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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 SalesClocks@sitime.com. Full transition to SiTime is expected by late 2026.

Features

  • Low additive phase jitter RMS: 50fs
  • Extremely low skew outputs (50ps)
  • Low-cost clock buffer
  • Packaged in an 8-pin SOIC and 8-pin DFN, Pb-free
  • Input/Output clock frequency up to 200MHz
  • Non-inverting output clock
  • Ideal for networking clocks
  • Operating voltages: 1.8V to 3.3V
  • Output Enable mode tri-state outputs
  • Advanced, low-power CMOS process
  • Extended temperature range: -40 °C to +105 °C

Description

The 651S is a low cost, high-speed single input to four output LVCMOS clock buffer that offers a best-in-class additive phase jitter of sub 50fs.

Parameters

AttributesValue
Temp. Range (°C)-40 to 85°C
Product CategoryClock Buffers & Drivers

Package Options

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
COL2.0 x 2.0 x 0.580.5
SOIC4.9 x 3.9 x 1.581.27
Part NumberStatusSamplesStockPackageBudgetary Price (USD)Lead Count (#)Carrier TypeMoisture Sensitivity Level (MSL)Qty. per Reel (#)Package Area (mm²)Pitch (mm)Pkg. Dimensions (mm)Reel Size (in)Qty. per Carrier (#)Pb (Lead) FreePb Free CategoryTemp. Range (°C)Country of AssemblyCountry of Wafer Fabrication
651SCMGIActiveAvailableIn StockCOL1ku | $1.28#Cut Tape14000#4mm²0.5mm2.0 x 2.0 x 0.57in0Yese4 NiPdAu-40 to 85°CMALAYSIA, THAILANDCHINA, TAIWAN
651SCMGI8ActiveN/AIn StockCOL1ku | $1.28#Reel14000#4mm²0.5mm2.0 x 2.0 x 0.57in0Yese4 NiPdAu-40 to 85°CMALAYSIA, THAILANDCHINA, TAIWAN
651SDCGIActiveAvailableIn StockSOIC1ku | $1.28#Tube1019.1mm²1.27mm4.9 x 3.9 x 1.597#Yese3 Sn-40 to 85°CTAIWAN, THAILANDCHINA, TAIWAN
651SDCGI8ActiveN/AIn StockSOIC1ku | $1.28#Reel13000#19.1mm²1.27mm4.9 x 3.9 x 1.513in0Yese3 Sn-40 to 85°CTAIWAN, THAILANDCHINA, TAIWAN