CD4021BPWR

Shift Registers Overview

The CD4021BPWR is an 8-stage static shift register from the Texas Instruments 4000B series, manufactured using CMOS technology. It operates within a supply voltage range of 3 V to 18 V and supports serial-to-parallel data conversion. The device is housed in a 16-pin TSSOP package with dimensions of 5 x 4.4 x 1.15 mm. It functions reliably across an extended temperature range from -55 °C to +125 °C, utilizing rising-edge triggered clock inputs for data shifting.

Shift Registers Feature Summary

• Performs serial input to parallel output data conversion
• Supports direct asynchronous clear functionality
• Compatible with standard CMOS logic families

Shift Registers Applications

• Parallel data expansion in digital systems
• Input port extension for microcontrollers
• Data buffering applications

Shift Registers Procurement Notes

Verify the specific suffix 'BPWR' against the manufacturer's official datasheet to confirm the TSSOP-16 package and commercial grade specifications. Ensure the component matches the required operating temperature range and voltage parameters for your design. Cross-reference the ordering information directly with Texas Instruments documentation to avoid discrepancies.

Shift Registers Selection Notes

Select this component when an 8-bit parallel output is required from a serial source within the 4000B CMOS family. Consider the TSSOP-16 package constraints and the specified voltage limits. Evaluate thermal requirements against the -55 °C to +125 °C operational range before finalizing the design integration.

Shift Registers Part Context

This part belongs to the CD4000B series of CMOS logic devices produced by Texas Instruments. It serves as a fundamental building block for sequential logic circuits requiring serial-to-parallel transformation. The device is designed for general-purpose digital applications where low power consumption and wide voltage operation are necessary.

Shift Registers Replacement Considerations

Consult official substitution guides for equivalent parts such as the CD4021BE or other 4000B series variants. Verify pin compatibility and electrical characteristics before replacing.