49FCT3805BPYGI

Overview

The Renesas 49FCT3805BPYGI is a dual 1-to-5 clock driver and fanout buffer built using advanced CMOS technology. It operates within a supply voltage range of 3V to 3.6V and supports LVCMOS/LVTTL input and output logic levels. The device features two independent driver banks, each providing a 1:5 fanout with individual output enable controls. Designed for high-speed clock distribution, it ensures low skew and high signal quality. Key specifications include a maximum operating frequency of 166 MHz and an operating temperature range from -40°C to +85°C. It is housed in a 20-pin SSOP package.

Feature Summary

• Dual 1:5 fanout architecture with independent output enable control per bank
• Low capacitance inputs with hysteresis for improved signal integrity
• Integrated 'heartbeat' monitor output (MON) for diagnostics and PLL driving
• LVCMOS/LVTTL compatible I/O levels supporting 3V to 3.6V operation

Applications

• High-speed clock distribution networks requiring low skew
• Address distribution systems with single point-to-point transmission line driving
• Diagnostics and monitoring circuits utilizing the heartbeat monitor feature
• PLL driving applications requiring stable clock signals

Procurement Notes

Verify the specific suffix 'PYGI' against the manufacturer's current datasheet to confirm pinout compatibility and RoHS status. Check for any Product Change Notifications (PCNs) or End-of-Life (EOL) announcements associated with this part number before procurement. Ensure the supplier provides valid traceability documentation for the 20-SSOP package.

Selection Notes

Select this component when a dual-bank clock distribution solution with independent enable controls is required. It is suitable for designs needing 1:5 fanout with LVCMOS/LVTTL interfaces. Consider the integrated MON output if system diagnostics are necessary. Verify that the 166 MHz maximum frequency meets the system timing requirements and that the SSOP package fits the PCB layout constraints.

Part Context

This part belongs to the 49FCT series of high-performance clock drivers. It shares functional similarities with other variants like the 49FCT3805A and 49FCT3805B, differing primarily in packaging and specific manufacturing revisions. The 'P' typically denotes the SSOP package, while 'YGI' indicates tape-and-reel packaging and environmental compliance.

Replacement Considerations

The 49FCT3805EPYGI is a documented alternative offering identical 1:5 fanout and 166 MHz performance in the same 20-SSOP package. Verify pin-to-pin compatibility and electrical parameter alignment before substitution.