49FCT3805SOGI

Overview

The Renesas 49FCT3805SOGI is a dual 1-to-5 clock driver and fanout buffer designed for high-speed clock distribution applications. Operating on a single 3V to 3.6V supply, the device integrates two independent driver banks, each providing five outputs from a single input with dedicated output enable controls. It utilizes advanced CMOS technology to ensure low input capacitance and minimal signal skew, making it suitable for demanding timing requirements. The component is housed in a 20-pin SOIC package and supports an industrial operating temperature range of -40°C to +85°C.

Feature Summary

• Dual 1:5 Fanout Configuration: Contains two independent buffers, each driving five loads from one input source.
• Low Input Capacitance: Optimized for high-speed clock distribution with reduced loading effects.
• Diagnostics Support: Includes a 'heartbeat' monitor output identical to standard outputs for system diagnostics.
• Wide Supply Range: Operates reliably within a 3V to 3.6V voltage window.

Applications

• High-speed clock distribution networks requiring low skew.
• Address bus distribution where signals must reach multiple receivers simultaneously.
• Single point-to-point transmission line driving scenarios.
• System diagnostic monitoring via heartbeat signal generation.

Procurement Notes

Verify the specific suffix 'SOGI' against manufacturer documentation to confirm package dimensions and tape/reel specifications. Check current lifecycle status as FCT series components may have discontinuation notices. Ensure compatibility with existing PCB footprints for the 20-SOIC form factor before procurement.

Selection Notes

Select this component when dual independent clock paths are required within a single package. Compare input capacitance values against other FCT drivers if signal integrity is critical. Verify that the 3.3V logic levels match the system's I/O standards. Consider the SOIC package size constraints relative to available board space.

Part Context

This part belongs to the 49FCT family of fast CMOS clock drivers. It shares functional similarities with variants like the 49FCT3805ASOGI and IDT49FCT3805BSO, differing primarily in manufacturing lot or minor packaging details. The device is engineered for performance-critical digital systems requiring precise timing alignment.

Replacement Considerations

Direct substitutes include the IDT49FCT3805ASOGI and PI49FCT32805QE. Verify pinout compatibility and electrical parameters such as propagation delay and drive strength before swapping. Confirm that alternative packages match the physical footprint requirements.