Encyclopedia Entry: 74AC11257PWRE4

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Multiplexer
• Characteristics: High-speed, low-power consumption
• Package: TSSOP-24
• Essence: Multiplexing and demultiplexing digital signals
• Packaging/Quantity: Available in reels of 2500 units

Specifications

The 74AC11257PWRE4 is a digital logic multiplexer integrated circuit. It operates at high speed while consuming low power, making it suitable for various applications. The IC is packaged in a TSSOP-24 package, which provides ease of handling and compatibility with standard PCB designs.

Detailed Pin Configuration

The 74AC11257PWRE4 features a total of 24 pins, each serving a specific function. The pin configuration is as follows:

1. A0 - Input A0
2. B0 - Input B0
3. Y0 - Output Y0
4. G1 - Enable Input G1
5. A1 - Input A1
6. B1 - Input B1
7. Y1 - Output Y1
8. G2A - Enable Input G2A
9. A2 - Input A2
10. B2 - Input B2
11. Y2 - Output Y2
12. G2B - Enable Input G2B
13. A3 - Input A3
14. B3 - Input B3
15. Y3 - Output Y3
16. G3 - Enable Input G3
17. VCC - Positive Power Supply
18. Y4 - Output Y4
19. G4 - Enable Input G4
20. B4 - Input B4
21. A4 - Input A4
22. Y5 - Output Y5
23. G5 - Enable Input G5
24. GND - Ground

Functional Features

The 74AC11257PWRE4 is designed to perform multiplexing and demultiplexing of digital signals. It allows the selection of one out of multiple input signals and routes it to the output, based on the control inputs. The IC operates at high speed, enabling efficient signal processing in various digital systems.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Compact package size - Easy integration into PCB designs - Wide range of operating voltage (2V to 6V)

Disadvantages: - Limited number of input/output channels - Not suitable for analog signal processing

Working Principles

The 74AC11257PWRE4 utilizes a combination of logic gates and multiplexers to achieve its functionality. The control inputs determine which input signal is selected and routed to the output. The IC operates based on the principles of digital logic, utilizing transistors and logical operations to process the signals.

Detailed Application Field Plans

The 74AC11257PWRE4 finds applications in various digital systems where multiplexing and demultiplexing of signals are required. Some common application fields include:

1. Data communication systems
2. Digital audio/video equipment
3. Computer peripherals
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74AC11257N - DIP-24 package, similar functionality
2. CD74AC11257M - SOIC-24 package, similar functionality
3. MC74AC11257D - SOIC-24 package, similar functionality

These alternative models provide similar functionality to the 74AC11257PWRE4 and can be used as replacements based on specific requirements.

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