8T49N203A-019NLGI8

Overview

The Renesas 8T49N203A-019NLGI8 is a FemtoClock NG Universal Frequency Translator IC. It operates within a supply voltage range of 2.375V to 3.465V and supports an input frequency up to 25MHz. The device features a 3:2 input-to-output ratio with differential input and output capabilities. It utilizes HCSL, LVDS, LVHSTL, or LVPECL input levels and provides LVPECL outputs. Packaged in a 40-VFQFN exposed pad (6x6mm), it functions across a temperature range of -40°C to 85°C.

Feature Summary

• Integrates FemtoClock NG PLL technology for low phase jitter performance
• Supports multiple differential input formats including LVDS, LVPECL, HCSL, and LVHSTL
• Configurable 3:2 input-to-output frequency translation ratio
• I2C serial interface for register programming and configuration

Applications

• High-speed data communication interfaces requiring precise clock synthesis
• Networking equipment utilizing Gigabit Ethernet standards
• Telecommunications infrastructure requiring jitter attenuation
• PCI Express compliant system designs

Procurement Notes

This component is designated as End-of-Life (EOL) by the manufacturer. Verification of current stock availability through authorized distributors is required. Buyers should confirm RoHS3 compliance status and review Product Change Notifications regarding assembly site or marking modifications prior to procurement.

Selection Notes

Select this part when a fixed 3:2 frequency ratio with differential I/O is required. Ensure the design accommodates the 40-VFQFN package thermal requirements. Verify that the target application supports the specific factory pre-programmed configurations associated with the -019 order code, as custom register settings may not be applicable without specific Renesas support.

Part Context

The 8T49N203A belongs to the FemtoClock NG family of universal frequency translators. This series integrates programmable PLLs and fanout buffers to provide flexible clock generation solutions. The 8T49N203A variant specifically targets applications needing a single PLL with multiple output banks and high-frequency translation capabilities.

Replacement Considerations

Publicly listed similar substitutes include the 8T49N241-994NLGI, 8T49N241-998NLGI, and 8T49N242-998NLGI8 from Renesas Electronics Corporation. These alternatives offer comparable functionality but require verification of pin compatibility and electrical specifications against the original design requirements.