CD74HC4051MT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multiplexer/Demultiplexer
• Characteristics: High-Speed CMOS Logic, 8-Channel Analog Multiplexer/Demultiplexer
• Package: TSSOP-16
• Essence: CD74HC4051MT is a multiplexer/demultiplexer IC that allows for the selection of one input from multiple sources and routing it to a single output. It is commonly used in digital and analog applications where signal routing and selection are required.
• Packaging/Quantity: The CD74HC4051MT is typically sold in reels or tubes containing a specific quantity of ICs.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HC
• Number of Channels: 8
• Input/Output Type: Analog/Digital
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 13 ns (typical)
• On-State Resistance: 70 Ohms (typical)

Pin Configuration

The CD74HC4051MT has a total of 16 pins arranged as follows:

__ __ A0 |1 \__/ 16| VCC A1 |2 15| S0 A2 |3 14| S1 EN |4 13| S2 GND |5 CD74HC4051MT 12| INH OUT |6 11| Z INH |7 10| Y S3 |8 9| X -- --

Functional Features

• Multiplexing/Demultiplexing: The CD74HC4051MT can be used to select one of the eight input channels and route it to the output.
• Analog/Digital Signal Handling: It supports both analog and digital signals, making it versatile for various applications.
• Low Power Consumption: The HC logic family ensures low power consumption, making it suitable for battery-powered devices.
• Fast Switching Speed: With a propagation delay of 13 ns (typical), it enables rapid signal routing.

Advantages

• Versatile: Can handle both analog and digital signals.
• Compact Size: The TSSOP-16 package offers a small footprint, saving board space.
• Low Power Consumption: Suitable for energy-efficient designs.
• Fast Switching Speed: Enables quick signal routing.

Disadvantages

• Limited Channel Count: Only supports up to eight input channels.
• On-State Resistance: The 70 Ohms resistance may introduce some signal degradation.

Working Principles

The CD74HC4051MT operates based on the principle of multiplexing and demultiplexing. When the appropriate control signals (S0-S3) are applied, it selects one of the input channels and routes it to the output pin. The enable (EN) and inhibit (INH) pins control the overall operation of the IC.

Detailed Application Field Plans

The CD74HC4051MT finds applications in various fields, including:

1. Audio/Video Systems: Used for signal routing in audio/video switchers and selectors.
2. Communication Systems: Enables channel selection and signal routing in communication equipment.
3. Test and Measurement Instruments: Used for signal switching and routing in test setups.
4. Industrial Automation: Facilitates signal selection and routing in industrial control systems.
5. Data Acquisition Systems: Allows for the selection of analog/digital inputs in data acquisition modules.

Detailed and Complete Alternative Models

1. CD4051B: Similar functionality but operates at a lower voltage range (3V to 18V).
2. CD4052B: Dual 4-channel analog multiplexer/demultiplexer.
3. CD4053B: Triple 2-channel analog multiplexer/demultiplexer.

These alternative models offer similar functionality with slight variations in specifications and pin configurations.

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