CD4021BE

The CD4021BE is an 8-stage static shift register integrated circuit, primarily used for parallel-to-serial data conversion. It is part of the CD4000 series of ICs, which are known for their robustness and versatility in digital logic applications. The device can handle both static and dynamic logic signals, making it suitable for a wide range of electronic projects and systems.
Key features of the CD4021BE include:
1. 8-bit Shift Register: It can store 8 bits of data, shifting them out serially on each clock pulse.
2. Parallel Load Capability: The register can load 8 bits of parallel data simultaneously.
3. Wide Supply Voltage Range: Operates from 3V to 15V, making it suitable for battery-powered devices.
4. High Noise Immunity: The IC is designed to handle noisy environments.
5. Low Power Consumption: Ideal for energy-efficient applications.
6. ESD Protection: Enhanced durability against electrostatic discharge.
Common applications include data storage, data conversion, and interfacing with microcontrollers for extending input/output capabilities. Its simple operation and compatibility with various logic families make it a staple in educational and prototyping contexts.

The CD4021BE is an 8-bit parallel-in/serial-out shift register. Equivalent products include the MC14021 from ON Semiconductor, the HEF4021B from NXP, and the TC4021BP from Toshiba. These chips serve similar functions and are used in applications involving data conversion and shift register operations. Always check the datasheets to ensure pin compatibility and electrical characteristics match your design requirements.

The CD4021BE is a versatile 8-stage static shift register with serial input and parallel or serial output capabilities. Key features include:
1. 8-Bit Shift Register: It can store up to eight bits of data, making it useful for applications that require serial-to-parallel conversion.
2. Serial Input: Data can be loaded serially, accommodating a range of input configurations.
3. Parallel Outputs: Allows for simultaneous access to all stored bits, facilitating parallel data processing.
4. Operating Voltage Range: Functions within a wide voltage range of 3V to 15V, suitable for various digital circuits.
5. Low Power Consumption: CMOS technology ensures minimal power usage, making it energy-efficient.
6. High Noise Immunity: Features high noise margin, enhancing reliability in digital applications.
7. Static Operation: No clock is required for holding data, reducing complexity and improving stability.
8. TTL Compatibility: Can interface with TTL logic levels, increasing versatility in mixed-technology systems.
These features make the CD4021BE ideal for applications like keypad interfaces, data storage, and serial data extension.

The CD4021BE is a CMOS 8-bit static shift register with serial and parallel inputs and serial outputs, designed for data processing applications. It comes in a 16-pin dual in-line package (DIP). Here's a concise pin description:
1. Pin 1 (Q8): Serial output of the 8th bit.
2. Pin 2 (Q7): Parallel data input/output for the 7th bit.
3. Pin 3 (Q6): Parallel data input/output for the 6th bit.
4. Pin 4 (Q5): Parallel data input/output for the 5th bit.
5. Pin 5 (Q4): Parallel data input/output for the 4th bit.
6. Pin 6 (Q3): Parallel data input/output for the 3rd bit.
7. Pin 7 (Q2): Parallel data input/output for the 2nd bit.
8. Pin 8 (VSS): Ground.
9. Pin 9 (Q1): Parallel data input/output for the 1st bit.
10. Pin 10 (IN/OUT): Serial data input or output.
11. Pin 11 (CLOCK INHIBIT): Disables the clock to stop shifting.
12. Pin 12 (CLOCK): Clock input for data shifting.
13. Pin 13 (PARALLEL LOAD): Enables parallel loading of data.
14. Pin 14 (P/S): Mode control for parallel or serial operation.
15. Pin 15 (Q0): Parallel data input/output for the 0th bit.
16. Pin 16 (VDD): Positive supply voltage.
This IC is commonly used for expanding input ports in microcontrollers.

The CD4021BE is manufactured by Texas Instruments (TI), an American technology company known for designing and manufacturing semiconductors and various integrated circuits. Texas Instruments is one of the largest semiconductor companies in the world and is particularly well-known for its analog chips and embedded processors, which are used in a wide array of electronic devices across different industries. The company was founded in 1930 and is headquartered in Dallas, Texas. TI's products are integral to consumer electronics, automotive systems, industrial machinery, communications equipment, and more.

The CD4021BE is a CMOS 8-stage static shift register, commonly used in applications requiring data storage or transfer. Key application areas include digital data processing, where it is used for serial-to-parallel data conversion, and digital control systems for expanding input capabilities, such as reading multiple switches or sensors. It is also utilized in communication systems for data sequencing and manipulation. Additionally, the CD4021BE is employed in automotive and industrial automation systems for interfacing microcontrollers with multiple inputs or outputs, as well as in consumer electronics for implementing custom user interfaces or keypads. Its versatility makes it suitable for a wide range of digital circuit applications.

The CD4021BE is an integrated circuit in a Dual Inline Package (DIP), specifically a 16-pin DIP. This package type is commonly used for through-hole mounting on printed circuit boards.