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SN74AS258NSRG4
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SN74AS258NSRG4

Product Overview

  • Category: Integrated Circuit
  • Use: Data Selector/Multiplexer
  • Characteristics: High-speed, TTL Logic
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: 8-input Multiplexer
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 9ns (typical)
  • Output Current: ±24mA
  • Input Capacitance: 3pF
  • Power Dissipation: 500mW

Detailed Pin Configuration

The SN74AS258NSRG4 has a total of 16 pins. The pin configuration is as follows:

  1. A0 - Input A0
  2. A1 - Input A1
  3. A2 - Input A2
  4. A3 - Input A3
  5. A4 - Input A4
  6. A5 - Input A5
  7. A6 - Input A6
  8. A7 - Input A7
  9. GND - Ground
  10. Y - Output Y
  11. E - Enable Input
  12. B - Input B
  13. C - Input C
  14. D - Input D
  15. VCC - Positive Power Supply
  16. NC - No Connection

Functional Features

The SN74AS258NSRG4 is an 8-input multiplexer that selects one of the eight data inputs based on the control inputs. It operates on TTL logic levels and provides high-speed performance with a propagation delay time of 9ns. The enable input allows the user to control the output state, and the device is designed to handle a wide range of input and output voltages.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide operating voltage range - Compact SOIC package - Easy to use and integrate into circuits

Disadvantages: - Limited number of inputs (8) - Requires external enable signal for proper functionality

Working Principles

The SN74AS258NSRG4 works based on the principle of multiplexing. It selects one of the eight data inputs and routes it to the output based on the control inputs. The enable input determines whether the output is active or in a high-impedance state. The device operates using TTL logic levels, ensuring compatibility with other TTL devices.

Detailed Application Field Plans

The SN74AS258NSRG4 can be used in various applications that require data selection or multiplexing. Some potential application fields include:

  1. Data communication systems
  2. Digital signal processing
  3. Industrial automation
  4. Test and measurement equipment
  5. Audio and video routing systems
  6. Computer peripherals
  7. Control systems

Detailed and Complete Alternative Models

  1. SN74LS258N: Similar 8-input multiplexer with LS-TTL logic levels.
  2. CD4051B: 8-channel analog multiplexer/demultiplexer.
  3. MC14051B: 8-channel analog multiplexer/demultiplexer with CMOS logic levels.
  4. 74HC151: 8-input multiplexer with CMOS logic levels.
  5. CD74HC4067: 16-channel analog multiplexer/demultiplexer with CMOS logic levels.

These alternative models offer similar functionality and can be considered as substitutes for the SN74AS258NSRG4 depending on specific requirements and design constraints.

In conclusion, the SN74AS258NSRG4 is a high-speed 8-input multiplexer integrated circuit. It offers reliable data selection capabilities and is widely used in various applications. With its compact package and compatibility with TTL logic levels, it provides an efficient solution for multiplexing needs.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SN74AS258NSRG4 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of SN74AS258NSRG4 in technical solutions:

  1. Q: What is SN74AS258NSRG4? A: SN74AS258NSRG4 is a quad 2-input multiplexer with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the operating voltage range for SN74AS258NSRG4? A: The operating voltage range for SN74AS258NSRG4 is typically between 4.5V and 5.5V.

  3. Q: How many inputs does SN74AS258NSRG4 have? A: SN74AS258NSRG4 has four 2-input multiplexers, providing a total of eight input channels.

  4. Q: What are the typical applications of SN74AS258NSRG4? A: SN74AS258NSRG4 is commonly used in data selectors/multiplexers, address decoding, bus switching, and other digital logic applications.

  5. Q: What is the maximum output current of SN74AS258NSRG4? A: The maximum output current of SN74AS258NSRG4 is typically around 8mA.

  6. Q: Can SN74AS258NSRG4 handle both TTL and CMOS logic levels? A: Yes, SN74AS258NSRG4 is compatible with both TTL and CMOS logic levels.

  7. Q: Does SN74AS258NSRG4 have internal pull-up or pull-down resistors? A: No, SN74AS258NSRG4 does not have internal pull-up or pull-down resistors.

  8. Q: What is the propagation delay of SN74AS258NSRG4? A: The propagation delay of SN74AS258NSRG4 is typically around 10ns.

  9. Q: Can SN74AS258NSRG4 be used in high-speed applications? A: Yes, SN74AS258NSRG4 is designed for high-speed operation and can be used in such applications.

  10. Q: Is SN74AS258NSRG4 available in different package options? A: Yes, SN74AS258NSRG4 is available in various package options, including SOIC, TSSOP, and PDIP.

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