REN9DBV0441AKLF

Overview

The 9DBV0441AKLF is a high-performance 1.8V 4-output differential clock buffer designed specifically for PCIe Gen1-G5 and 10G Ethernet applications. It functions as a zero-delay or fanout buffer with a 1:4 input-to-output ratio, utilizing HCSL-compatible signaling to provide low-jitter clock distribution. The device is highly configurable through strapping pins or a 3.3V tolerant SMBus interface, allowing for precise control over PLL bandwidth and output characteristics.

Why Choose This Part

This buffer offers exceptional flexibility with programmable slew rates and output amplitudes, allowing engineers to tune signal integrity for specific PCB trace lengths. It operates on a low 1.7V to 1.9V supply, significantly reducing power consumption compared to traditional 3.3V buffers while maintaining spread spectrum compatibility. The inclusion of OE# pins and PLL lock blocking ensures clean power management and reliable system startup.

Applications

Getting Started

When designing with this IC, ensure the thermal pad of the 32-VFQFPN package is correctly soldered to a ground plane for heat dissipation. Configure the PLL_BW and SMBus address via strapping pins at power-up, or use an external microcontroller to access the 3.3V tolerant SMBus for real-time adjustments. Refer to the Renesas Timing Commander software tool for assistance in calculating optimal configuration settings.

9DBV0441 Family

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