Skip to main content
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.

64-pin CK505 w/Fully Integrated Voltage Regulator + Integrated Series Resistor

Package Information

CAD Model:View CAD Model
Pkg. Type:VFQFPN
Pkg. Code:NLG64
Lead Count (#):64
Pkg. Dimensions (mm):9.0 x 9.0 x 0.9
Pitch (mm):0.5

Environmental & Export Classifications

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

Product Attributes

Pkg. TypeVFQFPN
Lead Count (#)64
Pb (Lead) FreeYes
Carrier TypeTray
App Jitter CompliancePCIe Gen1
C-C Jitter Max P-P (ps)85
Chipset ManufacturerIntel
Clock Spec.CK505 Derivative
Core Voltage (V)3.3
Die FormNo
Diff. Output SignalingHCSL
Freq. Accuracy Init. (± PPM)100
FunctionClock Generator
Input Freq (MHz)14.32 - 14.32
Length (mm)9
MOQ3105
Moisture Sensitivity Level (MSL)3
Output Freq Range (MHz)14.32 - 400
Output Skew (ps)100
Output Voltage (V)3.3V, 0.7V
Outputs (#)21
PCIe GenerationGen1
Package Area (mm²)81
Pb Free Categorye3 Sn
Pitch (mm)0.5
Pkg. Dimensions (mm)9.0 x 9.0 x 0.9
Qty. per Carrier (#)207
Qty. per Reel (#)0
Reference OutputYes
Requires Terms and ConditionsDoes not require acceptance of Terms and Conditions
Spread SpectrumYes
Supply Voltage (V)1.05 - 3.3
Tape & ReelNo
Temp. Range (°C)0 to 70°C
Thickness (mm)0.9
Width (mm)9
Xtal Freq (MHz)14.32 - 14.32
Xtal Inputs (#)1

Description

IDT9LPRS355 follows Intel CK505 Yellow Cover specification. This clock synthesizer provides a single chip solution for next generation P4 Intel processors and Intel chipsets. IDT9LPRS355 is driven with a 14.318MHz crystal. It also provides a tight ppm accuracy output for Serial ATA and PCI-Express support.