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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.

19-output DB1900Z Compliant Buffer

Package Information

CAD Model:View CAD Model
Pkg. Type:VFQFPN
Pkg. Code:NLG72
Lead Count (#):72
Pkg. Dimensions (mm):10.0 x 10.0 x 1.0
Pitch (mm):0.5

Environmental & Export Classifications

Moisture Sensitivity Level (MSL)3
Pb (Lead) FreeYes
ECCN (US)EAR99
HTS (US)8542.39.0090

Product Attributes

Lead Count (#)72
Carrier TypeTray
Moisture Sensitivity Level (MSL)3
Qty. per Reel (#)0
Qty. per Carrier (#)168
Pb (Lead) FreeYes
Pb Free Categorye3 Sn
Temp. Range (°C)0 to 70°C
Assembly LocationCHINA
Wafer Fab LocationTAIWAN, USA
Accepts Spread Spec InputYes
Advanced FeaturesMultiple SMBus addresses, HW PLL mode control
App Jitter CompliancePCIe Gen1, PCIe Gen2, PCIe Gen3, QPI
C-C Jitter Max P-P (ps)50
Chipset ManufacturerIntel
Chipset NameC600, Patsburg, Wellsburg, Lewisburg
Clock Spec.DB1900Z v1.6
Core Voltage (V)3.3
Diff. Input SignalingHCSL
Diff. Inputs1
Diff. Output SignalingHCSL
Diff. Outputs19
Diff. Termination Resistors80
Feedback InputNo
FunctionBuffer
Input Freq (MHz)33 - 150
Input TypeHCSL
Inputs (#)1
Length (mm)10
MOQ168
Output Banks (#)1
Output Enable (OE) Pins8
Output Freq Range (MHz)33 - 150
Output Skew (ps)50
Output TypeHCSL
Output Voltage (V)0.7
Outputs (#)19
Package Area (mm²)100
Pitch (mm)0.5
Pkg. Dimensions (mm)10.0 x 10.0 x 1.0
Pkg. TypeVFQFPN
Power Consumption Typ (mW)1350
Product CategoryProcessor Clock Buffers, Zero Delay Buffers
Prog. ClockYes
Prog. InterfaceSMBUS
Reference OutputNo
Requires Terms and ConditionsDoes not require acceptance of Terms and Conditions
Spread SpectrumYes
Supply Voltage (V)3.3 - 3.3
Tape & ReelNo
Thickness (mm)1
Width (mm)10

Description

The 9ZX21901C is an Intel DB1900Z differential buffer suitable for PCI Express Gen 1-2-3 or QPI applications. The 9ZX21901C has a fixed external feedback path. See the 9ZX21901B for an adjustable external feedback path.