CD4021BMG4

Shift Registers Overview

The CD4021BMG4 is an automotive-grade, 8-stage static shift register from the Texas Instruments 4000B series. It features a synchronous serial data input and an asynchronous active-high parallel load input. The device provides buffered parallel outputs from its last three stages. It operates within a supply voltage range of 3V to 18V and supports a wide operating temperature range from -55°C to +125°C. The component is housed in a 16-pin SOIC package.

Shift Registers Feature Summary

• Provides eight-bit static shift register functionality with serial-to-parallel conversion capabilities.
• Includes an asynchronous active-high parallel load input for immediate data loading.
• Features buffered parallel outputs derived from the final three stages of the register.

Shift Registers Applications

• Automotive electronic systems requiring AEC-Q100 qualified logic components
• Industrial control interfaces utilizing serial data acquisition
• Consumer electronics employing CMOS logic families

Shift Registers Procurement Notes

Verify the specific suffix 'MG4' against the official datasheet to confirm RoHS compliance and lead-free status. Ensure the selected package matches the required PCB footprint. Confirm that the operating environment falls within the specified temperature and voltage limits before procurement.

Shift Registers Selection Notes

Select this component when an 8-bit shift register with buffered outputs is required for automotive or industrial applications. It serves as a suitable alternative to standard commercial grade parts where extended temperature ranges and reliability are necessary. Compare pin compatibility with existing designs to ensure seamless integration.

Shift Registers Part Context

This part belongs to the CD4000B series of CMOS logic devices manufactured by Texas Instruments. The series includes various gates, flip-flops, and registers designed for general-purpose digital applications. The CD4021 variant specifically addresses data storage and transfer needs in serial communication protocols.

Shift Registers Replacement Considerations

Direct replacements include CD4021B and CD4021BE. Verify pinout compatibility and electrical specifications before substituting. Other manufacturers offer equivalent 8-bit shift registers, but functional equivalence must be confirmed via respective datasheets.