MC14021BF

Shift Registers Overview

The MC14021BF is an 8-bit static shift register from the MC14000B series, manufactured by onsemi. It operates within a supply voltage range of 3 V to 18 V and supports serial-to-parallel data conversion. The device features parallel load capability and utilizes CMOS logic technology. It is housed in a 16-SOEIAJ surface-mount package and is rated for operation between -55 °C and +125 °C.

Shift Registers Feature Summary

• Supports serial input with simultaneous parallel loading capability
• Provides eight buffered outputs for direct interface applications
• Operates reliably across extended industrial temperature ranges

Shift Registers Applications

• Data acquisition systems requiring serial-to-parallel conversion
• Industrial control interfaces for status monitoring
• Communication equipment utilizing standard CMOS logic levels

Shift Registers Procurement Notes

Verify the specific suffix 'BF' against the manufacturer's current datasheet to confirm the exact package type and availability status. Ensure the component meets RoHS compliance requirements if mandated by the target application regulations. Cross-reference the ordering information directly with official onsemi documentation to avoid discrepancies.

Shift Registers Selection Notes

Select this component when an 8-bit shift register with parallel load functionality is required in a compact surface-mount form factor. Consider the wide operating voltage range and high noise immunity characteristics suitable for harsh environments. Verify that the SOEIAJ package dimensions fit the designated PCB layout constraints.

Shift Registers Part Context

This part belongs to the MC14000B series of CMOS digital logic integrated circuits. The series provides robust performance with low power consumption and high noise margins. These components are widely used in general-purpose logic applications requiring reliable signal processing and data storage capabilities.

Shift Registers Replacement Considerations

The CD4021B is identified as a pin-for-pin replacement option. Verify compatibility regarding electrical specifications and package dimensions before substitution.