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HEF4021BT,653
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HEF4021BT,653

Product Overview

Category

HEF4021BT,653 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics applications for parallel-to-serial data conversion.

Characteristics

  • HEF4021BT,653 is a 8-bit static shift register.
  • It operates at a voltage range of 3V to 15V.
  • The device has a high noise immunity and low power consumption.
  • It is compatible with various logic families.

Package

HEF4021BT,653 is available in a standard SOIC-16 package.

Essence

The essence of HEF4021BT,653 lies in its ability to convert parallel data into serial data, making it suitable for applications requiring data transmission over a single line.

Packaging/Quantity

HEF4021BT,653 is typically packaged in reels containing 2500 units.

Specifications

  • Supply Voltage: 3V to 15V
  • Input Voltage: -0.5V to VDD + 0.5V
  • Output Voltage: -0.5V to VDD + 0.5V
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Clock Frequency: 20MHz

Detailed Pin Configuration

HEF4021BT,653 features a total of 16 pins. The pin configuration is as follows:

  1. Serial Data Input (DS)
  2. Parallel Data Inputs (D0-D7)
  3. Clock Input (CP)
  4. Clock Enable Input (CE)
  5. Serial Data Output (QH')
  6. Ground (GND)
  7. Parallel Data Outputs (Q0-Q7)
  8. Supply Voltage (VDD)

Functional Features

  • Parallel-to-Serial Conversion: HEF4021BT,653 can convert parallel data inputs into a serial data stream.
  • Serial Data Output: The device provides a serial data output (QH') for further processing or transmission.
  • Clock Enable Input: The clock enable input (CE) allows the user to control the shift register operation.
  • High Noise Immunity: HEF4021BT,653 has a high noise immunity, ensuring reliable data transmission.

Advantages and Disadvantages

Advantages

  • Low power consumption
  • Wide operating voltage range
  • Compatibility with various logic families
  • High noise immunity

Disadvantages

  • Limited maximum clock frequency (20MHz)
  • Only supports 8-bit parallel-to-serial conversion

Working Principles

HEF4021BT,653 operates based on the principle of shifting data bits from the parallel inputs (D0-D7) to the serial output (QH'). The clock input (CP) controls the shifting process, while the clock enable input (CE) determines whether the shift register is enabled or disabled. When enabled, the parallel data inputs are sequentially shifted out through the serial output.

Detailed Application Field Plans

HEF4021BT,653 finds applications in various fields, including:

  1. Serial data communication systems
  2. Data logging devices
  3. Industrial automation
  4. Robotics
  5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to HEF4021BT,653 include:

  1. CD4021BE
  2. SN74HC165N
  3. 74HC595

These models offer similar functionality and can be used interchangeably depending on specific requirements.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät HEF4021BT,653 :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of HEF4021BT,653:

Q1: What is the HEF4021BT,653? A1: The HEF4021BT,653 is a 8-bit static shift register with serial input and parallel output. It is commonly used in digital circuits for data storage and transfer.

Q2: What is the maximum clock frequency of the HEF4021BT,653? A2: The maximum clock frequency of the HEF4021BT,653 is typically around 20 MHz.

Q3: How many bits can the HEF4021BT,653 store? A3: The HEF4021BT,653 can store 8 bits of data.

Q4: What is the purpose of the serial input in the HEF4021BT,653? A4: The serial input allows you to shift data into the shift register one bit at a time.

Q5: Can the HEF4021BT,653 be cascaded to increase the number of bits stored? A5: Yes, multiple HEF4021BT,653 chips can be cascaded together to increase the number of bits stored.

Q6: How do I read the data stored in the HEF4021BT,653? A6: The parallel outputs of the HEF4021BT,653 can be connected to other digital components to read the stored data.

Q7: What is the voltage supply range for the HEF4021BT,653? A7: The voltage supply range for the HEF4021BT,653 is typically between 3V and 15V.

Q8: Can the HEF4021BT,653 be used in both CMOS and TTL logic systems? A8: Yes, the HEF4021BT,653 is compatible with both CMOS and TTL logic systems.

Q9: What is the power consumption of the HEF4021BT,653? A9: The power consumption of the HEF4021BT,653 is typically low, making it suitable for battery-powered applications.

Q10: Can the HEF4021BT,653 be used in both digital and analog circuits? A10: No, the HEF4021BT,653 is specifically designed for use in digital circuits and is not suitable for analog applications.

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