CD74HCT4543E

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multiplexer/Demultiplexer
• Characteristics:
  • High-speed CMOS logic
  • TTL-compatible inputs
  • Wide operating voltage range
  • Low power consumption
• Package: PDIP (Plastic Dual In-Line Package)
• Essence: High-speed multiplexer/demultiplexer IC
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 45ns (typical)
• Input Capacitance: 3.5pF (typical)
• Output Capacitance: 6pF (typical)

Detailed Pin Configuration

The CD74HCT4543E has a total of 16 pins, which are assigned as follows:

1. A0 - Address Input 0
2. A1 - Address Input 1
3. A2 - Address Input 2
4. A3 - Address Input 3
5. EN - Enable Input
6. D0 - Data Input 0
7. D1 - Data Input 1
8. D2 - Data Input 2
9. D3 - Data Input 3
10. D4 - Data Input 4
11. D5 - Data Input 5
12. D6 - Data Input 6
13. D7 - Data Input 7
14. GND - Ground
15. Y - Multiplexer/Demultiplexer Output
16. VCC - Supply Voltage

Functional Features

• CD74HCT4543E is a high-speed CMOS logic IC that functions as a multiplexer/demultiplexer.
• It has TTL-compatible inputs, allowing easy integration with other TTL-based systems.
• The wide operating voltage range (4.5V to 5.5V) makes it suitable for various applications.
• It consumes low power, making it energy-efficient.

Advantages and Disadvantages

Advantages: - High-speed operation - Compatibility with TTL inputs - Wide operating voltage range - Low power consumption

Disadvantages: - Limited number of address inputs (4 bits) - PDIP package may not be suitable for space-constrained designs

Working Principles

The CD74HCT4543E operates based on the principles of multiplexing and demultiplexing. It selects one of the multiple input lines and routes it to the output line based on the address inputs. When used as a demultiplexer, it takes a single input and routes it to one of the multiple output lines based on the address inputs.

Detailed Application Field Plans

The CD74HCT4543E finds applications in various fields, including:

1. Digital communication systems
2. Data acquisition systems
3. Industrial automation
4. Instrumentation
5. Audio/video equipment
6. Automotive electronics
7. Robotics
8. Medical devices

Detailed and Complete Alternative Models

1. CD74HC4051E: 8-channel analog multiplexer/demultiplexer
2. CD74HCT238E: 3-to-8 line decoder/demultiplexer
3. CD74HCT157E: Quad 2-input multiplexer
4. CD74HCT139E: Dual 2-to-4 line decoder/demultiplexer
5. CD74HCT151E: 8-input multiplexer

These alternative models offer similar functionality and can be used as substitutes for the CD74HCT4543E in various applications.

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