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SN74LS258BNSR
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SN74LS258BNSR

Product Overview

Category

SN74LS258BNSR belongs to the category of integrated circuits (ICs).

Use

It is commonly used in digital logic applications for data multiplexing and demultiplexing.

Characteristics

  • Low-power Schottky (LS) technology
  • 3-state outputs
  • Wide operating voltage range: 2V to 6V
  • High noise immunity
  • Fast propagation delay time

Package

SN74LS258BNSR is available in a small-outline package (SOIC) with a narrow body width.

Essence

The essence of SN74LS258BNSR lies in its ability to efficiently multiplex and demultiplex data signals in digital systems.

Packaging/Quantity

This IC is typically packaged in reels, containing a quantity of 2500 units per reel.

Specifications

  • Supply Voltage Range: 2V to 6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Propagation Delay Time: 15ns

Detailed Pin Configuration

SN74LS258BNSR consists of 16 pins arranged as follows:

__ __ 1 | \__/ | 16 2 | | 15 3 | | 14 4 | | 13 5 | | 12 6 | | 11 7 | | 10 8 |________| 9

Functional Features

SN74LS258BNSR offers the following functional features:

  • Quad 2-line to 1-line data selectors/multiplexers
  • 3-state outputs for easy bus interfacing
  • Common select inputs for easy control

Advantages and Disadvantages

Advantages

  • Low power consumption due to LS technology
  • Wide operating voltage range allows compatibility with various systems
  • High noise immunity ensures reliable operation in noisy environments
  • Fast propagation delay time enables high-speed data processing

Disadvantages

  • Limited number of input/output lines (4:1 multiplexing)

Working Principles

SN74LS258BNSR operates by selecting one of the four input lines based on the select inputs. The selected input is then routed to the output line. The 3-state outputs allow multiple devices to share a common bus, enabling efficient data transfer.

Detailed Application Field Plans

SN74LS258BNSR finds applications in various digital systems, including but not limited to: - Data communication systems - Multiplexed data transmission - Address decoding circuits - Memory systems - Control units

Detailed and Complete Alternative Models

Some alternative models that can be used as substitutes for SN74LS258BNSR are: - CD4051B - MC14051B - 74HC151

These alternatives offer similar functionality and can be chosen based on specific system requirements.

In conclusion, SN74LS258BNSR is a versatile integrated circuit used for data multiplexing and demultiplexing in digital logic applications. Its low-power LS technology, wide operating voltage range, and fast propagation delay make it suitable for various systems. However, its limited number of input/output lines may pose a constraint in certain scenarios.

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SN74LS258BNSR i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of SN74LS258BNSR:

  1. Question: What is SN74LS258BNSR?
    Answer: SN74LS258BNSR is a quad 2-input multiplexer with 3-state outputs, commonly used in digital logic circuits.

  2. Question: What is the operating voltage range for SN74LS258BNSR?
    Answer: The operating voltage range for SN74LS258BNSR is typically between 4.75V and 5.25V.

  3. Question: How many inputs does SN74LS258BNSR have?
    Answer: SN74LS258BNSR has four 2-input multiplexers, so it has a total of eight inputs.

  4. Question: What are the typical applications of SN74LS258BNSR?
    Answer: SN74LS258BNSR is commonly used in data selectors/multiplexers, address decoders, and other digital logic circuits.

  5. Question: What is the maximum output current of SN74LS258BNSR?
    Answer: The maximum output current of SN74LS258BNSR is typically 8mA.

  6. Question: Can SN74LS258BNSR handle both TTL and CMOS input levels?
    Answer: Yes, SN74LS258BNSR is compatible with both TTL and CMOS input levels.

  7. Question: Does SN74LS258BNSR have internal pull-up or pull-down resistors?
    Answer: No, SN74LS258BNSR does not have internal pull-up or pull-down resistors.

  8. Question: What is the propagation delay of SN74LS258BNSR?
    Answer: The propagation delay of SN74LS258BNSR is typically around 15ns.

  9. Question: Can SN74LS258BNSR be used in high-speed applications?
    Answer: Yes, SN74LS258BNSR can be used in high-speed applications as it has a relatively low propagation delay.

  10. Question: Is SN74LS258BNSR available in surface mount package?
    Answer: Yes, SN74LS258BNSR is available in a surface mount package (NSR suffix) for easy integration into PCB designs.

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