Texas Instruments

CD4521BM

CD4521BM Description

The CD4521BM from Texas Instruments is a high-performance 24-bit binary counter/divider IC designed for precision timing and frequency division applications. Part of the 4000B series, this surface-mount device operates over a wide voltage range of 3V to 18V, making it versatile for both low-power and industrial applications. With a count rate of 13 MHz, it ensures reliable performance in high-speed digital systems. The asynchronous reset and negative-edge triggering provide precise control over counting operations, while its ROHS3 compliance and REACH unaffected status ensure environmental and regulatory adherence. Packaged in a 16-SOIC tube, it is suitable for automated assembly processes.

CD4521BM Features

• 24-bit binary counter/divider for extended timing and division accuracy.
• Wide supply voltage range (3V–18V), supporting diverse system requirements.
• High-speed operation with a 13 MHz count rate, ideal for fast digital circuits.
• Negative-edge triggering ensures stable and noise-immune clocking.
• Asynchronous reset for immediate counter initialization.
• Surface-mount 16-SOIC package, optimized for compact PCB designs.
• ROHS3 compliant and REACH unaffected, meeting global environmental standards.
• Moisture Sensitivity Level (MSL) 1, suitable for extended storage and handling.

CD4521BM Applications

The CD4521BM excels in applications requiring long-duration timing, frequency division, and digital signal processing, such as:

• Clock generation and synchronization in microcontrollers and FPGAs.
• Precision timing circuits for industrial automation and instrumentation.
• Frequency dividers in communication systems and RF applications.
• Event counters in test and measurement equipment.
• Power management systems where stable timing is critical.

Conclusion of CD4521BM

The CD4521BM stands out for its 24-bit resolution, high-speed performance, and robust voltage tolerance, making it a superior choice for engineers designing advanced digital systems. Its asynchronous reset and edge-triggered operation enhance flexibility, while its compliance with environmental standards ensures long-term reliability. Ideal for high-precision timing and frequency division, this IC is a dependable solution for industrial, communication, and embedded applications.