CD4021BEG4

Product Overview

Category

CD4021BEG4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for parallel-to-serial data conversion in various electronic applications.

Characteristics

• CD4021BEG4 is a CMOS 8-stage static shift register.
• It operates at a wide voltage range, typically between 3V and 18V.
• The IC has a high-speed clock input and serial data output.
• It offers low power consumption and high noise immunity.
• CD4021BEG4 is designed to be compatible with most TTL families.

Package

The CD4021BEG4 IC is available in a standard 16-pin DIP (Dual In-line Package) format.

Essence

The essence of CD4021BEG4 lies in its ability to convert parallel data into serial data, making it suitable for applications requiring data transmission over limited channels.

Packaging/Quantity

CD4021BEG4 is typically packaged in reels or tubes, with each reel containing approximately 2,000 units.

Specifications

• Supply Voltage: 3V - 18V
• Operating Temperature Range: -55°C to +125°C
• Clock Frequency: Up to 5 MHz
• Input Capacitance: 3 pF
• Output Current: ±6 mA

Pin Configuration

The CD4021BEG4 IC has a total of 16 pins. The detailed pin configuration is as follows:

1. Serial Data Input (DS)
2. Clock Input (CP)
3. Parallel Data Output (QH')
4. QH Output Enable (OE')
5. Ground (GND)
6. QH Output Enable (OE)
7. Serial Data Output (QS)
8. Parallel Data Input (D0)
9. Parallel Data Input (D1)
10. Parallel Data Input (D2)
11. Parallel Data Input (D3)
12. Parallel Data Input (D4)
13. Parallel Data Input (D5)
14. Parallel Data Input (D6)
15. Parallel Data Input (D7)
16. VCC (Supply Voltage)

Functional Features

• CD4021BEG4 can be cascaded to increase the number of parallel inputs.
• It has a synchronous serial data output, allowing easy interfacing with other devices.
• The IC offers a wide operating voltage range, making it suitable for various applications.
• It provides high noise immunity, ensuring reliable data transmission.

Advantages and Disadvantages

Advantages

• Low power consumption
• High noise immunity
• Wide operating voltage range
• Compatibility with most TTL families
• Easy cascading for increased input capacity

Disadvantages

• Limited clock frequency (up to 5 MHz)
• Relatively low output current (±6 mA)

Working Principles

CD4021BEG4 operates by shifting data from its parallel inputs to the serial output in response to clock pulses. When the clock input receives a pulse, the data at the parallel inputs is shifted one stage to the right. This allows the conversion of parallel data into serial format, which can be transmitted through the serial data output.

Detailed Application Field Plans

CD4021BEG4 finds application in various fields, including but not limited to: - Data communication systems - Serial data transmission - Industrial automation - Consumer electronics - Robotics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to CD4021BEG4 are: - SN74HC165N - CD74HC4094E - 74HC595N - CD4015BE - CD4511BE

These alternative models can be considered based on specific application requirements and availability.

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