Encyclopedia Entry: 74ACTQ657SC

Product Overview

Category

The 74ACTQ657SC belongs to the category of integrated circuits (ICs) and specifically falls under the family of digital logic devices.

Use

This IC is commonly used in electronic circuits for data multiplexing and demultiplexing applications. It enables efficient routing of multiple data signals through a single channel.

Characteristics

• High-speed operation: The 74ACTQ657SC is designed to operate at high clock frequencies, making it suitable for time-critical applications.
• Low power consumption: This IC is optimized for low power consumption, ensuring energy efficiency in electronic systems.
• Wide voltage range: It can operate within a wide voltage range, typically between 2V and 6V, allowing compatibility with various power supply levels.
• Compact package: The 74ACTQ657SC is available in a small outline package (SOIC), which facilitates easy integration into circuit boards.

Package and Quantity

The 74ACTQ657SC is packaged in a standard SOIC package, which consists of a rectangular plastic body with leads extending from two sides. It is supplied in tape and reel packaging, with a typical quantity of 250 units per reel.

Specifications

• Logic Family: ACTQ
• Number of Channels: 8
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.5 ns (max)
• Supply Voltage Range: 2V to 6V
• Package Type: SOIC-24

Pin Configuration

The 74ACTQ657SC has a total of 24 pins, arranged as follows:

+---+--+---+ A0 |1 +--+ 24| VCC A1 |2 23| B0 A2 |3 22| B1 A3 |4 21| B2 A4 |5 20| B3 A5 |6 19| B4 A6 |7 18| B5 A7 |8 17| B6 GND |9 16| B7 S |10 15| Y0 OE |11 14| Y1 Y7 |12 13| Y2 +----------+

Functional Features

The 74ACTQ657SC is a multiplexer/demultiplexer IC that allows for the selection and routing of data signals. Its key features include:

• 8-channel operation: It provides eight independent channels for data input and output.
• Multiplexing and demultiplexing: The IC can be configured to either multiplex multiple inputs into a single output or demultiplex a single input into multiple outputs.
• Output enable control: The OE pin enables or disables the output, allowing for efficient control of data flow.
• Select input: The S pin selects the desired channel for data routing.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing in time-critical applications.
• Low power consumption ensures energy efficiency in electronic systems.
• Wide voltage range compatibility allows for flexible integration with various power supply levels.
• Compact package facilitates easy integration into circuit boards.

Disadvantages

• Limited number of channels may not be suitable for applications requiring a higher number of inputs/outputs.
• Propagation delay of 4.5 ns (max) may introduce slight latency in data transmission.

Working Principles

The 74ACTQ657SC operates based on the principles of digital logic. It utilizes multiplexing and demultiplexing techniques to route data signals through the desired channels. The select input (S) determines the active channel, while the output enable (OE) pin controls the data flow. The IC's internal circuitry ensures efficient signal routing with minimal delay.

Detailed Application Field Plans

The 74ACTQ657SC finds applications in various fields, including:

1. Data communication systems: It can be used for multiplexing/demultiplexing data signals in communication networks, enabling efficient data transmission.
2. Industrial automation: The IC facilitates the routing of multiple sensor inputs to a central control unit, enhancing automation processes.
3. Test and measurement equipment: It enables the selection and routing of test signals, allowing for versatile testing capabilities.
4. Audio/video systems: The IC can be utilized for switching audio or video signals between different sources, providing seamless connectivity.

Alternative Models

For users seeking alternative options, the following ICs provide similar functionality:

1. SN74HC157: This quad