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)
- 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
- 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.