CD4021 shift register

The CD4021BM/CD4021BC is a CMOS 8-stage static shift register IC that provides 8-bit serial-in/parallel-out shift register functionality. It allows serial data input and parallel data output, making it suitable for various digital data storage and manipulation applications. The CD4021BM/CD4021BC operates with low power consumption and is designed to be compatible with a wide range of supply voltages.

Key Features:

• 8-stage static shift register
• Serial-in/parallel-out data transfer
• Wide supply voltage range: 3V to 15V
• Low power consumption
• Buffered inputs and outputs for improved signal integrity
• TTL-compatible inputs
• Direct clock input (CP)
• Serial data input (DS)
• Parallel data output (Q outputs)

Technical Specifications:

• Supply Voltage (VDD): 3V to 15V
• Input Voltage Range: 0V to VDD
• High-Level Output Voltage (VOH): VDD – 0.05V (min at VDD = 5V)
• Low-Level Output Voltage (VOL): 0.05V (max at VDD = 5V)
• High-Level Input Voltage (VIH): 70% of VDD (min)
• Low-Level Input Voltage (VIL): 30% of VDD (max)
• Propagation Delay Time: 60 ns (typical at VDD = 10V)
• Operating Temperature Range: -55°C to +125°C
• Package: 16-pin DIP, SOIC

Applications:

• Digital Data Storage: Used for temporary storage of digital data in serial format.
• Data Shift Registers: Suitable for serial-to-parallel data conversion and vice versa.
• Data Transfer: Used in applications requiring sequential data transfer and manipulation.
• Clock and Timing Circuits: Implemented in digital systems for clock pulse generation and timing functions.
• LED Display Drivers: Applied in LED display drivers for multiplexing and scanning.
• Control and Logic Circuits: Ideal for logic control circuits and sequential logic operations.

Datasheet:
For detailed technical information, refer to the CD4021 Datasheet.