Texas Instruments
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SN74LS258BD
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SN74LS258BD

Product Overview

Category

SN74LS258BD belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital logic applications.

Characteristics

  • Low power consumption
  • High-speed operation
  • Wide operating voltage range
  • Compatibility with TTL (Transistor-Transistor Logic) inputs and outputs

Package

SN74LS258BD is available in a 16-pin dual in-line package (DIP).

Essence

The essence of SN74LS258BD lies in its ability to perform multiplexing functions in digital systems.

Packaging/Quantity

SN74LS258BD is typically packaged in tubes or reels, with quantities varying based on customer requirements.

Specifications

  • Supply Voltage: 4.75V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Input Voltage High (VIH): 2.0V (min)
  • Input Voltage Low (VIL): 0.8V (max)
  • Output Voltage High (VOH): 2.7V (min)
  • Output Voltage Low (VOL): 0.5V (max)

Detailed Pin Configuration

  1. A0: Multiplexer Select Input A
  2. A1: Multiplexer Select Input B
  3. A2: Multiplexer Select Input C
  4. I0: Data Input 0
  5. I1: Data Input 1
  6. I2: Data Input 2
  7. I3: Data Input 3
  8. Y: Multiplexer Output
  9. GND: Ground
  10. I4: Data Input 4
  11. I5: Data Input 5
  12. I6: Data Input 6
  13. I7: Data Input 7
  14. B0: Multiplexer Select Input B
  15. B1: Multiplexer Select Input A
  16. VCC: Supply Voltage

Functional Features

SN74LS258BD is a quad 2-input multiplexer with common select inputs (A, B, C). It allows the selection of one out of four data inputs (I0-I7) to be routed to the output (Y) based on the select inputs.

Advantages and Disadvantages

Advantages

  • Low power consumption makes it suitable for battery-powered devices.
  • High-speed operation enables efficient data processing.
  • Wide operating voltage range provides flexibility in various applications.
  • Compatibility with TTL inputs and outputs ensures easy integration into existing systems.

Disadvantages

  • Limited number of inputs may restrict its use in complex systems requiring more input options.
  • Lack of built-in protection features may make it susceptible to damage from voltage spikes or electrostatic discharge.

Working Principles

SN74LS258BD operates by using the select inputs (A, B, C) to control the multiplexing function. The selected data input is then passed through to the output pin (Y), while the non-selected inputs are disconnected.

Detailed Application Field Plans

SN74LS258BD finds applications in various digital systems, including but not limited to: - Data multiplexing in microcontrollers and microprocessors - Address decoding in memory systems - Signal routing in communication systems - Input selection in analog-to-digital converters

Detailed and Complete Alternative Models

Some alternative models that can perform similar functions to SN74LS258BD include: - CD4051B: 8-channel analog multiplexer/demultiplexer - 74HC151: 8-input multiplexer - CD74HC4067: 16-channel analog multiplexer/demultiplexer

These alternatives offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SN74LS258BD in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of SN74LS258BD:

  1. Q: What is SN74LS258BD? A: SN74LS258BD is a quad 2-input multiplexer with 3-state outputs, commonly used in digital electronics.

  2. Q: What is the purpose of SN74LS258BD? A: SN74LS258BD is used to select one of four input signals and route it to the output based on control inputs.

  3. Q: What is the maximum operating voltage for SN74LS258BD? A: The maximum operating voltage for SN74LS258BD is typically 5.25V.

  4. Q: How many control inputs does SN74LS258BD have? A: SN74LS258BD has two control inputs, usually labeled as "A" and "B".

  5. Q: How many output pins does SN74LS258BD have? A: SN74LS258BD has four output pins, each corresponding to one of the input signals.

  6. Q: Can SN74LS258BD handle analog signals? A: No, SN74LS258BD is designed to work with digital signals only.

  7. Q: What is the maximum frequency at which SN74LS258BD can operate? A: SN74LS258BD can typically operate at frequencies up to 33 MHz.

  8. Q: Can SN74LS258BD be cascaded to increase the number of inputs? A: Yes, multiple SN74LS258BD chips can be cascaded together to increase the number of inputs.

  9. Q: Does SN74LS258BD have any built-in protection features? A: SN74LS258BD has built-in diode clamps to protect against electrostatic discharge (ESD).

  10. Q: What is the recommended operating temperature range for SN74LS258BD? A: The recommended operating temperature range for SN74LS258BD is typically -40°C to 85°C.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for SN74LS258BD.