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CD4021BE +BOM

8-Bit Counter Shift Registers

CD4021BE Information

Description

The Texas Instruments CD4021BE is an 8-stage static shift register in a CMOS technology, packaged in a 16-pin DIP. It features a serial input and parallel output, allowing for the conversion of parallel data to serial data. The device has a wide range of clock frequencies it can operate with, making it suitable for various applications. The CD4021BE also has a direct clear input, which enables the register to be cleared quickly when needed. This component is commonly used in applications requiring parallel-to-serial data conversion, such as serial data transfer, data logging, and interfacing with serial communication protocols like SPI and I2C.

Features

The CD4021BE features an 8-bit shift register with serial input and parallel output, allowing for the conversion of parallel data to serial data. It has a direct clear input for clearing the register, making it easy to reset the device. The CD4021BE also works with a wide range of clock frequencies, making it suitable for use in various applications. Additionally, it is compatible with most microcontrollers and logic devices, and has low power consumption.

Package

The package type of CD4021BE is PDIP-16, which stands for Plastic Dual In-Line Package with a 16-pin configuration.

Pinout

The CD4021BE has a pin count of 16, packaged in a PDIP-16 package.

Here's a concise summary of its pin functions:

  • Pins 1-8: Parallel outputs (Q0-Q7)
  • Pin 9: Serial input (SI)
  • Pin 10: Clock input (CK)
  • Pin 11: Direct clear input (DC)
  • Pins 12-15: Ground
  • Pin 16: VCC

This device is an 8-stage static shift register with a serial input and parallel outputs, suitable for various applications requiring parallel-to-serial data conversion.

Manufacturer

The manufacturer of the CD4021BE is Texas Instruments (TI). TI is a multinational semiconductor company that designs, manufactures, and tests semiconductors and other electronic components. The company was founded in 1930 and is headquartered in Dallas, Texas. TI is one of the largest and most well-known semiconductor companies in the world, with a wide range of products including microprocessors, memory chips, and analog and digital integrated circuits.

Applications

The CD4021BE is commonly used in applications requiring parallel-to-serial data conversion, such as serial data transfer, data logging, shift registers, and interfacing with serial communication protocols like SPI and I2C. It can be found in various electronic devices where conversion of parallel data to serial data is needed.

Equivalent

The equivalent products of CD4021BE are:

  • 74HC595
  • 74HCT595
  • 40195
  • 4020

These ICs are all 8-bit serial-in/parallel-out shift registers with similar functionality to the CD4021BE. They may have slightly different specifications or packaging, but they can be used as substitutes in many applications.

Specifications

Category Integrated Circuits (ICs)LogicShift Registers Logic Type Shift Register
Output Type Push-Pull Number of Elements 1
Number of Bits per Element 8 Function Parallel or Serial to Serial
Voltage - Supply 3V ~ 18V Operating Temperature -55°C ~ 125°C
Mounting Type Through Hole Base Product Number CD4021
Package/Case DIP16

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Ratings and Reviews

More
N
N**s 09/12/2023

Good product and fast shipping. Have not tested yet.

13
S
S**s 01/17/2023

Items arrived in perfect condition. Installed and working great!!

9
T
T**A 11/03/2022

good...and best of all, on time!

14
A
A**n 09/08/2021

I have modules. I hope the workers

1

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