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HCF4021BEY
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HCF4021BEY

Product Overview

Category

HCF4021BEY belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for data storage and retrieval purposes in various electronic devices.

Characteristics

  • HCF4021BEY is a 8-bit static shift register.
  • It operates on a wide voltage range, typically between 3V and 18V.
  • The IC has a high noise immunity, making it suitable for use in noisy environments.
  • It offers a low power consumption, making it energy-efficient.

Package

HCF4021BEY is available in a DIP (Dual In-line Package) format.

Essence

The essence of HCF4021BEY lies in its ability to store and shift data efficiently within electronic circuits.

Packaging/Quantity

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

Specifications

  • Supply Voltage Range: 3V to 18V
  • Input Voltage Range: -0.5V to VDD + 0.5V
  • Operating Temperature Range: -55°C to 125°C
  • Output Current: ±6mA
  • Maximum Clock Frequency: 10MHz

Detailed Pin Configuration

HCF4021BEY consists of 16 pins, each serving a specific function:

  1. Clock (CLK)
  2. Serial Data Input (DS)
  3. Parallel Data Output (Q7)
  4. Enable (EN)
  5. Serial Data Output (Q7')
  6. Ground (GND)
  7. Parallel Data Input (D0)
  8. Parallel Data Input (D1)
  9. Parallel Data Input (D2)
  10. Parallel Data Input (D3)
  11. Parallel Data Input (D4)
  12. Parallel Data Input (D5)
  13. Parallel Data Input (D6)
  14. Parallel Data Input (D7)
  15. VDD (Positive Power Supply)
  16. Not Connected (NC)

Functional Features

  • HCF4021BEY can be used as a parallel-to-serial or serial-to-parallel converter.
  • It offers a synchronous parallel loading capability.
  • The IC has an internal 8-bit storage register and a shift register for data manipulation.

Advantages and Disadvantages

Advantages

  • Wide operating voltage range allows for versatile applications.
  • High noise immunity ensures reliable performance in noisy environments.
  • Low power consumption makes it energy-efficient.

Disadvantages

  • Limited clock frequency of 10MHz may restrict its use in high-speed applications.
  • Lack of built-in error detection or correction mechanisms.

Working Principles

HCF4021BEY operates based on the principles of digital logic circuits. It uses clock signals to control the shifting and storage of data within its registers. When clocked, the input data is shifted through the shift register, while the output data can be read from the parallel outputs. The enable pin controls the operation of the IC.

Detailed Application Field Plans

HCF4021BEY finds applications in various electronic systems, including but not limited to: - Data storage and retrieval systems - Serial-to-parallel or parallel-to-serial converters - Industrial automation - Communication devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to HCF4021BEY include: - CD4021B - SN74HC165 - MC74HC165A

These alternatives offer comparable features and can be used as substitutes depending on specific requirements.

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技術ソリューションにおける HCF4021BEY 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 HCF4021BEY in technical solutions:

Q1: What is HCF4021BEY? A1: HCF4021BEY is a type of integrated circuit (IC) commonly used as an 8-bit static shift register. It can be used for parallel-to-serial or serial-to-parallel data conversion.

Q2: What is the maximum clock frequency supported by HCF4021BEY? A2: The maximum clock frequency supported by HCF4021BEY is typically around 5 MHz.

Q3: How many inputs does HCF4021BEY have? A3: HCF4021BEY has a total of 8 inputs, labeled D0 to D7.

Q4: Can HCF4021BEY be cascaded to increase the number of inputs? A4: Yes, HCF4021BEY can be cascaded to increase the number of inputs. By connecting the output of one IC to the input of another, you can effectively expand the number of inputs.

Q5: What is the power supply voltage range for HCF4021BEY? A5: The power supply voltage range for HCF4021BEY is typically between 3V and 18V.

Q6: What is the typical power consumption of HCF4021BEY? A6: The typical power consumption of HCF4021BEY is relatively low, usually around a few milliwatts.

Q7: Can HCF4021BEY be used with both CMOS and TTL logic levels? A7: Yes, HCF4021BEY is compatible with both CMOS and TTL logic levels, making it versatile for various applications.

Q8: What is the output format of HCF4021BEY? A8: The output format of HCF4021BEY is serial, meaning the data is shifted out one bit at a time.

Q9: Can HCF4021BEY be used for parallel data input? A9: Yes, HCF4021BEY can be used for parallel data input. By connecting the desired data to the D0-D7 inputs simultaneously, it can be loaded into the shift register.

Q10: What are some common applications of HCF4021BEY? A10: HCF4021BEY is commonly used in applications such as data acquisition systems, digital counters, LED displays, and various other digital circuits that require parallel-to-serial or serial-to-parallel conversion.

Please note that these answers are general and may vary depending on specific datasheets and manufacturer specifications.