8T49N008A-060NLGI

Overview

The 8T49N008A-060NLGI is a programmable FemtoClock NG clock generator manufactured by Renesas Electronics. It features eight selectable LVPECL or LVDS outputs and utilizes fourth-generation PLL technology with a VCO range of 1.92GHz to 2.5GHz. The device supports differential input levels including LVPECL, LVDS, and HCSL. It provides low RMS phase jitter performance, such as 225fs typical at 156.25MHz (12KHz to 20MHz). The component operates from a full 2.5V or 3.3V power supply and includes an I2C programming interface for register configuration.

Feature Summary

• Generates up to eight selectable LVPECL or LVDS output clocks
• Supports multiple differential input levels including LVPECL, LVDS, and HCSL
• Configurable via I2C programming interface
• Compliant with PCI Express Gen2 and Gen3 jitter specifications

Applications

• PCI Express (2.5Gb/s) systems
• PCI Express Gen2 (5Gb/s) systems
• PCI Express Gen3 (8Gb/s) systems

Procurement Notes

Verify the exact suffix '060' against official Renesas documentation to confirm specific factory pre-programmed configurations. Confirm RoHS compliance status and package type details directly from the datasheet before procurement.

Selection Notes

Select this component when designing systems requiring low jitter clock generation for high-speed interfaces like PCIe Gen2 or Gen3. Ensure the design accommodates the required 2.5V or 3.3V supply voltage and utilizes the appropriate differential signaling standards supported by the device outputs.

Part Context

This part belongs to the FemtoClock NG family of clock generators. It is designed to provide precise timing solutions for high-performance digital applications. The series is known for its flexibility in generating multiple frequencies from a single reference source.

Replacement Considerations

Consult official Renesas documentation for verified substitute part numbers. Generic replacements may not match the specific jitter performance or output configuration requirements.