CD4518BCN

Counter Dividers Overview

The CD4518BCN is a dual BCD up-counter integrated circuit manufactured by onsemi. It operates within a supply voltage range of 3V to 15V and supports clock frequencies up to 6MHz at 10V. The device features two independent synchronous 4-bit counters with interchangeable clock and enable inputs, allowing for positive or negative edge triggering. It utilizes CMOS technology in a 24-pin PDIP package.

Counter Dividers Feature Summary

• Dual independent synchronous 4-bit BCD counter architecture
• Interchangeable clock and enable lines for flexible edge triggering
• Synchronous internal carry propagation for cascading operations

Counter Dividers Applications

• Multistage synchronous counting systems
• Frequency divider circuits
• Ripple counting applications

Counter Dividers Procurement Notes

Verify the specific manufacturer designation, as the 'CD' prefix typically denotes RCA/Intersil heritage while onsemi produces the MC series. Confirm the package type matches the required form factor, as the BCN suffix indicates a DIP variant. Ensure the component meets the necessary voltage and temperature specifications for the target application environment before procurement.

Counter Dividers Selection Notes

Select this component when dual independent decade counting is required with flexible trigger polarity options. The interchangeable clock and enable inputs simplify interface design compared to fixed-trigger counters. Verify that the 3V to 15V operating range aligns with the system power supply constraints and that the synchronous carry propagation meets timing requirements for cascaded configurations.

Counter Dividers Part Context

This component belongs to the standard CMOS logic family designed for general-purpose digital counting tasks. It provides a robust solution for applications requiring precise binary-coded decimal counting with low power consumption. The dual configuration allows for compact implementation of complex counting sequences without requiring multiple discrete chips.

Counter Dividers Replacement Considerations

Direct substitutes include the MC14518B from onsemi and the CD4518BE from Texas Instruments. These alternatives share identical logical functionality and pinouts. Verify package compatibility and ensure the replacement part meets the same voltage and temperature ratings.