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SN74LS165ADE4
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SN74LS165ADE4

Product Overview

Category

SN74LS165ADE4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for parallel-to-serial data conversion in various electronic applications.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Compatibility with TTL logic levels
  • Schmitt-trigger inputs for noise immunity

Package

SN74LS165ADE4 is available in a 16-pin dual in-line package (DIP).

Essence

The essence of SN74LS165ADE4 lies in its ability to efficiently convert parallel data into serial data, making it suitable for applications where data needs to be transmitted serially.

Packaging/Quantity

SN74LS165ADE4 is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Supply Voltage: 4.75V to 5.25V
  • Input Voltage: 0V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 30MHz
  • Number of Inputs: 8
  • Number of Outputs: 1

Detailed Pin Configuration

  1. SER (Serial Data Input)
  2. CLK (Clock Input)
  3. GND (Ground)
  4. QH' (Serial Data Output)
  5. D0 (Parallel Data Input Bit 0)
  6. D1 (Parallel Data Input Bit 1)
  7. D2 (Parallel Data Input Bit 2)
  8. D3 (Parallel Data Input Bit 3)
  9. D4 (Parallel Data Input Bit 4)
  10. D5 (Parallel Data Input Bit 5)
  11. D6 (Parallel Data Input Bit 6)
  12. D7 (Parallel Data Input Bit 7)
  13. VCC (Supply Voltage)
  14. QH (Serial Data Output)
  15. MR (Master Reset)
  16. QA (Parallel Data Output Bit 0)

Functional Features

  • Parallel-to-serial data conversion
  • Shift register operation
  • Synchronous serial data transfer
  • Master reset functionality
  • Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient data transfer.
  • Low power consumption makes it suitable for battery-powered devices.
  • Wide operating voltage range provides flexibility in various applications.
  • Compatibility with TTL logic levels simplifies integration with other components.
  • Schmitt-trigger inputs enhance noise immunity, ensuring reliable data transmission.

Disadvantages

  • Limited number of parallel inputs (8 bits).
  • Clock frequency is limited to a maximum of 30MHz.

Working Principles

SN74LS165ADE4 operates as a parallel-in, serial-out shift register. The parallel data inputs (D0-D7) are loaded into the shift register on each rising edge of the clock signal (CLK). The data is then shifted out serially through the QH' pin. The QH pin provides the serial data output. The master reset (MR) pin resets the shift register to its initial state.

Detailed Application Field Plans

SN74LS165ADE4 finds applications in various fields, including: 1. Data communication systems 2. Serial data acquisition 3. Industrial automation 4. Robotics 5. Automotive electronics 6. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74LS165ADE4 include: 1. CD4021B - 8-bit parallel-in/serial-out shift register 2. 74HC165 - 8-bit parallel-in/serial-out shift register 3. CD74HC165E - High-speed CMOS logic 8-bit parallel-in/serial-out shift register

These alternative models can be considered based on specific requirements and compatibility with the target application.

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技術ソリューションにおける SN74LS165ADE4 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of SN74LS165ADE4:

  1. Q: What is SN74LS165ADE4? A: SN74LS165ADE4 is a 8-bit parallel-in/serial-out shift register IC, commonly used in digital electronics applications.

  2. Q: What is the purpose of using SN74LS165ADE4? A: SN74LS165ADE4 is used to convert parallel data inputs into serial data output, making it useful for tasks like data acquisition, input expansion, and serial communication.

  3. Q: How many parallel inputs does SN74LS165ADE4 have? A: SN74LS165ADE4 has 8 parallel inputs, labeled D0 to D7.

  4. Q: Can SN74LS165ADE4 be cascaded to increase the number of inputs? A: Yes, multiple SN74LS165ADE4 ICs can be cascaded together to increase the number of inputs.

  5. Q: What is the clock input in SN74LS165ADE4 used for? A: The clock input (CLK) is used to synchronize the shifting of data from parallel inputs to the serial output.

  6. Q: How do I connect SN74LS165ADE4 to a microcontroller or Arduino? A: Connect the parallel inputs (D0-D7) of SN74LS165ADE4 to the corresponding pins on the microcontroller or Arduino, and connect the clock input (CLK) to a digital pin.

  7. Q: How do I read the serial output from SN74LS165ADE4? A: The serial output (QH') of SN74LS165ADE4 can be connected to a digital pin on the microcontroller or Arduino, which can then read the data using appropriate programming.

  8. Q: What is the maximum clock frequency supported by SN74LS165ADE4? A: The maximum clock frequency supported by SN74LS165ADE4 is typically around 25 MHz.

  9. Q: Can SN74LS165ADE4 be used with both 5V and 3.3V systems? A: Yes, SN74LS165ADE4 can be used with both 5V and 3.3V systems, as it has compatible voltage levels.

  10. Q: Are there any precautions to consider when using SN74LS165ADE4? A: It is important to ensure that the clock signal is clean and free from noise, and that the power supply voltage is within the specified range (typically 4.75V to 5.25V). Additionally, proper decoupling capacitors should be used for stable operation.