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Renesas Electronics 9DB102BGLF — Analog & Data Acquisition
Renesas Electronics

Renesas 9DB102BGLF PCIe Clock Buffer, 101MHz, 1:2, 20-TSSOP

MPN9DB102BGLF
End of Life

Renesas 9DB102BGLF PCI Express (PCIe) clock buffer, PLL Yes, 1:2 differential HCSL fanout, 101 MHz max frequency, 3.135V–3.465V supply, 20-TSSOP package, 0°C to 70°C operating temperature.

$4.01Ref. price · indicative, final on quote
9DB102BGLF datasheet
Packaging20-TSSOP (0.173", 4.40mm Width)
StockContact for availability
MOQ1 pcs
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Specifications

9DB102BGLF Technical Specifications
ParameterValue
Mounting typeSurface Mount
Voltage3.135V ~ 3.465V
Frequency101MHz
Operating temperature0°C ~ 70°C
PLLYes
InputClock
OutputHCSL
PackageTube
Main purposePCI Express (PCIe)
Case20-TSSOP (0.173\", 4.40mm Width)
Number of circuits1
Ratio - Input:Output1:2
Differential - Input:OutputYes/Yes

Product details

PCIe Gen1/Gen2 reference-clock fanout in 20-TSSOP

The Renesas 9DB102BGLF is a 1:2 PLL fanout buffer designed to generate and distribute differential HCSL reference clocks for PCI Express (PCIe) applications. It accepts a single differential clock input and delivers two clean, low-jitter HCSL outputs with a maximum output frequency of 101 MHz, covering PCIe Gen1 and Gen2 base clock rates. The device operates from a 3.135 V to 3.465 V supply and is specified over the commercial temperature range of 0°C to 70°C, making it a fit for desktop, server, and workstation motherboards where the PCIe clock tree needs a deterministic, low-skew fanout from one reference source.

Lifecycle and compliance

ROHS3 compliant per, so it meets the current EU and China RoHS exemption limits without restriction. No known PCN or obsolescence risk at this time — the part remains a standard catalog item for new designs.

Frequently asked questions

Is 9DB102BGLF RoHS compliant and lead-free?

Yes, the 9DB102BGLF is ROHS3 compliant, meeting the current RoHS exemption limits without restriction.

Can 9DB102BGLF be used in PCIe Gen3 applications?

The maximum output frequency is 101 MHz, which covers PCIe Gen1 (100 MHz) and Gen2 (100 MHz) reference clocks. PCIe Gen3 also uses a 100 MHz reference, so the frequency is adequate, but the jitter and phase-noise requirements for Gen3 are tighter. Verify the jitter budget against the Gen3 spec — the 9DB102BGLF is characterized for Gen1/Gen2 applications per its main purpose listing.

What is the recommended replacement or alternative for 9DB102BGLF?

No direct replacement is listed as an official successor. For a higher-fanout alternative, the 9DB803DFLFT offers a 1:8 ratio in the same 3.3 V supply and HCSL output family, but in a different package and tape format. The 9ZXL0851EKKLF adds extended temperature range (-40°C to 85°C) and 1:8 fanout, but targets Intel QPI applications alongside PCIe. Neither is a pin-compatible drop-in — evaluate the fanout and temperature requirements before substituting.