High-Performance 3.3V LVTTL/LVCMOS Clock Generator with 1:10 Differential Outputs - SY89328LMG-TR

In the realm of high-speed digital systems, the demand for precise and low-jitter clock distribution is paramount. The SY89328LMG-TR stands out as a premier solution, engineered to meet the rigorous timing requirements of advanced networking, telecommunications, and computing applications. This integrated circuit is a 3.3V LVTTL/LVCMOS clock generator specifically designed to deliver exceptional performance and signal integrity.

At the heart of this device's capability is its 1:10 differential output configuration. This architecture is critical for distributing a single, high-quality clock source to multiple downstream components while minimizing skew and jitter. Each of the ten outputs can be configured to support various differential logic standards, such as LVPECL, LVDS, or HSTL, providing designers with remarkable flexibility for interfacing with FPGAs, ASICs, and processors. The device accepts a fundamental-mode crystal or a single-ended LVCMOS/LVTTL reference clock as its input, making it highly versatile for different system architectures.

A key performance metric for any clock generator is jitter, and the SY89328LMG-TR excels in this area. It features exceptionally low additive phase jitter, typically measured at less than 0.3 ps RMS (12 kHz – 20 MHz). This ultra-low jitter is indispensable for maintaining high signal-to-noise ratios (SNR) in systems employing high-speed SerDes (Serializer/Deserializer) channels, directly contributing to lower bit-error rates (BER) and enhanced overall system reliability.

The device operates from a single 3.3V power supply, simplifying power management design. It incorporates advanced PLL (Phase-Locked Loop) technology to multiply the input frequency to the desired output frequency with high accuracy. Furthermore, the SY89328LMG-TR includes integrated termination resistors on its differential outputs, which not only saves valuable board space but also simplifies layout and improves signal quality by minimizing reflections.

Housed in a compact, surface-mount 32-pin VFQFN package, this clock generator is built for space-constrained applications. Its industrial temperature range ensures reliable operation across demanding environmental conditions. The inclusion of output enable (OE) pins allows for manual control of the outputs, facilitating power management and system debugging.

ICGOOODFIND: The SY89328LMG-TR is a high-performance, flexible clock generator that provides ten ultra-low-jitter differential outputs from a single reference. Its robust feature set, including multi-protocol support and integrated termination, makes it an ideal choice for designers aiming to optimize timing performance and reliability in next-generation high-speed digital systems.

Keywords: Clock Generator, Low Jitter, Differential Outputs, LVTTL/LVCMOS, Phase-Locked Loop (PLL)