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CD74HCT165MG4
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CD74HCT165MG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Shift Register
  • Characteristics: High-speed, CMOS technology
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: 8-bit parallel-in/serial-out shift register
  • Packaging/Quantity: Tape and Reel, 2500 pieces 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 Clock Frequency: 25 MHz
  • Number of Bits: 8
  • Logic Family: HCT (High-Speed CMOS)

Detailed Pin Configuration

The CD74HCT165MG4 has a total of 16 pins. The pin configuration is as follows:

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

Functional Features

  • Parallel-to-Serial Conversion: The CD74HCT165MG4 can convert parallel data inputs into serial data output.
  • Serial Data Input: Allows the user to input data serially.
  • Serial Data Output: Outputs the converted serial data.
  • Clock Input: Controls the shifting of data from parallel to serial.
  • Master Reset: Resets the shift register to its initial state.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide supply voltage range - Low power consumption - Compact package size

Disadvantages: - Limited number of bits (8) - Requires an external clock signal for operation

Working Principles

The CD74HCT165MG4 is a synchronous, 8-bit parallel-in/serial-out shift register. It operates by loading parallel data into its input pins (D0-D7) and shifting it out serially through the QH' pin. The shifting is controlled by the clock input (CLK). The master reset (MR) pin allows the user to reset the shift register to its initial state.

Detailed Application Field Plans

The CD74HCT165MG4 can be used in various applications that require parallel-to-serial conversion, such as:

  1. Serial Communication Systems: Used to convert parallel data from microcontrollers or other devices into a serial stream for transmission over communication lines.
  2. Data Logging: Enables the storage of multiple parallel inputs in a sequential manner, allowing efficient data logging.
  3. LED Matrix Control: Facilitates the control of LED matrices by converting parallel data into a serial stream that can be easily transmitted to the display.

Detailed and Complete Alternative Models

  1. SN74HC165: Similar 8-bit parallel-in/serial-out shift register with a different logic family (HC).
  2. CD4021B: 8-bit parallel-in/serial-out shift register with complementary outputs.
  3. 74HC595: 8-bit serial-in/parallel-out shift register with output latches.

These alternative models offer similar functionality but may have differences in specifications, pin configuration, and package type.

Word count: 346 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av CD74HCT165MG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of CD74HCT165MG4 in technical solutions:

  1. Q: What is CD74HCT165MG4? A: CD74HCT165MG4 is a high-speed CMOS 8-bit shift register with parallel input/output capability.

  2. Q: What is the operating voltage range for CD74HCT165MG4? A: The operating voltage range for CD74HCT165MG4 is typically between 2V and 6V.

  3. Q: What is the maximum clock frequency supported by CD74HCT165MG4? A: CD74HCT165MG4 can support clock frequencies up to 25 MHz.

  4. Q: How many parallel inputs/outputs does CD74HCT165MG4 have? A: CD74HCT165MG4 has 8 parallel inputs and 8 parallel outputs.

  5. Q: Can CD74HCT165MG4 be cascaded to increase the number of inputs/outputs? A: Yes, CD74HCT165MG4 can be cascaded to increase the number of inputs/outputs by connecting the serial output of one chip to the serial input of another.

  6. Q: What is the power consumption of CD74HCT165MG4? A: The power consumption of CD74HCT165MG4 is typically low, making it suitable for battery-powered applications.

  7. Q: Is CD74HCT165MG4 compatible with TTL logic levels? A: Yes, CD74HCT165MG4 is compatible with both TTL and CMOS logic levels.

  8. Q: Can CD74HCT165MG4 be used in both synchronous and asynchronous modes? A: Yes, CD74HCT165MG4 can be used in both synchronous and asynchronous modes of operation.

  9. Q: What is the typical propagation delay of CD74HCT165MG4? A: The typical propagation delay of CD74HCT165MG4 is around 15 ns.

  10. Q: What are some common applications of CD74HCT165MG4? A: CD74HCT165MG4 is commonly used in applications such as data acquisition systems, serial-to-parallel conversion, parallel-to-serial conversion, and shift register-based designs.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.