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74HC165D,653
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74HC165D,653

Product Overview

Category

The 74HC165D,653 belongs to the category of integrated circuits (ICs) and specifically falls under the family of shift registers.

Use

This IC is primarily used for parallel-to-serial data conversion. It allows multiple inputs to be sequentially read through a single input pin, making it useful in applications where space is limited or when a large number of inputs need to be processed.

Characteristics

  • High-speed operation: The 74HC165D,653 is capable of operating at high clock frequencies, enabling fast data transfer.
  • Low power consumption: This IC is designed to minimize power consumption, making it suitable for battery-powered devices.
  • Wide voltage range: It can operate within a wide voltage range, typically from 2V to 6V, providing flexibility in various applications.
  • Schmitt-trigger action on clock input: The Schmitt-trigger action ensures reliable clock signal detection, enhancing noise immunity.

Package

The 74HC165D,653 is available in a small outline package (SOIC) with 16 pins. This package offers compactness and ease of integration into circuit designs.

Essence

The essence of the 74HC165D,653 lies in its ability to convert parallel data inputs into serial output using a minimal number of pins, thereby optimizing space utilization and simplifying data processing.

Packaging/Quantity

The 74HC165D,653 is commonly packaged in reels or tubes, with each reel containing 2500 units or each tube containing 75 units.

Specifications

  • Supply voltage: 2V to 6V
  • Input/output voltage levels: CMOS/TTL compatible
  • Maximum clock frequency: 25 MHz
  • Operating temperature range: -40°C to +125°C
  • Input capacitance: 3.5 pF
  • Output current: ±6 mA

Detailed Pin Configuration

The 74HC165D,653 has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

  1. Serial data output (QH')
  2. Clock input (CP)
  3. Parallel data input (A)
  4. Parallel data input (B)
  5. Parallel data input (C)
  6. Parallel data input (D)
  7. Parallel data input (E)
  8. Parallel data input (F)
  9. Parallel data input (G)
  10. Parallel data input (H)
  11. Ground (GND)
  12. Parallel load input (PL)
  13. Enable input (CE)
  14. Serial data input (DS)
  15. Shift/load control input (SH/LD)
  16. Supply voltage (VCC)

Functional Features

  • Parallel-to-serial conversion: The 74HC165D,653 can convert parallel data inputs into a serial output stream.
  • Cascadable: Multiple ICs can be cascaded together to increase the number of inputs that can be read sequentially.
  • Asynchronous parallel loading: The parallel load input allows for asynchronous loading of data into the shift register.
  • Schmitt-trigger clock input: The Schmitt-trigger action on the clock input ensures reliable clock signal detection even in the presence of noise.

Advantages and Disadvantages

Advantages

  • Compact size and low power consumption make it suitable for space-constrained and battery-powered applications.
  • High-speed operation enables fast data transfer.
  • Wide voltage range provides flexibility in various applications.
  • Schmitt-trigger action enhances noise immunity.

Disadvantages

  • Limited number of parallel inputs compared to other shift registers.
  • Requires additional circuitry for cascading multiple ICs.

Working Principles

The 74HC165D,653 operates based on the principle of parallel-to-serial data conversion. When the parallel load input (PL) is low, the parallel data inputs (A-H) are loaded into the shift register. On the rising edge of the clock input (CP), the data is shifted out serially through the serial data output (QH'). The number of clock pulses determines the number of bits that are sequentially read.

Detailed Application Field Plans

The 74HC165D,653 finds applications in various fields where parallel-to-serial data conversion is required. Some specific application areas include: - Data acquisition systems - Industrial automation - Communication equipment - Test and measurement instruments - Robotics

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to the 74HC165D,653. Some notable alternatives include: - SN74HC165N: This IC from Texas Instruments offers similar features and pin configuration. - CD74HC165E: Manufactured by Texas Instruments, this IC is a drop-in replacement for the 74HC165D,653. - MC74HC165AN: This IC from ON Semiconductor provides comparable performance and compatibility.

These alternative

技術ソリューションにおける 74HC165D,653 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 74HC165D,653:

  1. Q: What is the 74HC165D,653? A: The 74HC165D,653 is an 8-bit parallel-in/serial-out shift register IC.

  2. Q: What is the purpose of a shift register? A: A shift register is used to convert parallel data into serial data or vice versa.

  3. Q: How many inputs does the 74HC165D,653 have? A: The 74HC165D,653 has 8 parallel inputs.

  4. Q: Can the 74HC165D,653 be used for both input and output operations? A: No, it is primarily used for input operations.

  5. Q: What is the maximum clock frequency supported by the 74HC165D,653? A: The 74HC165D,653 can operate at a maximum clock frequency of 25 MHz.

  6. Q: How do I connect multiple 74HC165D,653 ICs together? A: You can daisy-chain multiple ICs by connecting the serial output (Q7) of one IC to the serial input (DS) of the next IC.

  7. Q: Can the 74HC165D,653 handle different voltage levels for inputs? A: Yes, it is compatible with a wide range of voltage levels, typically from 2V to 6V.

  8. Q: How do I read the data from the 74HC165D,653? A: You can read the data by shifting it out serially using the clock (CLK) and latch enable (ST_CP) signals.

  9. Q: Can I use the 74HC165D,653 with microcontrollers like Arduino? A: Yes, the 74HC165D,653 can be easily interfaced with microcontrollers using digital input/output pins.

  10. Q: What are some common applications of the 74HC165D,653? A: The 74HC165D,653 is commonly used in applications such as data acquisition systems, keypad scanning, and parallel-to-serial conversion.

Please note that these answers are general and may vary depending on specific use cases and requirements.