NXP USA Inc.
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74HC166D/AUJ
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74HC166D/AUJ

Product Overview

  • Category: Integrated Circuit
  • Use: Shift Register
  • Characteristics: High-speed, low-power, serial-in parallel-out shift register
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Serial to parallel data conversion
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Supply Voltage: 2V to 6V
  • Operating Temperature: -40°C to 125°C
  • Clock Frequency: 80 MHz
  • Number of Stages: 8-bit

Detailed Pin Configuration

  1. SER (Serial Data Input)
  2. QH' (Serial Output)
  3. QA-QH (Parallel Outputs)
  4. CLK (Clock Input)
  5. /SH_CP (Shift Register Clock Input)
  6. /ST_CP (Storage Register Clock Input)
  7. /OE (Output Enable)
  8. GND (Ground)
  9. QH (Cascade Output)
  10. VCC (Supply Voltage)

Functional Features

  • Serial-in parallel-out operation
  • Cascadable for larger systems
  • High-speed operation
  • Low power consumption

Advantages and Disadvantages

Advantages

  • High clock frequency
  • Wide operating voltage range
  • Easy cascading for expanding the number of stages

Disadvantages

  • Limited output current capability
  • Requires external components for certain applications

Working Principles

The 74HC166D/AUJ is a high-speed CMOS shift register that operates on a wide voltage range. It receives serial data and converts it into parallel output, making it suitable for various applications requiring data storage and transfer.

Detailed Application Field Plans

  • Industrial automation
  • Consumer electronics
  • Communication systems
  • Automotive electronics
  • Robotics

Detailed and Complete Alternative Models

  • SN74HC165N
  • CD4021BE
  • 74HC595D

This integrated circuit is widely used in various applications due to its high-speed operation, low power consumption, and ease of cascading for expanding the number of stages.

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Énumérez 10 questions et réponses courantes liées à l'application de 74HC166D/AUJ dans les solutions techniques

  1. What is the 74HC166D/AUJ used for?

    • The 74HC166D/AUJ is a parallel-in/serial-out shift register commonly used for input expansion in microcontroller-based systems.

  2. What is the maximum clock frequency supported by the 74HC166D/AUJ?

    • The 74HC166D/AUJ can support clock frequencies up to 25 MHz.

  3. How many input pins does the 74HC166D/AUJ have?

    • The 74HC166D/AUJ has 8 parallel input pins.

  4. What is the voltage supply range for the 74HC166D/AUJ?

    • The 74HC166D/AUJ operates within a voltage supply range of 2V to 6V.

  5. Can the 74HC166D/AUJ be cascaded to increase the number of inputs?

    • Yes, multiple 74HC166D/AUJ devices can be cascaded to expand the number of inputs.

  6. What is the typical power consumption of the 74HC166D/AUJ?

    • The typical power consumption of the 74HC166D/AUJ is low, making it suitable for battery-powered applications.

  7. Does the 74HC166D/AUJ have built-in debounce circuitry for input signals?

    • No, the 74HC166D/AUJ does not have built-in debounce circuitry and may require external debounce techniques if needed.

  8. Is the 74HC166D/AUJ compatible with 5V microcontrollers?

    • Yes, the 74HC166D/AUJ is compatible with 5V microcontrollers, making it versatile for various system designs.

  9. What is the typical output drive capability of the 74HC166D/AUJ?

    • The 74HC166D/AUJ has a typical output drive capability of 4 mA, suitable for driving standard logic levels.

  10. Are there any application notes or reference designs available for using the 74HC166D/AUJ in technical solutions?

    • Yes, application notes and reference designs are available from the manufacturer to assist in integrating the 74HC166D/AUJ into technical solutions.