SY75603BTWL-TR

Clock Buffers, Drivers Overview

The SY75603BTWL-TR is a PCIe clock buffer featuring two LP-HCSL outputs with embedded 100Ω termination resistors. It supports frequencies up to 250 MHz and operates on 1.8V, 2.5V, or 3.3V supplies (±10% tolerance). The device provides ultra-low additive jitter of 10 fs for PCIe Gen5 and 20 fs for Gen3/Gen4. It includes individual glitch-free output enable pins and accepts DC-coupled HCSL or AC-coupled PECL/LVDS/CML inputs. Packaged in a 16-lead 3 mm x 3 mm VQFN, it functions within an extended temperature range of –40°C to +105°C.

Clock Buffers, Drivers Feature Summary

• Two LP-HCSL outputs with integrated 100Ω differential series termination resistors
• Ultra-low additive jitter: 10 fs RMS (PCIe Gen5) and 20 fs RMS (PCIe Gen3/Gen4)
• Glitch-free per-output enable control via active-low OExb pins
• Supports 1.8V, 2.5V, and 3.3V power supplies with ±10% tolerance

Clock Buffers, Drivers Applications

• PCIe Graphics Cards
• PCIe Based SSD drives
• Servers

Clock Buffers, Drivers Procurement Notes

Verify the 'B' suffix indicates 100Ω embedded termination resistors and the '-TR' suffix denotes tape-and-reel packaging. Confirm the package type is 16-lead VQFN (3 mm x 3 mm). Ensure the input signal matches the supported formats, such as DC-coupled HCSL or AC-coupled LVDS/PECL/CML.

Clock Buffers, Drivers Selection Notes

Select this model over the 'A' variant when 100Ω embedded termination is required instead of 85Ω. The 'B' suffix specifically designates the 100Ω termination resistor configuration. Verify that the application requires exactly two outputs and individual glitch-free enable control for each channel.

Clock Buffers, Drivers Part Context

This component belongs to the SY75602A/02B/603A/03B/604A/04B family of PCIe clock buffers. The SY75603 variants are distinguished by having two outputs with dedicated hardware enable pins, whereas the SY75602 lacks these controls. The SY75604 offers four outputs. All share the same low-jitter performance and package options.

Clock Buffers, Drivers Replacement Considerations

SY75603BTWL is the tube version of this part. SY75603ATWL-TR is a compatible alternative if 85Ω termination is acceptable.