onsemi NB3N5573DTR2G: A Precision 3V LVCMOS Programmable Clock Generator
In the realm of modern electronics, the demand for precise and flexible clock generation is paramount. The onsemi NB3N5573DTR2G stands out as a highly integrated solution designed to meet these critical timing needs. This programmable clock generator is engineered to provide exceptional performance in a wide array of applications, from networking equipment and telecommunications infrastructure to data storage and computing systems.
Operating from a single 3.3V power supply, the NB3N5573DTR2G is optimized for Low Voltage CMOS (LVCMOS) environments, making it an ideal choice for power-sensitive and portable designs. Its programmability is a key feature, allowing designers to configure output frequencies with remarkable precision. This is achieved through an I²C serial interface, which enables dynamic frequency adjustment and control without requiring hardware changes. This flexibility supports rapid prototyping and simplifies inventory management by reducing the need for multiple fixed-frequency oscillators.

The device utilizes a fundamental mode crystal (ranging from 8 MHz to 32 MHz) or an external reference clock as its input. It then employs an internal Phase-Locked Loop (PLL) to synthesize a wide range of output frequencies. The NB3N5573DTR2G can generate two independent LVCMOS clock outputs, each capable of being programmed to different frequencies, providing essential timing signals to various system components like processors, FPGAs, and ASICs.
A significant advantage of this clock generator is its excellent signal integrity. The outputs feature very low additive jitter, which is crucial for maintaining high data integrity and minimizing bit errors in high-speed serial data links. Furthermore, the device includes options for spread spectrum modulation, a feature that helps reduce electromagnetic interference (EMI) by spreading the clock energy over a broader frequency band. This aids in passing stringent EMI compliance tests, a common challenge in electronic design.
Housed in a compact, space-saving TSSOP-16 package, the NB3N5573DTR2G is designed for high-volume manufacturing and offers a robust solution for complex timing architectures. Its combination of programmability, low power operation, and high performance makes it an invaluable component for engineers aiming to optimize their system's timing and reliability.
ICGOODFIND: The onsemi NB3N5573DTR2G is a versatile and high-performance programmable clock generator that delivers precise frequency synthesis, low jitter, and EMI reduction features, all critical for advanced electronic systems requiring reliable and clean clock signals.
Keywords: Programmable Clock Generator, LVCMOS, Low Jitter, I²C Interface, Spread Spectrum
