DG409LDY

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Multiplexer
• Characteristics: Low power consumption, high speed, compact size
• Package: Dual-In-Line Package (DIP)
• Essence: The DG409LDY is a digital multiplexer IC that allows for the selection of one out of four input signals to be routed to an output line.
• Packaging/Quantity: Available in tubes or reels, with 25 pieces per tube/reel.

Specifications

• Supply Voltage: 3V to 15V
• Input Voltage Range: 0V to VDD
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 50ns (typical)
• On-State Resistance: 100Ω (typical)

Detailed Pin Configuration

The DG409LDY 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. Y: Output
11. GND: Ground
12. NC: No Connection
13. NC: No Connection
14. NC: No Connection
15. VDD: Supply Voltage
16. NC: No Connection

Functional Features

• Four-to-One Multiplexer: Allows selection of one out of four input signals to be routed to the output line.
• Low Power Consumption: Operates at low power levels, making it suitable for battery-powered devices.
• High Speed: Provides fast switching times, enabling efficient signal routing.
• Compact Size: The IC is designed in a small form factor, saving space on circuit boards.

Advantages and Disadvantages

Advantages

• Versatile: Can be used in various applications requiring signal routing and selection.
• Low Power Consumption: Ideal for energy-efficient designs.
• High-Speed Operation: Enables quick signal switching.
• Compact Size: Saves space on circuit boards.

Disadvantages

• Limited Input Channels: Only supports four input signals.
• Not Suitable for Analog Signals: Designed specifically for digital signals.

Working Principles

The DG409LDY operates based on the principle of multiplexing. It uses the address inputs (A0-A3) to select one of the four data inputs (D0-D3) and routes it to the output line (Y). The enable input (EN) controls the operation of the multiplexer. When EN is high, the selected input is passed to the output; otherwise, the output remains in a high-impedance state.

Detailed Application Field Plans

The DG409LDY can be utilized in various applications, including:

1. Data Communication Systems: Multiplexing and routing digital signals in communication networks.
2. Test and Measurement Equipment: Selecting different test signals for analysis and measurement purposes.
3. Audio/Video Switching: Routing digital audio or video signals to different output devices.
4. Industrial Control Systems: Signal routing and selection in control systems.

Detailed and Complete Alternative Models

1. CD4051: A similar 8-channel analog multiplexer IC.
2. SN74HC157: A quad 2-input multiplexer IC with additional logic functions.
3. ADG408: An analog multiplexer/demultiplexer IC with low on-resistance.

These alternative models provide similar functionality to the DG409LDY and can be considered as alternatives based on specific requirements.

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