PI6C18551WEX

Clock Buffers, Drivers Overview

The PI6C18551WEX is a low skew, low noise, high-speed CMOS clock buffer manufactured by Diodes Incorporated. It features one input and four non-inverting outputs, supporting maximum frequencies of 160 MHz at 3.3V and 135 MHz at 5V. The device operates within an industrial temperature range of -40°C to +85°C and utilizes an 8-pin SOIC (W) package. Key electrical parameters include a typical output skew of 250 ps, propagation delay ranging from 2 ns to 8 ns depending on voltage, and additive jitter of 45.6 fs RMS.

Clock Buffers, Drivers Feature Summary

• Supports 160 MHz operation at 3.3V and 135 MHz at 5V
• Low output skew of 250 ps typical
• Fast rise/fall times of 1.5 ns
• Output Enable (OE) pin controls tri-state functionality

Clock Buffers, Drivers Applications

• PCI bus clocking (33 MHz)
• Fibre Channel applications (106.25 MHz)
• Ethernet networking (125 MHz)
• PCIX systems (133 MHz)
• OC3/SONET networks (155.52 MHz)

Clock Buffers, Drivers Procurement Notes

Verify the ordering suffix 'WE' indicates Pb-free and Green packaging in the 8-pin SOIC format. Confirm that the 'X' suffix denotes Tape/Reel packaging for the specific PI6C18551WEX variant. Ensure compatibility with 3.3V or 5V supply rails as specified in the datasheet before procurement.

Clock Buffers, Drivers Selection Notes

Select this component for computing, networking, and communication applications requiring low skew distribution. Ensure the design accommodates the recommended external 100k-Ohm pull-up resistor on the OE pin and a 0.01μF decoupling capacitor near VDD. Consider the 33-Ohm series terminating resistors if trace lengths exceed one inch.

Clock Buffers, Drivers Part Context

This part belongs to the PI6C18551 family of clock buffers. It is distributed by Diodes Incorporated, which acquired Pericom Semiconductor Corporation. The device serves as a non-inverting buffer designed to drive multiple loads with minimal timing distortion in high-speed digital environments.

Clock Buffers, Drivers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.