8T49N286-998NLGI8

Overview

The 8T49N286-998NLGI8 is a FemtoClock NG Universal Frequency Translator manufactured by Renesas Electronics. It operates within a supply voltage range of 2.375V to 3.465V and supports input levels including HCSL, LVCMOS, LVDSM, LVHSTL, LVPECL, and crystals. The device provides an input-to-output ratio of 5:8 with differential capabilities. It features a maximum frequency of 1GHz and is housed in a 72-VFQFN exposed pad package (10x10mm). The component functions as a clock synthesizer or jitter cleaner compliant with GR.1244 Stratum standards.

Feature Summary

• Supports 5:8 input-to-output ratio with differential inputs and outputs
• Maximum operating frequency of 1GHz
• Compatible with multiple input formats including LVPECL, LVDS, and crystal oscillators
• Operates within -40°C to 85°C temperature range

Applications

• GR.1244 Stratum compliant timing systems
• Jitter cleaning applications
• Clock synthesis for high-speed digital interfaces

Procurement Notes

Verify the exact suffix against official documentation, as standard listings often use '998NLGI8'. Confirm moisture sensitivity level (MSL 3) and reflow soldering profiles prior to assembly. Ensure the specific order code matches the required factory pre-programmed configuration for the target application frequencies.

Selection Notes

Select this model when a 5-input to 8-output frequency translation architecture is required. Verify that the 72-VFQFN package dimensions fit the PCB layout constraints. Ensure the design accommodates the 2.375V to 3.465V power supply requirements and I2C programming interface for register configuration.

Part Context

This component belongs to the Renesas FemtoClock NG family, designed for low-jitter clock generation and distribution. It serves as a universal frequency translator capable of accepting various input references and generating multiple independent output frequencies up to 1GHz.

Replacement Considerations

Direct pin-compatible replacements are not explicitly documented in public sources. Evaluate other models within the 8T49N286 series or the broader 8T49N2xx family for functional equivalence, ensuring input/output ratios and package types match.