MC74ACT157D

Product Overview

Category

MC74ACT157D belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital logic applications for data multiplexing and selection.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL inputs
• Schmitt trigger inputs for noise immunity

Package

MC74ACT157D is available in a 16-pin dual in-line package (DIP).

Essence

The essence of MC74ACT157D lies in its ability to efficiently multiplex and select data signals in digital systems.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Supply Voltage: 2.0V - 6.0V
• Input Voltage: 0V - VCC
• Output Voltage: 0V - VCC
• Operating Temperature Range: -40°C to +85°C
• Logic Family: ACT
• Number of Inputs: 4
• Number of Outputs: 1

Detailed Pin Configuration

1. A - Data Input A
2. B - Data Input B
3. C - Data Input C
4. D - Data Input D
5. G - Enable Input
6. Y - Multiplexed Output
7. GND - Ground
8. Y - Multiplexed Output
9. D - Data Input D
10. C - Data Input C
11. B - Data Input B
12. A - Data Input A
13. G - Enable Input
14. Y - Multiplexed Output
15. VCC - Positive Power Supply
16. NC - No Connection

Functional Features

• Data multiplexing: Allows selection of one out of four input data signals.
• Enable control: The enable input determines whether the multiplexer is active or in a high-impedance state.
• Schmitt trigger inputs: Provides noise immunity and ensures reliable operation even in noisy environments.

Advantages

• High-speed operation enables efficient data selection.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range allows compatibility with various systems.
• Schmitt trigger inputs enhance noise immunity, ensuring reliable performance.

Disadvantages

• Limited number of inputs and outputs restricts its application to smaller-scale systems.
• Lack of built-in protection features may require additional circuitry for robustness.

Working Principles

MC74ACT157D operates based on the principles of digital logic. It uses a combination of gates and flip-flops to perform data multiplexing and selection. The enable input controls the output state, while the data inputs determine which signal is selected.

Detailed Application Field Plans

MC74ACT157D finds applications in various digital systems, including but not limited to: - Data communication equipment - Computer peripherals - Industrial automation - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to MC74ACT157D include: - 74HC157 - CD74HC157 - SN74LS157 - CD40157

These alternatives offer comparable features and can be used as substitutes depending on specific system requirements.

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