PCI Express (PCIe) Zero-Delay Buffers

Silicon Labs PCIe Zero-Delay Buffers provide up to 19-output PCIe Gen3 fanout/zero-delay buffers compliant and qualified to the Intel DB1900Z specification for server, storage, and networking applications. The devices feature constant-current mode HCSL outputs, meeting PCIe Gen1/2/3 specifications. Silicon Labs also offers lower output count PCIe Gen3 fanout/zero-delay buffers qualified to the Intel DB800ZL and DB1200ZL specifications. All devices feature low-power, push-pull output buffer technology, providing benefits of low-power consumption, reduced external terminating resistors, and small packaging. Devices in this family are ideal for consumer, industrial, server, storage, and data center applications requiring a high number of PCI Express clocks.

Features

  • Up to 19 PCI Express Gen 1/2/3 buffers/zero-delay buffers
  • I2C/SMBus programmable
  • Complete portfolio of PCI Express buffers/zero-delay buffers
  • Push-pull HCSL output buffer technology
  • Integrated termination resistors
  • Low-power consumption
  • All devices PCIe Gen 1/2/3 compliant with margin
  • Supports optional LVPECL, LVDS, or CML levels
  • -40 to 85 °C operation
  • Excellent PSRR
  • 100/133 MHz PLL operation, supports PCIe and QPI
  • Individual output enable control
  • Small form factor QFN packaging
  • Excellent PSRR
  • Intel Qualified (Si53108, Si53112)
  • Intel Qualified to DB1900Z specification

Product Matrix

Status
Devices
Part Number Data Sheet Dev KIt Clock Inputs Clock Outputs Frequency Min (MHz) Frequency Max (MHz) Output Format(s) Additive Jitter (RMS) (ps) VDD (V) VDDO (V) Package Type Package Size (mm) Universal Buffers Differential Buffers LVCMOS Buffers PCI Express Buffers Zero Delay Buffers Feedback Path
1 19 100 133 HCSL 0.08 QFN72 10x10 No Yes No Yes Yes Yes
1 19 100 133 HCSL 0.08 QFN72 10x10 No Yes No Yes Yes No
Si53108-EK 1 6 100 133 HCSL 0.08 3.3 3.3 QFN40 5x5 No No No Yes Yes No
Si53108-EK 1 8 100 133 HCSL 0.08 3.3 3.3 QFN48 6x6 No No No Yes Yes No
Si53112-EK 1 12 100 133 HCSL 0.08 3.3 3.3 QFN64 9x9 No No No Yes Yes No
Si53119-EK 1 15 100 133 HCSL 0.08 3.3 3.3 QFN64 9x9 No No No Yes Yes No
Si53119-EK 1 19 100 133 HCSL 0.08 3.3 3.3 QFN72 10x10 No No No Yes Yes No

Evaluate PCI Express (PCIe) Buffers

The easiest way to begin development with the Si531xx family is with one of the available Si5311x-EVB development kits. The EVB allows you to measure the jitter performance, power consumption, and signal integrity. The boards feature SMA connectors for robust low jitter signal integrity measurements.

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