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MC74HC165AFEL
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MC74HC165AFEL

Product Overview

Category

MC74HC165AFEL belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Schmitt trigger inputs for noise immunity
  • Compatible with TTL levels
  • 8-bit parallel input and serial output

Package

MC74HC165AFEL is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of MC74HC165AFEL lies in its ability to efficiently convert parallel data into serial format, making it suitable for applications requiring data transmission over limited channels.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel containing a specific quantity of MC74HC165AFEL ICs.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: -0.5V to VCC + 0.5V
  • Output Voltage: -0.5V to VCC + 0.5V
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 25 MHz
  • Number of Pins: 16

Detailed Pin Configuration

  1. SER (Serial Data Input)
  2. QH' (Serial Data Output)
  3. DS (Parallel Data Input)
  4. SH_CP (Shift Register Clock Input)
  5. ST_CP (Storage Register Clock Input)
  6. MR (Master Reset Input)
  7. GND (Ground)
  8. QH (Serial Data Output)
  9. QA (Parallel Data Output A)
  10. QB (Parallel Data Output B)
  11. QC (Parallel Data Output C)
  12. QD (Parallel Data Output D)
  13. QE (Parallel Data Output E)
  14. QF (Parallel Data Output F)
  15. QG (Parallel Data Output G)
  16. VCC (Supply Voltage)

Functional Features

  • Parallel-to-serial data conversion
  • Shift register operation
  • Storage register functionality
  • Master reset capability
  • Noise immunity with Schmitt trigger inputs
  • Compatibility with TTL levels

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient data transmission.
  • Low power consumption makes it suitable for battery-powered devices.
  • Wide operating voltage range allows compatibility with various systems.
  • Schmitt trigger inputs provide noise immunity, ensuring reliable data transfer.
  • Compact SOIC package facilitates easy integration into electronic circuits.

Disadvantages

  • Limited number of parallel inputs (8 bits).
  • May require additional components for specific applications.
  • Not suitable for high-frequency applications exceeding 25 MHz.

Working Principles

MC74HC165AFEL operates based on the principle of shifting parallel data into a serial format. The parallel data is input through the DS pins and then shifted through the shift register using the SHCP clock input. The storage register captures the shifted data when the STCP clock input is triggered. The serial output (QH) provides the converted data in a sequential manner.

Detailed Application Field Plans

MC74HC165AFEL finds application in various fields, including but not limited to: 1. Data communication systems 2. Industrial automation 3. Robotics 4. Automotive electronics 5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MC74HC165AFEL are: 1. SN74HC165N by Texas Instruments 2. CD74HC165E by Texas Instruments 3. 74HC165D by NXP Semiconductors 4. HEF40165BT by Nexperia 5. M74HC165B1R by STMicroelectronics

These alternative models can be considered based on specific requirements and availability.

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Énumérez 10 questions et réponses courantes liées à l'application de MC74HC165AFEL dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MC74HC165AFEL:

  1. Q: What is MC74HC165AFEL? A: MC74HC165AFEL is a 8-bit parallel-in/serial-out shift register commonly used in digital electronics.

  2. Q: What is the purpose of using MC74HC165AFEL in technical solutions? A: MC74HC165AFEL is used to expand the number of input pins available on microcontrollers or other digital devices.

  3. Q: How many input pins can be expanded using MC74HC165AFEL? A: MC74HC165AFEL can expand 8 input pins, allowing you to connect multiple switches, buttons, or sensors to a single microcontroller pin.

  4. Q: How does MC74HC165AFEL work? A: MC74HC165AFEL works by shifting in the state of each input pin sequentially into its internal register, which can then be read by the microcontroller.

  5. Q: Can MC74HC165AFEL be used with both 3.3V and 5V microcontrollers? A: Yes, MC74HC165AFEL is compatible with both 3.3V and 5V microcontrollers as it operates within a wide voltage range.

  6. Q: How fast can MC74HC165AFEL shift in the input states? A: MC74HC165AFEL can shift in the input states at a maximum clock frequency of 25 MHz.

  7. Q: Can MC74HC165AFEL be daisy-chained to expand the number of input pins further? A: Yes, multiple MC74HC165AFEL chips can be daisy-chained together to expand the number of input pins even more.

  8. Q: Does MC74HC165AFEL have any built-in debouncing features for switch inputs? A: No, MC74HC165AFEL does not have built-in debouncing features. External debouncing circuitry may be required for switch inputs.

  9. Q: Can MC74HC165AFEL be used in both digital and analog applications? A: MC74HC165AFEL is primarily designed for digital applications and is not suitable for analog signals.

  10. Q: Are there any specific precautions to consider when using MC74HC165AFEL? A: It is important to ensure that the voltage levels of the input signals are within the specified range and that the maximum current limits are not exceeded to prevent damage to the chip.

I hope these questions and answers help! Let me know if you have any more queries.