9FG1200DG-1LF

Overview

The 9FG1200DG-1LF is a clock distribution integrated circuit designed for PCI Express and FBD applications. It operates with a maximum frequency of 400MHz and accepts an HCSL input to generate HCSL outputs. The device supports a 1:12 input-to-output ratio and features differential signaling capabilities. It functions within a supply voltage range of 3.135V to 3.465V and maintains operation across a temperature range of 0°C to 70°C. The component is housed in a 56-TFSOP package.

Feature Summary

• Generates high-frequency clock signals for PCIe and FBD systems
• Supports differential output configurations for signal integrity
• Integrates phase-locked loop technology for clock generation

Applications

• PCI Express clock distribution networks
• Fully Buffered DIMM memory system timing
• Server motherboard clock generation

Procurement Notes

This component is officially listed as obsolete by the manufacturer. Availability is restricted to existing stock or third-party distributors. Verify authenticity through authorized channels due to end-of-life status. Confirm package markings and datasheet revisions match original specifications before integration into new designs.

Selection Notes

Select this part for legacy systems requiring specific 400MHz HCSL distribution. Ensure design compatibility with the 56-TFSOP footprint. Consider pinout differences compared to newer variants. Validate thermal performance within the specified operating range. Review replacement options if long-term supply stability is required for production.

Part Context

The 9FG1200 series belongs to Renesas' family of clock generators optimized for high-speed digital interfaces. This specific variant targets memory and expansion slot timing requirements. It replaces earlier generations with improved jitter performance. The device integrates multiple buffers to drive complex board topologies efficiently.

Replacement Considerations

• 9FG1200DG-1LFT