Texas Instruments

SN74HC251DR

SN74HC251DR Description

The SN74HC251DR is a high-performance, 1 x 8 multiplexer designed by Texas Instruments. It belongs to the 74HC series and is part of the Encoders, Decoders, Multiplexers & Demultiplexers category. This surface-mount device operates on a single supply voltage ranging from 2V to 6V, making it suitable for a wide range of applications. The SN74HC251DR is currently active and complies with the REACH and RoHS3 standards, ensuring environmental and health safety.

SN74HC251DR Features

• Technical Specifications:

  • Series: 74HC
  • Type: Multiplexer
  • Circuit: 1 x 8:1
  • Voltage - Supply: 2V ~ 6V
  • Current - Output High, Low: 7.8mA, 7.8mA
  • Moisture Sensitivity Level (MSL): 1 (Unlimited)
  • ECCN: EAR99
  • REACH Status: REACH Unaffected
  • RoHS Status: ROHS3 Compliant
  • Package: Tape & Reel (TR)
  • Mounting Type: Surface Mount
  • Voltage Supply Source: Single Supply
  • Independent Circuits: 1
  • Base Product Number: 74HC251

• Performance Benefits:

  • The SN74HC251DR offers high-speed operation and low power consumption, making it ideal for power-sensitive applications.
  • Its single supply voltage range allows for flexibility in design and compatibility with various power sources.
  • The device's surface-mount packaging enables compact and efficient PCB layouts.

• Unique Features and Advantages:

  • The SN74HC251DR stands out due to its ability to handle high input/output currents, providing robust performance in demanding applications.
  • Its single-supply operation simplifies power management and reduces component count, leading to cost savings and improved reliability.

SN74HC251DR Applications

The SN74HC251DR is ideal for various applications where signal selection and routing are required. Some specific use cases include:

1. Telecommunications: For selecting and routing signals in communication systems, such as multiplexing/demultiplexing data streams.
2. Automotive: In infotainment systems, the SN74HC251DR can be used to manage multiple audio/video sources.
3. Industrial Control Systems: For routing sensor data to microcontrollers or other processing units.
4. Medical Equipment: In patient monitoring systems, the device can be used to select and route signals from multiple sensors.

Conclusion of SN74HC251DR

The SN74HC251DR is a versatile and reliable 1 x 8 multiplexer that offers high performance, low power consumption, and a wide supply voltage range. Its unique features, such as high input/output currents and single-supply operation, make it an excellent choice for a variety of applications in telecommunications, automotive, industrial control systems, and medical equipment. With its compliance to REACH and RoHS3 standards, the SN74HC251DR ensures both environmental and health safety while providing robust performance in demanding applications.