CD4021BE

The CD4021BE is a CMOS (Complementary Metal-Oxide-Semiconductor) integrated circuit that functions as an 8-stage serial-in, parallel-out shift register. It is designed for digital applications requiring data storage and manipulation. The device can shift bits in one direction (from input to output) and is commonly used in applications such as data conversion, signal processing, and interfacing with microcontrollers.
Key features include:
- 8-bit storage: It can hold up to 8 bits of data.
- Parallel output: All stored bits can be accessed simultaneously.
- Low power consumption: Operates efficiently at low voltage levels, typically from 3V to 15V.
- Versatile control: The shift operation can be controlled via clock inputs, allowing synchronization with other digital circuits.
The CD4021BE is widely used in various electronic projects, making it a popular choice for hobbyists and professionals alike. Its ease of use and ability to interface seamlessly with other digital devices enhance its applicability in modern electronics.

The CD4021BE is a CMOS 8-bit parallel-in/serial-out shift register with the following key features:
1. Functionality: It allows data to be loaded in parallel and then shifted out serially, making it suitable for data communication and processing applications.
2. Operating Voltage: Supports a wide supply voltage range from 3V to 15V, ensuring compatibility with various systems.
3. Input Structure: Designed with high-input impedance, enabling direct interfacing with other logic families.
4. Pulsed Data Entry: Data is entered on the rising edge of the clock, ensuring synchronized operation.
5. Asynchronous Reset: Allows for immediate resetting of the register contents, enhancing control over the data flow.
6. Low Power Consumption: CMOS technology provides low power operation, making it ideal for battery-powered applications.
7. Temperature Range: Operates across a standard temperature range of -55°C to +125°C.
8. Package Options: Available in various package types, including DIP and SOP, for easy integration into different designs.
The CD4021BE is widely used in digital circuits for data manipulation and storage.

The CD4021BE is typically available in a 16-pin dual in-line package (DIP) format. It is also available in surface mount packages, such as SOIC and TSSOP. This IC is a 8-bit static shift register used for data storage and transfer applications.

The CD4021BE is an 8-bit parallel-in/serial-out shift register. It has a total of 16 pins, each serving specific functions:
1. Pin 1 (Q7): Serial output.
2. Pin 2 (Q6): Bit 6 output.
3. Pin 3 (Q5): Bit 5 output.
4. Pin 4 (Q4): Bit 4 output.
5. Pin 5 (Q3): Bit 3 output.
6. Pin 6 (Q2): Bit 2 output.
7. Pin 7 (Q1): Bit 1 output.
8. Pin 8 (Q0): Bit 0 output.
9. Pin 9 (GND): Ground.
10. Pin 10 (VDD): Supply voltage (typically +3V to +15V).
11. Pin 11 (PL): Parallel load input; loads data from the data inputs.
12. Pin 12 (SRCLR): Shift register clear; clears all outputs when activated.
13. Pin 13 (SH/LD): Shift/load control; selects between shifting and loading.
14. Pin 14 (CLK): Clock input; triggers shifting or loading on the clock edge.
15. Pin 15 (D0-D7): Data inputs for parallel loading.
16. Pin 16 (D8): Reserved, typically not used.
This configuration allows the CD4021BE to function effectively in digital applications for data storage and transfer.

The CD4021BE is manufactured by various semiconductor companies, with Texas Instruments being one of the well-known producers. Texas Instruments is a multinational company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide array of electronic devices. Founded in 1930, the company is recognized for its innovations in analog and digital signal processing technologies and is a key player in the electronics industry. Texas Instruments primarily serves markets such as automotive, industrial, and consumer electronics, providing solutions for both high-performance applications and everyday electronics.

The CD4021BE is a 8-stage static shift register used in various applications, including data storage, digital signal processing, and serial-to-parallel data conversion. It is commonly utilized in microcontroller interfacing, LED control, and as a memory element in digital circuits. Additionally, it can be employed in frequency dividers and clock pulse generation. Its versatility makes it suitable for both hobbyist projects and industrial applications.

The CD4021BE is a 8-stage parallel-in/serial-out shift register. Equivalent products include:
1. 74HC165: A high-speed CMOS parallel-in/serial-out shift register.
2. 74HC595: An 8-bit shift register with output latches.
3. MC14536: A CMOS 8-bit shift register.
These alternatives offer similar functionalities, but check specifications for voltage and speed requirements.