SN74F257NSR

Product Overview

Category

SN74F257NSR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital logic applications.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Multiple input/output options

Package

SN74F257NSR is available in a small-outline package (SOIC) with 16 pins.

Essence

The essence of SN74F257NSR lies in its ability to perform multiplexing functions in digital systems.

Packaging/Quantity

SN74F257NSR is typically packaged in reels, with each reel containing a specified quantity of ICs.

Specifications

• Supply Voltage: 2V - 6V
• Logic Family: TTL
• Number of Inputs: 4
• Number of Outputs: 1
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 9ns (max)
• Output Current: ±8mA

Detailed Pin Configuration

1. A Input
2. B Input
3. C Input
4. D Input
5. G Input
6. Y Output
7. VCC (Supply Voltage)
8. Y Output
9. GND (Ground)
10. Y Output
11. G Input
12. D Input
13. C Input
14. B Input
15. A Input
16. Y Output

Functional Features

SN74F257NSR offers the following functional features:

• Quad 2-to-1 multiplexer functionality
• Individual enable inputs for each multiplexer
• High-speed operation for efficient data processing
• Low power consumption for energy efficiency
• Wide operating voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages

• High-speed operation allows for quick data processing
• Low power consumption reduces energy usage
• Wide operating voltage range ensures compatibility with different systems

Disadvantages

• Limited number of inputs and outputs restricts the complexity of applications
• Propagation delay may affect real-time applications

Working Principles

SN74F257NSR operates based on the principles of multiplexing. It takes multiple input signals and selects one of them to be transmitted as output based on the control inputs. The enable inputs allow individual selection of each multiplexer, enabling flexible data routing.

Detailed Application Field Plans

SN74F257NSR finds applications in various digital systems, including but not limited to:

1. Data communication systems
2. Multiplexing/demultiplexing circuits
3. Arithmetic logic units (ALUs)
4. Memory address decoding
5. Control unit circuitry

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74F257NSR are:

1. 74HC257: CMOS quad 2-to-1 multiplexer
2. CD4053B: Analog multiplexer/demultiplexer IC
3. MC14051B: Quad 2-channel analog multiplexer/demultiplexer

These alternative models can be considered based on specific requirements and compatibility with the system.

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