SN74LVC257ANSR

The SN74LVC257ANSR is a quad 2-input multiplexer (MUX) integrated circuit (IC) manufactured by Texas Instruments. It is designed to operate with low-voltage CMOS technology, making it suitable for a variety of digital applications where low power consumption and high-speed performance are essential.

Key Features:

1. Quad 2-Input Multiplexer: The device contains four independent 2-input multiplexers, allowing it to select one of two inputs for each of the four channels based on the control signals.

2. Low Voltage Operation: The SN74LVC257ANSR operates with a supply voltage range of 1.65V to 5.5V, making it compatible with both low-voltage and standard logic levels.

3. High-Speed Performance: The device is capable of operating at high speeds, with propagation delays typically around 3.5 ns at 3.3V, enabling fast switching and data processing.

4. Low Power Consumption: The IC features low static and dynamic power consumption, which is beneficial for battery-operated devices and energy-efficient designs.

5. Wide Input Voltage Range: The inputs can accept a wide range of voltage levels, allowing for compatibility with various logic families.

6. TTL Compatible: The outputs are compatible with TTL logic levels, making it easy to interface with other digital components.

7. Active Low Enable: Each multiplexer has an active low enable input, allowing for easy control of the device's operation.

8. Small Package Size: The SN74LVC257ANSR is available in a small 16-pin TSSOP (Thin Shrink Small Outline Package) or SOIC (Small Outline Integrated Circuit) package, which is ideal for space-constrained applications.

9. ESD Protection: The device includes built-in electrostatic discharge (ESD) protection, enhancing its reliability in various environments.

Applications:

The SN74LVC257ANSR is suitable for a wide range of applications, including:

• Data routing in communication systems
• Signal multiplexing in digital circuits
• Selection of data sources in microcontroller applications
• Logic level shifting in mixed-voltage systems
• General-purpose data selection and switching tasks in consumer electronics

Electrical Characteristics:

• Supply Voltage (Vcc): 1.65V to 5.5V
• Input Voltage (Vin): 0V to Vcc
• Output Voltage (Vout): 0V to Vcc
• Operating Temperature Range: -40°C to +125°C

Conclusion:

The SN74LVC257ANSR from Texas Instruments is a versatile and efficient quad 2-input multiplexer that meets the demands of modern digital applications. Its low voltage operation, high-speed performance, and compact package make it an excellent choice for engineers looking to implement reliable and efficient data routing solutions in their designs.