Encyclopedia Entry: 74LVX238MTR

Product Overview

Category

The 74LVX238MTR belongs to the category of integrated circuits (ICs), specifically a multiplexer/demultiplexer IC.

Use

This IC is commonly used in digital electronic systems for signal routing and data selection purposes. It acts as a multiplexer, allowing multiple input signals to be selected and routed to a single output line, or as a demultiplexer, enabling a single input signal to be directed to one of several output lines.

Characteristics

• Low-voltage operation: The 74LVX238MTR operates at low voltage levels, typically between 2.0V and 3.6V.
• High-speed performance: This IC offers fast switching times, making it suitable for applications requiring rapid signal routing.
• Wide operating temperature range: It can operate reliably within a temperature range of -40°C to +85°C.
• Low power consumption: The 74LVX238MTR is designed to consume minimal power, making it energy-efficient.

Package

The 74LVX238MTR is available in a small-outline transistor (SOT) package. This package type ensures compactness and ease of integration into various electronic systems.

Essence

The essence of the 74LVX238MTR lies in its ability to efficiently route and select digital signals, providing flexibility and control in electronic circuit designs.

Packaging/Quantity

The 74LVX238MTR is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 2.0V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 3.5pF (typical)
• Output Capacitance: 6pF (typical)
• Propagation Delay Time: 4.5ns (typical)

Detailed Pin Configuration

The 74LVX238MTR IC has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. A0: Input A0
2. A1: Input A1
3. A2: Input A2
4. E: Enable Input
5. Y0: Output Y0
6. Y1: Output Y1
7. Y2: Output Y2
8. GND: Ground
9. Y3: Output Y3
10. VCC: Power Supply
11. B0: Input B0
12. B1: Input B1
13. B2: Input B2
14. C: Select Input
15. Y4: Output Y4
16. Y5: Output Y5

Functional Features

The 74LVX238MTR offers the following functional features:

• Multiplexing: It can select one of eight input signals and route it to a single output line based on the control inputs.
• Demultiplexing: It can direct a single input signal to one of eight output lines based on the control inputs.
• Low-voltage operation: The IC operates at low voltage levels, making it compatible with modern digital systems.
• High-speed switching: It provides fast switching times, ensuring efficient signal routing in time-critical applications.

Advantages and Disadvantages

Advantages

• Low power consumption
• Wide operating temperature range
• Compact package size
• High-speed performance

Disadvantages

• Limited number of input/output channels
• Requires external control signals for proper operation

Working Principles

The 74LVX238MTR operates based on the principles of digital logic. It utilizes a combination of multiplexing and demultiplexing techniques to route and select digital signals. The control inputs determine which input signal is selected and routed to the output line.

Detailed Application Field Plans

The 74LVX238MTR finds applications in various fields, including:

1. Communication systems: Used for signal routing and data selection in communication equipment.
2. Industrial automation: Enables efficient control and selection of signals in automated systems.
3. Consumer electronics: Integrated into devices such as televisions, audio systems, and gaming consoles for signal management.
4. Automotive electronics: Utilized in automotive systems for signal routing and control purposes.

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74LVX238MTR. Some notable alternatives include:

1. CD74HC238E: High-speed CMOS logic IC with similar multiplexer/demultiplexer capabilities.
2. SN74LS138N: TTL logic IC providing similar signal routing