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Renesas Electronics Corporation

Renesas’ Timing product portfolio has been acquired by SiTime.

Datasheets, documentation, and sample orders remain available on Renesas.com through late 2026. For new designs, purchasing, support, and product inquiries, visit SiTime.com or send an email to [email protected]. Full transition to SiTime is expected by late 2026.

4-output Differential Buffer for PCIe Gen2

Package Information

CAD Model:View CAD Model
Pkg. Type:TSSOP
Pkg. Code:PGG28
Lead Count (#):28
Pkg. Dimensions (mm):9.7 x 4.4 x 1.0
Pitch (mm):0.65

Environmental & Export Classifications

Moisture Sensitivity Level (MSL)1
Pb (Lead) FreeYes
ECCN (US)EAR99
HTS (US)8542.39.0090

Product Attributes

Lead Count (#)28
Carrier TypeTube
Moisture Sensitivity Level (MSL)1
Qty. per Reel (#)0
Qty. per Carrier (#)50
Package Area (mm²)42.7
Pkg. Dimensions (mm)9.7 x 4.4 x 1.0
Power Consumption Typ (mW)380
Pb (Lead) FreeYes
Pb Free Categorye3 Sn
Temp. Range (°C)-40 to 85°C
Accepts Spread Spec InputYes
Advanced FeaturesHW PLL mode control
App Jitter CompliancePCIe Gen1, PCIe Gen2
ArchitectureCommon
C-C Jitter Max P-P (ps)50
Chipset ManufacturerIntel
Chipset NameDB400v2
Core Voltage (V)3.3
Country of AssemblyTAIWAN
Country of Wafer FabricationSINGAPORE
Diff. Input SignalingHCSL
Diff. Inputs1
Diff. Output SignalingHCSL
Diff. Outputs4
Diff. Termination Resistors16
Feedback InputNo
FunctionZero Delay Buffer
Input Freq (MHz)33 - 400
Input TypeHCSL
Inputs (#)1
Length (mm)9.7
MOQ200
Output Banks (#)1
Output Freq Range (MHz)33 - 400
Output Skew (ps)50
Output TypeHCSL
Output Voltage (V)3.3
Outputs (#)4
PLLYes
Phase Jitter Max RMS (ps)0.1
Pitch (mm)0.65
Pkg. TypeTSSOP
Product CategoryPCI Express Clocks
Prog. ClockNo
Prog. InterfaceSMBUS
Requires Terms and ConditionsDoes not require acceptance of Terms and Conditions
Supply Voltage (V)3.3 - 3.3
Tape & ReelNo
Thickness (mm)1
Width (mm)4.4

Description

The 9DB403 is compatible the Intel DB400 Differential Buffer Specification v2.0. This buffer provides four PCI-Express SRC clocks. The 9DB403 is driven by a differential input pair from a CK409/CK410/CK505 main clock generator.