CD4521BPW

Counter Dividers Overview

The CD4521BPW is a CMOS frequency divider integrated circuit manufactured by Texas Instruments. It operates within a supply voltage range of 3 V to 18 V and features a 24-stage binary counter architecture. The device supports both rate multiplication and frequency division functions, utilizing a single circuit configuration. It is housed in a TSSOP-16 surface-mount package and is designed for industrial temperature ranges spanning from -55 °C to +125 °C.

Counter Dividers Feature Summary

• Supports simultaneous frequency division and rate multiplication operations via dedicated input pins.
• Features a 24-stage synchronous binary counter structure for high-ratio signal processing.
• Provides flexible output options through multiple divided frequency taps.

Counter Dividers Applications

• Digital clock generation circuits requiring precise frequency scaling.
• Microprocessor system timing and reset sequencing logic.
• Frequency synthesizer stages in communication equipment.

Counter Dividers Procurement Notes

Verify the specific suffix 'PW' corresponds to the TSSOP-16 package variant when sourcing. Confirm RoHS compliance status with the manufacturer or authorized distributor prior to procurement. Ensure design compatibility with the specified 3 V to 18 V operating voltage range and industrial temperature limits.

Counter Dividers Selection Notes

Select this component for applications requiring a single-chip solution for both dividing and multiplying frequencies. The wide supply voltage range allows compatibility with various logic families. Consider the TSSOP-16 package constraints regarding thermal dissipation and board space compared to larger DIP packages.

Counter Dividers Part Context

This part belongs to the CD4500B series of CMOS logic devices, which are standard components for general-purpose digital logic applications. The CD4521B specifically addresses timing needs where variable division ratios are required without external discrete components.

Counter Dividers Replacement Considerations

CD4521BE (DIP-16 package equivalent).

Counter Dividers FAQ

Can the CD4521BPW function as both a divider and a multiplier?

Yes, the device supports both frequency division and rate multiplication modes simultaneously depending on the configuration of its input pins.

What is the maximum number of division stages available?

The internal architecture consists of 24 binary stages, allowing for significant frequency reduction ratios.