49FCT806ASOG8

Overview

The Renesas 49FCT806ASOG8 is a Fast CMOS buffer and clock driver designed for commercial temperature ranges. It features two independent output banks, each providing a 1:5 fanout from a TTL-compatible input. The device includes active-low 3-state control inputs (OEA, OEB) and a dedicated monitor output pin that replicates the clock signal for diagnostics or PLL driving. Built on 0.5-micron CMOS technology, it guarantees low skew of less than 700ps and low duty cycle distortion under 1ns. The component operates at 5V with high drive capabilities, delivering -24mA in high state and +64mA in low state.

Feature Summary

• Dual independent 1:5 clock driver banks with 3-state control
• Guaranteed low skew < 700ps and duty cycle distortion < 1ns
• TTL compatible inputs and outputs with rail-to-rail swing
• Dedicated MON output for heartbeat monitoring and diagnostics

Applications

• Clock distribution systems requiring guaranteed low skew
• PLL driving applications utilizing the monitor output
• High-speed digital logic buffering
• System synchronization circuits

Procurement Notes

Verify component status as this part number may be subject to end-of-life notices. Confirm package type availability, specifically SOIC-20, as manufacturing processes change. Check for RoHS compliance status regarding green vs. non-green parts per product discontinuance notifications. Ensure sourcing channels provide valid traceability for legacy components.

Selection Notes

Select this component when dual independent clock buffers are required with strict skew specifications. The 49FCT806A variant offers slightly improved propagation delay compared to the standard 49FCT806. Ensure the design accommodates the 5V supply voltage and utilizes the MON pin if diagnostic feedback is necessary. Verify board-level connection of Pin 8 to GND for compatibility across all production date codes.

Part Context

This device belongs to the IDT 49FCT series of fast CMOS logic products. It is functionally similar to the non-inverting 49FCT805 but provides inverting outputs. The 'A' suffix typically denotes an enhanced speed grade within the family. The 'SO' indicates a Small Outline IC package, while 'G8' specifies the specific tape and reel packaging configuration.

Replacement Considerations

For direct functional replacements, consider the PI49FCT3806CS which offers similar 3.3V/5V operation and 1:5 fanout. For modern equivalents, verify current Renesas or Diodes Incorporated portfolios for updated low-skew clock drivers. Always validate electrical parameters and pinouts against the original datasheet before substitution.