SN74LS158NG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Selector/Multiplexer
• Characteristics: TTL Logic, 4-bit Binary Multiplexer
• Package: DIP-16 (Dual In-Line Package with 16 pins)
• Essence: The SN74LS158NG4 is a high-speed TTL logic device used for data selection and multiplexing. It allows the user to select one of four input data lines and route it to a single output line based on the control inputs.
• Packaging/Quantity: The SN74LS158NG4 is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage High: 2.0V (min), 5.25V (max)
• Input Voltage Low: -0.5V (min), 0.8V (max)
• Output Voltage High: 2.7V (min), Vcc (max)
• Output Voltage Low: 0.4V (max)
• Propagation Delay Time: 9ns (typical)

Detailed Pin Configuration

The SN74LS158NG4 has 16 pins arranged as follows:

__ __ A1 |1 U 16| Vcc B1 |2 15| A0 C1 |3 14| Y D1 |4 13| GND A2 |5 12| B0 B2 |6 11| C0 C2 |7 10| D0 D2 |8 9| G1 --------

Functional Features

• 4-bit data selection/multiplexing.
• Low power consumption.
• High-speed operation.
• TTL compatible inputs and outputs.
• Wide operating temperature range.

Advantages and Disadvantages

Advantages: - Versatile data selection and multiplexing capabilities. - Low power consumption makes it suitable for battery-powered devices. - High-speed operation allows for efficient data processing. - Compatibility with TTL logic levels simplifies integration into existing systems.

Disadvantages: - Limited to 4-bit data selection, may not be suitable for applications requiring larger data widths. - DIP package may not be ideal for space-constrained designs. - Propagation delay time may introduce timing issues in certain high-speed applications.

Working Principles

The SN74LS158NG4 operates based on the principle of data selection and multiplexing. It has four input data lines (A, B, C, D) and two control inputs (A0, B0). The control inputs determine which of the four data lines is selected and routed to the output pin (Y). The device uses TTL logic levels for compatibility with other TTL devices.

Detailed Application Field Plans

The SN74LS158NG4 can be used in various applications that require data selection and multiplexing. Some potential application fields include:

1. Digital communication systems: The device can be used to select different data sources or channels in communication systems, such as multiplexing audio or video signals.

2. Data routing in computer systems: It can be employed to route data between different components or peripherals in a computer system, enabling efficient data transfer.

3. Industrial automation: The SN74LS158NG4 can be utilized in industrial control systems to select and route sensor data or control signals.

4. Test and measurement equipment: It can be integrated into test and measurement devices to switch between different input signals for analysis or processing.

Detailed and Complete Alternative Models

• SN74LS157N: Similar 4-bit data selector/multiplexer with slightly different pin configuration.
• CD4051B: Analog multiplexer/demultiplexer with 8 channels.
• 74HC151: 8-to-1 multiplexer with TTL-compatible inputs and outputs.

These alternative models offer similar functionality to the SN74LS158NG4 and can be considered based on specific requirements and compatibility with existing systems.

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