CD4021BM96

Shift Registers Overview

The CD4021BM96 is an AC CMOS octal 3-state shift register manufactured by Texas Instruments. It features parallel or serial input and serial output capabilities within a single package. The device operates on a supply voltage range of 3V to 18V, ensuring compatibility with standard logic families. It utilizes a push-pull output configuration for robust signal driving. The component is housed in a 16-pin SOIC surface-mount package, designed for high-density circuit applications requiring efficient data shifting and storage.

Shift Registers Feature Summary

• Supports both parallel and serial data input modes for flexible system integration
• Provides serial output capability for cascading multiple registers
• Features full static operation with unlimited rise and fall times
• Includes dedicated clock and parallel/serial control inputs

Shift Registers Applications

• Game console controller interface circuits
• Key scanning matrix systems
• Data acquisition input buffering
• Serial-to-parallel conversion stages

Shift Registers Procurement Notes

Verify the specific suffix 'M96' corresponds to the tape and reel packaging format required for automated assembly processes. Confirm that the operating temperature range meets the environmental specifications of the target application. Ensure the design accounts for the static sensitivity inherent to CMOS technology during handling and installation procedures.

Shift Registers Selection Notes

Select this component when an octal shift register with mixed input options is required. It serves as a direct replacement for other CD4021 variants within the same logic family. Consider the 16-pin SOIC footprint constraints during PCB layout planning. Evaluate power consumption requirements against the low static current characteristics typical of this CMOS series.

Shift Registers Part Context

This part belongs to the Texas Instruments 4000B series of CMOS logic devices. It functions as an octal 3-state shift register, distinct from simple gates or decoders. The device is widely used in digital systems for temporary data storage and transfer operations. Its design supports standard industrial logic levels and timing requirements.

Shift Registers Replacement Considerations

HEF4021BT

Shift Registers FAQ

What are the available input configurations?

The CD4021BM96 supports both parallel loading via eight individual pins and serial input through a dedicated serial data pin.

How does the device handle clock signals?

It utilizes a common clock input (CP) to synchronize data shifting across all internal flip-flops simultaneously.