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SN74AS253ADRE4
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SN74AS253ADRE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Multiplexer/Demultiplexer
  • Characteristics: High-speed, Low-power, TTL compatible
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: This IC is a dual 4-to-1 multiplexer/demultiplexer designed for digital applications.
  • Packaging/Quantity: Available in reels of 2500 units.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature: -40°C to +85°C
  • Propagation Delay: 9ns (typical)
  • Input Capacitance: 3pF (typical)
  • Output Current: ±8mA (maximum)

Pin Configuration

The SN74AS253ADRE4 has a total of 16 pins. The pin configuration is as follows:

__ __ A1 |1 \__/ 16| VCC B1 |2 15| A2 C1 |3 14| B2 D1 |4 13| C2 D2 |5 SN 12| D2 C2 |6 74 11| D3 B2 |7 AS 10| C3 A2 |8 253 9| B3 |__________|

Functional Features

  • Dual 4-to-1 multiplexer/demultiplexer functionality.
  • High-speed operation suitable for digital applications.
  • Low-power consumption for energy-efficient designs.
  • TTL compatible inputs and outputs for easy integration with other digital circuits.
  • Wide operating temperature range for versatile usage.

Advantages

  • Provides flexibility in routing digital signals by combining or separating multiple input/output lines.
  • High-speed operation allows for efficient data transmission.
  • Low-power consumption helps in reducing overall system power requirements.
  • TTL compatibility ensures seamless integration with existing digital circuitry.
  • Wide operating temperature range enables usage in various environmental conditions.

Disadvantages

  • Limited to 4-to-1 multiplexing/demultiplexing functionality.
  • Requires additional external components for more complex applications.
  • May not be suitable for applications requiring higher data rates.

Working Principles

The SN74AS253ADRE4 operates as a dual 4-to-1 multiplexer/demultiplexer. It selects one of the four input lines based on the control inputs and routes it to the output line. The selection is controlled by the combination of control inputs A1, A2, B1, and B2. The selected input is then available at the corresponding output pin.

Detailed Application Field Plans

The SN74AS253ADRE4 can be used in various digital applications, including:

  1. Data routing in microprocessors and microcontrollers.
  2. Address decoding in memory systems.
  3. Signal switching in communication systems.
  4. Input/output expansion in embedded systems.
  5. Logic function implementation in digital circuits.

Alternative Models

Here are some alternative models that provide similar functionality:

  1. SN74LS153: Dual 4-line to 1-line data selectors/multiplexers.
  2. CD4052: Dual 4-channel analog multiplexer/demultiplexer.
  3. MC14051: Quad 2-channel analog multiplexer/demultiplexer.

These alternatives offer different features and specifications, allowing designers to choose the most suitable option for their specific application needs.

In conclusion, the SN74AS253ADRE4 is a versatile dual 4-to-1 multiplexer/demultiplexer IC. Its high-speed operation, low-power consumption, and TTL compatibility make it suitable for various digital applications. Designers can consider this IC along with the alternative models mentioned to meet their specific requirements.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74AS253ADRE4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74AS253ADRE4 in technical solutions:

  1. Q: What is SN74AS253ADRE4? A: SN74AS253ADRE4 is a dual 4-input multiplexer IC (Integrated Circuit) that can be used in various electronic applications.

  2. Q: What is the purpose of SN74AS253ADRE4? A: The purpose of SN74AS253ADRE4 is to select one of the four input signals and route it to the output based on the control inputs.

  3. Q: What is the voltage supply range for SN74AS253ADRE4? A: SN74AS253ADRE4 operates with a voltage supply range of 4.5V to 5.5V.

  4. Q: What is the maximum operating frequency of SN74AS253ADRE4? A: The maximum operating frequency of SN74AS253ADRE4 is typically around 125 MHz.

  5. Q: How many control inputs does SN74AS253ADRE4 have? A: SN74AS253ADRE4 has two control inputs, commonly referred to as S0 and S1.

  6. Q: Can SN74AS253ADRE4 handle both analog and digital signals? A: No, SN74AS253ADRE4 is designed to work with digital signals only.

  7. Q: What is the output configuration of SN74AS253ADRE4? A: SN74AS253ADRE4 has two independent outputs, each corresponding to one of the multiplexed inputs.

  8. Q: What is the typical propagation delay of SN74AS253ADRE4? A: The typical propagation delay of SN74AS253ADRE4 is around 10 ns.

  9. Q: Can SN74AS253ADRE4 be used in high-speed applications? A: Yes, SN74AS253ADRE4 is suitable for high-speed applications due to its low propagation delay and high operating frequency.

  10. Q: What are some common applications of SN74AS253ADRE4? A: SN74AS253ADRE4 can be used in data multiplexing, signal routing, address decoding, and other digital logic applications.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.