DG308BDJ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Multiplexer
• Characteristics: High-speed, Low-power, 8-channel multiplexer
• Package: DIP (Dual In-line Package)
• Essence: The DG308BDJ is a digital multiplexer IC that allows the selection of one out of eight input signals and routes it to the output.
• Packaging/Quantity: Available in tubes or reels, with 25 pieces per tube/reel.

Specifications

• Supply Voltage: 3V to 15V
• Input Voltage: 0V to VDD
• Operating Temperature: -40°C to +85°C
• Propagation Delay: 20ns (typical)
• Input Capacitance: 5pF (typical)
• Output Current: ±10mA (maximum)

Detailed Pin Configuration

The DG308BDJ has a total of 16 pins, which are assigned as follows:

1. A0: Input pin for channel selection bit 0
2. A1: Input pin for channel selection bit 1
3. A2: Input pin for channel selection bit 2
4. EN: Enable pin for controlling the operation of the multiplexer
5. Y: Output pin for the selected input signal
6. GND: Ground reference pin
7. B0: Input pin for data bit 0
8. B1: Input pin for data bit 1
9. B2: Input pin for data bit 2
10. B3: Input pin for data bit 3
11. B4: Input pin for data bit 4
12. B5: Input pin for data bit 5
13. B6: Input pin for data bit 6
14. B7: Input pin for data bit 7
15. VDD: Positive supply voltage pin
16. NC: No connection pin

Functional Features

• High-speed operation allows for quick switching between input channels.
• Low-power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range provides flexibility in various applications.
• 8-channel multiplexer enables the selection of one out of eight input signals.

Advantages and Disadvantages

Advantages

• Fast propagation delay ensures minimal signal distortion.
• Low power consumption extends battery life in portable devices.
• Versatile operating voltage range allows compatibility with different systems.
• Compact DIP package facilitates easy integration into circuit designs.

Disadvantages

• Limited to 8 input channels, which may not be sufficient for certain applications requiring more inputs.
• DIP package may not be suitable for space-constrained designs that require surface-mount components.

Working Principles

The DG308BDJ operates based on the principle of digital multiplexing. It uses the channel selection inputs (A0, A1, A2) to determine which input signal (B0-B7) is routed to the output pin (Y). The enable pin (EN) controls the operation of the multiplexer. When enabled, the selected input signal is passed through to the output pin, while the non-selected inputs are disconnected.

Detailed Application Field Plans

The DG308BDJ finds applications in various fields where multiple input signals need to be selectively routed to a single output. Some potential application areas include:

1. Data acquisition systems
2. Communication equipment
3. Audio/video switches
4. Industrial automation
5. Test and measurement instruments

Detailed and Complete Alternative Models

1. CD4051B: 8-channel analog multiplexer/demultiplexer IC
2. SN74HC151: 8-input digital multiplexer IC
3. MC14051B: 8-channel analog multiplexer/demultiplexer IC
4. CD74HC4067: 16-channel analog multiplexer/demultiplexer IC

These alternative models offer similar functionality to the DG308BDJ and can be considered as alternatives based on specific requirements and design constraints.

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