Home / Shift Registers / CD4021BPW/
CD4021BPW

CD4021BPW

Manufacturer No:

CD4021BPW

Manufacturer:

Texas Instruments

Description:

IC STATIC SHFT REG 8STG 16-TSSOP

Datasheet:

Datasheet

Delivery:

Payment:

Please send RFQ , we will respond immediately.

CD4021BPW Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-TSSOP
  • Package / Case
    16-TSSOP (0.173", 4.40mm 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
  • Packaging
    Bulk
  • Product Status
    Discontinued at Digi-Key
  • Series
    4000B
The CD4021BPW is a CMOS 8-stage static shift register chip with serial input and parallel output. It has several advantages and application scenarios, including:1. Serial to Parallel Conversion: The CD4021BPW chip allows for the conversion of serial data input into parallel data output. This is useful in applications where data needs to be processed in parallel, such as in data acquisition systems or digital displays.2. Expandability: Multiple CD4021BPW chips can be cascaded together to increase the number of parallel outputs. This makes it suitable for applications that require a large number of input devices, such as keyboard scanning or multiplexing.3. Low Power Consumption: The CD4021BPW operates at a low supply voltage and consumes very low power. This makes it suitable for battery-powered devices or applications where power efficiency is crucial.4. Easy Interface: The chip has a simple 3-wire interface (serial data input, clock, and parallel data output) which makes it easy to interface with microcontrollers or other digital circuits.5. Noise Immunity: The CD4021BPW has built-in noise immunity features, such as Schmitt trigger inputs, which help in reducing the impact of noise and signal distortions.Application scenarios for CD4021BPW include:1. Keypad Scanning: The chip can be used to scan a matrix keypad and provide parallel output indicating which keys are pressed. This is commonly used in applications like security systems, industrial control panels, or electronic locks.2. Data Acquisition: The CD4021BPW can be used in data acquisition systems to convert serially received data from sensors or analog-to-digital converters into parallel data for further processing or display.3. LED Display Control: The chip can be used to control multiple LEDs in a display by converting serially received data into parallel outputs. This is commonly used in applications like seven-segment displays or dot matrix displays.4. Multiplexing: The CD4021BPW can be used in multiplexing applications where multiple input devices need to be connected to a limited number of microcontroller pins. By cascading multiple chips, a larger number of input devices can be accommodated.5. Shift Register Applications: The chip can be used in various shift register applications, such as data storage, data transfer, or serial-to-parallel conversion in digital systems.Overall, the CD4021BPW chip offers a versatile and efficient solution for serial-to-parallel conversion and finds applications in a wide range of digital systems and devices.
CD4021BPW Relevant information