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74HC165DB,112
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74HC165DB,112

Product Overview

Category

The 74HC165DB,112 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
  • Wide operating voltage range
  • Low power consumption
  • Schmitt-trigger action on all inputs
  • Direct interface with TTL levels
  • Complies with JEDEC standard no. 7A

Package

The 74HC165DB,112 is available in a small outline package (SOIC) with 16 pins.

Essence

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

Packaging/Quantity

The 74HC165DB,112 is typically packaged in reels and comes in quantities of 2500 units per reel.

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 +125°C
  • Maximum clock frequency: 25 MHz

Detailed Pin Configuration

The 74HC165DB,112 has 16 pins arranged as follows:

  1. SER (Serial Data Input)
  2. QH' (Serial Data Output)
  3. QH (Serial Data Output)
  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)
  14. SH/LD (Shift/Load)
  15. CLK (Clock Input)
  16. VCC (Supply Voltage)

Functional Features

The 74HC165DB,112 offers the following functional features:

  • Parallel-to-serial data conversion
  • Shift and load modes of operation
  • Master reset functionality
  • Schmitt-trigger action on all inputs for noise immunity
  • Direct interface with TTL levels for easy integration

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient data transfer
  • Wide operating voltage range allows compatibility with various systems
  • Low power consumption reduces energy requirements
  • Schmitt-trigger action on all inputs enhances noise immunity
  • Direct interface with TTL levels simplifies integration

Disadvantages

  • Limited maximum clock frequency of 25 MHz may not be suitable for high-speed applications
  • Availability in SOIC package only may limit certain design options

Working Principles

The 74HC165DB,112 operates by receiving parallel data inputs and converting them into serial data output. It can function in either shift mode or load mode, depending on the state of the SH/LD pin. The clock input controls the shifting of data, while the master reset (MR) pin resets the register to its initial state.

Detailed Application Field Plans

The 74HC165DB,112 finds application in various fields, including but not limited to: - Data acquisition systems - Industrial automation - Communication devices - Consumer electronics - Robotics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC165DB,112 include: - SN74HC165N - CD74HC165E - MC74HC165AN - 74HCT165N

These alternatives can be considered based on specific project requirements and availability.

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技術ソリューションにおける 74HC165DB,112 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 74HC165DB,112 in technical solutions:

  1. Q: What is the 74HC165DB,112? A: The 74HC165DB,112 is a shift register integrated circuit (IC) that can be used to expand the number of input pins on a microcontroller or other digital device.

  2. Q: How many input pins does the 74HC165DB,112 have? A: The 74HC165DB,112 has 8 input pins.

  3. Q: Can I daisy-chain multiple 74HC165DB,112 ICs together? A: Yes, you can daisy-chain multiple 74HC165DB,112 ICs together to further expand the number of input pins.

  4. Q: What is the maximum clock frequency supported by the 74HC165DB,112? A: The 74HC165DB,112 can support clock frequencies up to 25 MHz.

  5. Q: How do I connect the 74HC165DB,112 to a microcontroller? A: The 74HC165DB,112 requires connections for power (VCC and GND), clock (CLK), data input (SER), and data output (QH).

  6. Q: Can the 74HC165DB,112 be used with both 3.3V and 5V microcontrollers? A: Yes, the 74HC165DB,112 is compatible with both 3.3V and 5V microcontrollers as it has a wide supply voltage range.

  7. Q: What is the purpose of the parallel output pins (Q0-Q7) on the 74HC165DB,112? A: The parallel output pins allow you to read the state of all input pins simultaneously, providing a parallel data output.

  8. Q: Can I use the 74HC165DB,112 for both digital and analog inputs? A: No, the 74HC165DB,112 is designed for digital inputs only and cannot be used with analog signals.

  9. Q: Are there any special considerations for debouncing inputs when using the 74HC165DB,112? A: Yes, since the 74HC165DB,112 does not have built-in debouncing, you may need to implement external debouncing techniques if required.

  10. Q: What are some common applications of the 74HC165DB,112? A: The 74HC165DB,112 is commonly used in applications where there is a need for expanding the number of input pins, such as keypad scanning, button inputs, and multiplexing.