Texas Instruments

CD74HC4520M  

Unclassified

CD74HC4520M Description

The CD74HC4520M from Texas Instruments is a high-speed, dual 4-bit binary counter designed for synchronous counting applications. Operating within a 2V to 6V supply range, this IC delivers reliable performance with a 35 MHz count rate, making it suitable for high-frequency digital systems. Housed in a 16-SOIC package, it features two independent 4-bit counters with asynchronous reset and synchronous timing, ensuring precise control over counting operations. Its positive and negative edge-triggered inputs provide flexibility in clocking schemes, while the up-counting direction simplifies sequential logic designs.

CD74HC4520M Features

• Dual 4-bit counters: Two independent binary counters in a single package, reducing board space and component count.
• High-speed operation: 35 MHz count rate enables use in timing-critical applications.
• Wide voltage range: 2V to 6V supply compatibility supports mixed-voltage systems.
• Synchronous counting: Ensures precise timing alignment across multiple counters.
• Asynchronous reset: Immediate counter clearing without clock dependency.
• Edge-triggered clocking: Supports both positive and negative clock edges for design flexibility.
• RoHS3 compliant: Meets environmental standards for lead-free manufacturing.
• Surface-mount (SOIC) packaging: Ideal for compact PCB designs.

CD74HC4520M Applications

The CD74HC4520M excels in applications requiring high-speed counting and synchronization, such as:

• Frequency dividers: Used in clock generation and signal conditioning circuits.
• Digital event counters: Ideal for industrial automation and instrumentation.
• Sequential logic systems: Employed in state machines and control logic.
• Timing and delay circuits: Provides precise timing intervals in communication systems.
• Embedded systems: Suitable for microcontroller-based designs needing reliable counting.

Conclusion of CD74HC4520M

The CD74HC4520M stands out for its dual-counter architecture, high-speed performance, and flexible clocking options, making it a versatile choice for digital counting applications. Its wide operating voltage and robust timing characteristics ensure compatibility with diverse system requirements. While classified as Last Time Buy, its REACH unaffected and RoHS3 compliance make it a dependable solution for legacy and new designs alike. Engineers seeking a compact, high-performance binary counter will find this IC well-suited for precision timing and control tasks.

CD74HC4520M Documents

Download datasheets and manufacturer documentation for CD74HC4520M

Datasheets :

CD54,74HC(T)4518,20      

PCN Obsolescence/ EOL :

Mult Dev EOL 30/Aug/2023      

HTML Datasheet :

CD54,74HC(T)4518,20      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018       Design 25/Feb/2022