HEF4021BT,652

Product Overview

Category

HEF4021BT,652 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics for data storage and transfer applications.

Characteristics

• HEF4021BT,652 is a 8-bit static shift register.
• It operates on a wide supply voltage range of 3 V to 15 V.
• The IC has a high noise immunity due to its Schmitt-trigger action.
• It offers a low power consumption, making it suitable for battery-powered devices.

Package

HEF4021BT,652 is available in a standard SOIC-16 package.

Essence

The essence of this product lies in its ability to store and shift data in a digital circuit.

Packaging/Quantity

HEF4021BT,652 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 3 V to 15 V
• Logic Family: CMOS
• Number of Bits: 8
• Package Type: SOIC-16
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. Serial Data Input (DS)
2. Clock Input (CP)
3. Parallel Load Input (PL)
4. Serial Output (Q7S)
5. Serial Data Output (Q7)
6. Clock Enable Input (CE)
7. Reset Input (MR)
8. Ground (GND)
9. Q0 Output
10. Q1 Output
11. Q2 Output
12. Q3 Output
13. Q4 Output
14. Q5 Output
15. Q6 Output
16. Positive Supply Voltage (VDD)

Functional Features

• Serial-to-parallel data conversion
• Parallel data loading
• Shift register functionality
• Clock enable and reset control
• Schmitt-trigger action for noise immunity

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows for versatile applications.
• Low power consumption makes it suitable for battery-powered devices.
• High noise immunity due to Schmitt-trigger action ensures reliable operation.

Disadvantages

• Limited number of bits (8) may not be sufficient for certain applications requiring larger data storage.

Working Principles

HEF4021BT,652 operates as a static shift register. It receives serial data input and shifts it through the internal flip-flops with each clock pulse. The parallel load input allows for loading data in parallel. The clock enable input and reset input provide control over the shift register's operation.

Detailed Application Field Plans

HEF4021BT,652 finds applications in various digital systems, including but not limited to: - Data storage and transfer in microcontrollers - Serial-to-parallel conversion in communication systems - Input/output expansion in embedded systems - Shift register functionality in LED displays

Detailed and Complete Alternative Models

Some alternative models to HEF4021BT,652 include: - CD4021BE: 8-bit static shift register from Texas Instruments - MC74HC4021N: High-speed CMOS 8-bit shift register from ON Semiconductor - SN74HC165N: 8-bit parallel-in/serial-out shift register from Texas Instruments

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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