PI49FCT3805DQEX

Clock Buffers, Drivers Overview

The PI49FCT3805DQEX is a 3.3V CMOS clock driver manufactured by Diodes Incorporated, housed in a 20-pin QSOP package. It contains two independent non-inverting drivers configured as one-to-five fan-out buffers. The device supports switching frequencies up to 166 MHz with low output skew of less than 200 ps and propagation delay under 2.5 ns. Group B includes an additional monitor output. It operates within a supply voltage range of 3.0 V to 3.6 V and is rated for industrial temperatures from -40°C to +85°C.

Clock Buffers, Drivers Feature Summary

• Dual 1:5 non-inverting clock buffer configuration with independent output enables
• Low output skew (<200ps) and fast rise/fall times (<1.0ns)
• Supports input frequencies up to 166 MHz
• Group B features an extra MON (monitor) output pin

Clock Buffers, Drivers Applications

• High-speed clock distribution networks
• Data communication equipment requiring low jitter
• Industrial control systems operating at 3.3V

Clock Buffers, Drivers Procurement Notes

Verify the 'E' suffix indicates lead-free and green status, and the 'X' suffix confirms tape-and-reel packaging. Confirm RoHS 3 compliance and halogen-free specifications against current regulatory requirements before procurement.

Clock Buffers, Drivers Selection Notes

Select this component when a dual 1:5 fan-out buffer is required with specific monitoring capabilities on Group B. Ensure the design accommodates the 166 MHz maximum frequency and 3.3V ±10% power supply constraints.

Clock Buffers, Drivers Part Context

This part belongs to the PI49FCT series of 3.3V CMOS clock drivers. The 'Q' suffix specifically denotes the 20-pin, 150-mil wide QSOP package variant, distinguishing it from the SSOP (H) package version.

Clock Buffers, Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical characteristics if considering alternative manufacturers.

Clock Buffers, Drivers FAQ

What is the function of the MON pin?

The MON pin is an additional output available exclusively on Group B of the PI49FCT3805DQEX.

Is the PI49FCT3805DQEX 5V tolerant?

Yes, the datasheet specifies that the inputs are 5V Input Tolerant while the device operates at 3.3V.

What is the maximum propagation delay?

The maximum propagation delay is specified as 3.0 ns at 133 MHz with a 15pF load.