8T49N285A-996NLGI

Overview

The 8T49N285A-996NLGI is a FemtoClock NG jitter attenuator IC from Renesas Electronics. It operates as a single-circuit device with a maximum output frequency of 1GHz. The component is housed in a 56-VFQFN package featuring an exposed pad, measuring 8x8 mm with a 0.5 mm pitch. It supports multiple output types including LVPECL, LVDS, HCSL, and LVCMOS, accommodating voltage levels of 1.8V, 2.5V, and 3.3V.

Feature Summary

• Provides high-performance clock signal conditioning through jitter attenuation technology.
• Functions as a universal frequency translator capable of generating precise timing signals.
• Offers flexible output configuration options to support various logic families.

Applications

• High-speed data communication systems requiring low jitter clocks
• Telecommunications infrastructure equipment
• Server and storage subsystems

Procurement Notes

Verify the complete part number against official Renesas documentation to ensure correct suffix alignment. Confirm that the specific variant matches the required output voltage and package specifications for your design. Cross-reference the datasheet revision history to validate electrical characteristics before finalizing procurement orders.

Selection Notes

Select this component when designing systems that require significant jitter reduction for high-frequency signals up to 1GHz. Ensure the application environment supports the thermal requirements of the VFQFN package. Evaluate the compatibility of the supported output standards (LVPECL, LVDS, etc.) with downstream receiver inputs to guarantee signal integrity.

Part Context

This device belongs to the FemtoClock NG series, which focuses on advanced clock generation and distribution solutions. It is manufactured by Renesas Electronics Corporation, formerly IDT, leveraging established expertise in timing semiconductor technologies for enterprise and industrial applications.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic replacements may not match the specific jitter performance or pinout configuration. Verify functional equivalence with models like the 8T49N285A-998NLGI only if datasheet parameters align precisely.

FAQ

What is the maximum operating frequency of this jitter attenuator?

The device supports output frequencies up to 1GHz.

Which output voltage levels are supported?

It accommodates 1.8V, 2.5V, and 3.3V output voltage levels.