8T49N222B-124NLGI

Overview

The 8T49N222B-124NLGI is a Universal Frequency Translator from the FemtoClock NG series by Renesas Electronics. It features an integrated PLL with bypass capability and supports HCSL, LVDS, LVHSTL, LVPECL, and crystal inputs. The device provides one LVDS output channel with a 3:2 input-to-output ratio. It operates within a supply voltage range of 2.375V to 3.465V and supports maximum frequencies up to 1GHz. The component is housed in a 48-VFQFN package with an exposed pad, rated for operation between -40°C and 85°C.

Feature Summary

• Integrates a programmable PLL with bypass functionality for flexible clock generation.
• Supports multiple input standards including HCSL, LVDS, LVHSTL, LVPECL, and crystals.
• Provides differential LVDS outputs with configurable frequency translation ratios.

Applications

• High-speed data communication systems requiring precise clock translation
• Server and storage infrastructure clock distribution networks
• Telecommunications equipment utilizing multi-standard input interfaces

Procurement Notes

Verify the specific suffix code against official Renesas documentation to confirm exact electrical characteristics and packaging configuration. Ensure compatibility with system voltage requirements and thermal management specifications for the 48-VFQFN package. Confirm RoHS compliance status and moisture sensitivity level prior to integration into manufacturing processes.

Selection Notes

Select this component when a universal frequency translator with mixed-mode input support is required. Consider the 3:2 ratio and LVDS output format for specific interface matching needs. Evaluate the operating temperature range and supply voltage constraints against the target application environment to ensure reliable performance.

Part Context

This part belongs to the 8T49N222 family of FemtoClock NG devices, designed for low-jitter clock generation and translation. It serves as a bridge between different clock domains in high-performance computing and networking applications. The VFQFN package offers a compact solution for space-constrained designs requiring robust signal integrity.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic replacements may not match the specific input/output standard combinations or jitter performance characteristics of the original component.