8T49N008A-005NLGI8

Overview

The 8T49N008A-005NLGI8 is a programmable clock generator from the FemtoClock NG series, manufactured by Renesas Electronics Corporation. It features one input channel and four LVPECL output channels, supporting a maximum frequency of 300MHz. The device operates on a single supply voltage ranging from 2.375V to 3.465V and is housed in a 32-VFQFN package with an exposed pad. It supports differential inputs including HCSL, LVDS, and LVPECL. The component is designed for low jitter applications and includes I2C programming capabilities.

Feature Summary

• Four LVPECL outputs with differential input support
• Maximum operating frequency of 300MHz
• Single supply voltage range of 2.375V to 3.465V
• 32-VFQFN (5x5) package with exposed pad

Applications

• High-speed serial communication interfaces
• Data acquisition systems requiring precise timing
• Test and measurement equipment

Procurement Notes

This product is listed as discontinued or obsolete. Verification of availability through authorized distributors or surplus suppliers is required. Check for relevant Product Change Notices (PCN) regarding end-of-life status and last-time buy dates before procurement planning.

Selection Notes

Select this component when four synchronized LVPECL clocks are needed from a single reference source within the 300MHz limit. Ensure the design accommodates the 32-VFQFN thermal requirements. Verify that the specific factory pre-programmed configuration matches the target application frequencies, as custom reprogramming may not be feasible for obsolete stock.

Part Context

Part of the FemtoClock NG family, which utilizes fourth-generation PLL technology for low phase jitter performance. This specific model provides a fixed configuration optimized for specific frequency sets, differing from fully user-programmable variants in the same series.

Replacement Considerations

As the part is discontinued, direct substitutes must be sourced from inventory or secondary markets. Evaluate alternative FemtoClock models with compatible pinouts and electrical specifications if redesigning.