49FCT3805SOG

Overview

The 49FCT3805SOG is a dual 1-to-5 clock driver manufactured by Renesas Electronics. It operates on a single 3V to 3.6V supply and features two independent banks of drivers, each providing a 1:5 fanout ratio with individual output enable controls. The device utilizes advanced CMOS technology to support high-speed clock distribution with low input capacitance. It is housed in a 20-SOIC package (0.295 inch width) and is designed for applications requiring precise signal quality and low skew.

Feature Summary

• Dual 1-to-5 fanout clock buffer configuration
• Operates within a 3V to 3.6V voltage range
• CMOS/LVTTL compatible inputs and outputs
• Includes heartbeat monitor for diagnostics

Applications

• High-speed clock distribution systems
• Address distribution networks
• Single point-to-point transmission line driving

Procurement Notes

This component is classified as obsolete and has been discontinued by the manufacturer. Verification of availability is restricted to existing stock or surplus channels. Designers should consult official discontinuation notifications and consider replacement parts immediately.

Selection Notes

Select this part only if legacy compatibility is required. Verify that the 20-SOIC footprint matches the PCB design. Ensure the system operates within the specified -40°C to 70°C temperature range and 3V to 3.6V power supply constraints.

Part Context

The 49FCT3805SOG belongs to the 49FCT series of clock drivers. It serves as a successor to earlier IDT designs under the same functional specification. The 'SOG' suffix denotes the specific SOIC-20 package variant.

Replacement Considerations

Renesas recommends the 5PB1110PGGI8 as a direct replacement. This alternative offers similar clock buffering capabilities with updated manufacturing support.