Texas Instruments
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CD74HCT165E
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CD74HCT165E

Product Overview

Category

CD74HCT165E belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for parallel-in/serial-out (PISO) shift register applications.

Characteristics

  • High-speed operation
  • Compatibility with TTL inputs
  • Schmitt-trigger action on all inputs
  • Wide operating voltage range: 2V to 6V
  • Low power consumption
  • Balanced propagation delays
  • Direct interface with CMOS, NMOS, and TTL

Package

CD74HCT165E is available in a 16-pin DIP (Dual Inline Package) format.

Essence

The essence of CD74HCT165E lies in its ability to convert parallel data into serial data, making it suitable for various digital applications.

Packaging/Quantity

CD74HCT165E is typically packaged in tubes or reels, with quantities varying based on customer requirements.

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 Clock Frequency: 25 MHz
  • Number of Inputs: 8
  • Number of Outputs: 1

Detailed Pin Configuration

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

Functional Features

  • Parallel-to-serial data conversion
  • Shift and load modes of operation
  • Schmitt-trigger inputs for noise immunity
  • Direct interface with various logic families
  • High-speed operation for efficient data transfer
  • Wide operating voltage range for compatibility

Advantages and Disadvantages

Advantages

  • High-speed operation allows for quick data transfer.
  • Compatibility with TTL inputs enables easy integration into existing systems.
  • Schmitt-trigger action on all inputs provides noise immunity.
  • Wide operating voltage range allows for versatile applications.
  • Low power consumption ensures energy efficiency.

Disadvantages

  • Limited number of outputs restricts the complexity of applications.
  • Lack of built-in error detection or correction mechanisms.

Working Principles

CD74HCT165E operates based on the principle of parallel-to-serial data conversion. It receives parallel data inputs and converts them into a serial data stream based on clock pulses. The shift and load modes of operation allow for flexible data handling. The IC's internal circuitry ensures high-speed operation, compatibility with different logic families, and noise immunity through Schmitt-trigger inputs.

Detailed Application Field Plans

CD74HCT165E finds applications in various digital systems, including but not limited to: - Serial data communication - Data acquisition systems - Industrial automation - Robotics - Digital displays - LED matrix control - Keypad scanning - Sensor interfacing

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to CD74HCT165E are: - SN74HC165N - 74HC165 - CD4015BE - 74LS165 - 74HCT165

These models offer similar functionality and can be used interchangeably based on specific requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням CD74HCT165E у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of CD74HCT165E in technical solutions:

  1. Q: What is CD74HCT165E? A: CD74HCT165E is a high-speed CMOS device, specifically a 8-bit parallel-in/serial-out shift register.

  2. Q: What is the purpose of CD74HCT165E? A: CD74HCT165E is commonly used for parallel-to-serial data conversion or serial data expansion in various digital applications.

  3. Q: What is the maximum clock frequency supported by CD74HCT165E? A: CD74HCT165E can operate at a maximum clock frequency of 25 MHz.

  4. Q: How many input pins does CD74HCT165E have? A: CD74HCT165E has 8 input pins, allowing it to receive parallel data.

  5. Q: Can CD74HCT165E be cascaded to increase the number of input bits? A: Yes, multiple CD74HCT165E devices can be cascaded together to increase the number of input bits.

  6. Q: What is the output format of CD74HCT165E? A: CD74HCT165E outputs data in a serial format, with one bit being shifted out at a time.

  7. Q: Does CD74HCT165E support both synchronous and asynchronous operation? A: No, CD74HCT165E only supports synchronous operation, meaning that the data is sampled on the rising edge of the clock signal.

  8. Q: What is the power supply voltage range for CD74HCT165E? A: CD74HCT165E operates with a power supply voltage range of 4.5V to 5.5V.

  9. Q: Can CD74HCT165E tolerate higher voltages on its inputs? A: No, CD74HCT165E is not tolerant of voltages higher than its power supply voltage. It is recommended to use level shifters if interfacing with higher voltage systems.

  10. Q: What are some common applications of CD74HCT165E? A: CD74HCT165E is commonly used in applications such as data acquisition systems, serial communication interfaces, LED matrix control, and parallel-to-serial conversion in microcontrollers.

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