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CD4021BM

CD4021BM

Manufacturer No:

CD4021BM

Manufacturer:

Texas Instruments

Description:

IC STATIC SHFT REG 8STG 16-SOIC

Datasheet:

Datasheet

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CD4021BM Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-SOIC
  • Package / Case
    16-SOIC (0.154", 3.90mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -55°C ~ 125°C
  • Voltage - Supply
    3V ~ 18V
  • Function
    Parallel or Serial to Serial
  • Number of Bits per Element
    8
  • Number of Elements
    1
  • Output Type
    Push-Pull
  • Logic Type
    Shift Register
  • Packaging
    Tube
  • Product Status
    Discontinued at Digi-Key
  • Series
    4000B
The CD4021BM is a CMOS 8-stage static shift register chip with serial input and parallel output. It has several advantages and application scenarios:Advantages: 1. Simple and easy to use: The CD4021BM is a straightforward chip that requires minimal external components and can be easily integrated into various electronic circuits. 2. Low power consumption: Being a CMOS chip, it operates at low power levels, making it suitable for battery-powered devices. 3. Serial to parallel conversion: It can convert a serial input signal into parallel output signals, which is useful in applications where multiple inputs need to be processed simultaneously. 4. Cascadable: Multiple CD4021BM chips can be cascaded together to increase the number of input/output channels, making it suitable for applications requiring a large number of inputs or outputs.Application scenarios: 1. Input expansion: The CD4021BM can be used to expand the number of input channels in microcontroller-based systems. By connecting multiple CD4021BM chips in parallel, the number of inputs can be increased without using multiple microcontroller pins. 2. Button/keypad scanning: It can be used to scan multiple buttons or keys in a matrix arrangement. Each CD4021BM chip can handle multiple rows or columns of buttons, and by cascading multiple chips, a large number of buttons can be scanned using fewer microcontroller pins. 3. Data acquisition: The CD4021BM can be used in data acquisition systems to sample and convert analog signals into digital form. By connecting an analog-to-digital converter (ADC) to the serial input of the CD4021BM, multiple analog channels can be sampled and converted simultaneously. 4. LED control: It can be used to control multiple LEDs or other digital outputs. By connecting the parallel outputs of the CD4021BM to LED drivers or other digital control circuits, a large number of LEDs or outputs can be controlled using fewer microcontroller pins.Overall, the CD4021BM integrated circuit chip offers simplicity, low power consumption, and versatility in various applications requiring input expansion, serial to parallel conversion, and digital control.
CD4021BM Relevant information