The NXP HEF4021BP,652 is a high-performance, 8-bit static shift register designed for use in a wide range of electronic applications. This integrated circuit (IC) is part of the HEF4000 family, which is known for its robustness and versatility. The HEF4021BP,652 is particularly suitable for interfacing with microprocessors, where it can be used to expand the input/output capabilities or to convert serial data to parallel format and vice versa.

Key Features

• 8-Bit Serial or Parallel Input/Output: The device can handle 8-bit serial or parallel data inputs and outputs, providing flexibility in how data is managed and transferred within a system.
• Medium Speed Operation: It operates at moderate speeds, which is sufficient for a variety of applications, including but not limited to, digital control circuits and data processing systems.
• Direct Drive to 7-segment Displays: The outputs are capable of directly driving 7-segment displays, making it an excellent choice for digital readout systems.
• Static Operation: The static nature of the HEF4021BP,652 allows it to maintain the state of the data without the need for a constant clock, which is beneficial for power-sensitive applications.
• Standardized Symmetrical Output Characteristics: The IC offers standardized and symmetrical output characteristics, ensuring reliable and predictable performance across different operational conditions.
• Complies with JEDEC standard no. 7A: Compliance with industry standards ensures compatibility and ease of integration into existing and new designs.

Applications

The HEF4021BP,652 is ideal for a variety of applications, including:

• Serial-to-parallel data conversion
• Parallel-to-serial data conversion
• Interface with microprocessors
• Digital control circuits
• Remote control systems
• Sequential operations

Technical Specifications

The HEF4021BP,652 operates over a wide voltage range and has a standard temperature range, making it suitable for commercial-grade applications. It comes in a 16-lead DIP (Dual In-line Package) which is easy to handle and integrate into various circuit boards.

Conclusion

With its combination of features, the NXP HEF4021BP,652 shift register is a highly adaptable component that can meet the needs of many digital systems, providing a reliable and efficient solution for data handling and display interfacing.