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RC19108AGND: 1.8V, 8-Output PCIe Gen7 Clock Buffer Providing Loss of Signal (LOS) Outputs

The RC19108AGND ultra-high-performance fanout buffer supports PCIe Gen 7 and provides loss-of-signal (LOS) outputs for system monitoring and redundancy. The devices also integrate dropout capacitance limit (PDT) and flexible startup sequencing (FSS) features to simplify system design. They can drive source-determined and double-ended loads and operate up to 400MHz.

Model No.: RC19108AGND

Package: VFQFPN-40

Type: PCIe Gen7 Clock Buffer

Applications: Cloud and high performance computing, nVME storage, networking, accelerators.

The RC19108AGND provides a higher output count in a smaller package than earlier buffer families. These buffers support both Common Clock (CC) and Independent Reference (IR) PCIe clock architectures.

RC19108AGND - Product Features:

PCIe Gen7 additional phase jitter: 2.6fs RMS

12kHz to 20MHz additional phase jitter: 33fs RMS at 156.25MHz

Power-down tolerance (PDT) inputs

Flexible Startup Sequencing (FSS)

Automatic clock parking (ACP) on loss of CLKIN

Spread Spectrum Tolerance

CLKIN compatible HCSL or LVDS signal levels

-40 °C to +105 °C, 1.8V ± 5% Operating temperature and voltage

Selectable by pin or SMBus:

33Ω, 85Ω, or 100Ω Differential Output Impedance

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