SN74HC158NSR

Product Overview

• Category: Integrated Circuit
• Use: Multiplexer/Demultiplexer
• Characteristics: High-speed, low-power, 4-to-1 data selector/multiplexer
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Combines four data inputs into a single output line
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 9 ns (typical)
• Maximum Quiescent Current: 2 µA

Pin Configuration

The SN74HC158NSR has a total of 16 pins. The pin configuration is as follows:

__ __ A1 |1 `--' 16| VCC B1 |2 15| A0 A2 |3 14| B0 B2 |4 74HC 13| Y A3 |5 158N 12| B3 B3 |6 S 11| A3 A0 |7 N 10| B3 GND |8 9| A3 ``````````

Functional Features

• 4-to-1 Data Selector/Multiplexer: Allows selection of one out of four input lines to be connected to the output line.
• High-Speed Operation: Provides fast switching times for efficient data processing.
• Low Power Consumption: Operates at low power levels, reducing energy consumption.
• Wide Supply Voltage Range: Can be powered by a range of voltages, enhancing flexibility in various applications.
• Schmitt Trigger Inputs: Ensures reliable and noise-immune operation.

Advantages

• Compact Size: The SOIC package allows for space-efficient integration into electronic circuits.
• Versatile Application: Suitable for a wide range of digital multiplexing/demultiplexing tasks.
• High-Speed Performance: Enables efficient data processing in time-critical applications.
• Low Power Consumption: Helps conserve energy in battery-powered devices.

Disadvantages

• Limited Input/Output Lines: Supports only four input lines and one output line, which may not be sufficient for complex systems.
• Temperature Sensitivity: Performance may be affected at extreme temperature ranges.

Working Principles

The SN74HC158NSR operates as a 4-to-1 data selector/multiplexer. It selects one of the four input lines based on the control inputs (A0 and B0) and connects it to the output line (Y). The selection is determined by the binary combination of the control inputs. The device utilizes Schmitt trigger inputs to ensure reliable and noise-immune operation.

Detailed Application Field Plans

The SN74HC158NSR finds applications in various fields, including:

1. Digital Communication Systems: Used for data routing and switching in communication networks.
2. Data Acquisition Systems: Enables multiplexing of analog signals for efficient data acquisition.
3. Industrial Automation: Facilitates signal routing and control in automated systems.
4. Consumer Electronics: Integrated into audio/video equipment for signal selection and routing.
5. Automotive Electronics: Utilized in vehicle control systems for data multiplexing.

Alternative Models

Other alternative models that provide similar functionality to the SN74HC158NSR include:

1. CD4051B: 8-channel analog multiplexer/demultiplexer.
2. MC14051B: 8-channel analog multiplexer/demultiplexer.
3. 74HC4051: 8-channel analog multiplexer/demultiplexer.

These alternative models offer a higher number of input/output channels, providing more flexibility for complex applications.

In conclusion, the SN74HC158NSR is a high-speed, low-power 4-to-1 data selector/multiplexer integrated circuit. It offers compact size, versatile application, and efficient performance. However, it has limitations in terms of input/output lines and temperature sensitivity. The device finds applications in digital communication systems, data acquisition, industrial automation, consumer electronics, and automotive electronics. Alternative models such as CD4051B, MC14051B, and 74HC4051 provide similar functionality with increased channel count.