the multiplexing of various sensor inputs, such as cameras and radar, to provide real-time data to the vehicle's safety algorithms.
• Telematics: The device can manage data from various telematics sensors, routing the necessary information to the vehicle's communication module.

Conclusion of SN74HCS251QDRQ1

The SN74HCS251QDRQ1 from Texas Instruments is a versatile and reliable data selector/multiplexer designed specifically for automotive applications. Its automotive grade construction, wide supply voltage range, and high output current capability make it an excellent choice for applications requiring robust signal routing and selection. The surface-mount package and moisture sensitivity level 1 ensure ease of integration and long-term reliability. Whether used in control systems, infotainment, safety systems, or telematics, the SN74HCS251QDRQ1 offers performance and reliability that meet the demands of modern automotive electronics.

SN74HCS251QDRQ1 Documents

Download datasheets and manufacturer documentation for SN74HCS251QDRQ1

Datasheets :

SN74HCS251-Q1