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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 621S 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
621SCMGIActiveAvailableIn StockCOL1ku | $1.28#Cut Tape14000#4mm²0.5mm2.0 x 2.0 x 0.57in0Yese4 NiPdAu-40 to 85°CMALAYSIA, THAILANDCHINA, TAIWAN
621SCMGI8ActiveN/AIn StockCOL1ku | $1.28#Reel14000#4mm²0.5mm2.0 x 2.0 x 0.57in0Yese4 NiPdAu-40 to 85°CMALAYSIA, THAILANDCHINA, TAIWAN
621SDCGIActiveAvailableIn StockSOIC1ku | $1.28#Tube1019.1mm²1.27mm4.9 x 3.9 x 1.597#Yese3 Sn-40 to 85°CTAIWAN, THAILANDCHINA, TAIWAN
621SDCGI8ActiveN/AIn StockSOIC1ku | $1.28#Reel13000#19.1mm²1.27mm4.9 x 3.9 x 1.513in0Yese3 Sn-40 to 85°CTAIWAN, THAILANDCHINA, TAIWAN

Support Communities

  1. alternate of Infineon part CY7B9910-5SXI

    Currently, we are looking for an alternate of discontinued Infineon part CY7B9910-5SXI.This is Low Skew Clock Buffer 80MHz-OUT 24-Pin SOIC. Kindly let me know the nearest alternate.

    Mar 3, 2026
  2. What is the difference between theses 1 to 4 LVCMOS buffers?

    What is the difference between the following 1 to 4 LVCMOS buffers: 553S, 551S, 651S, 621S & 524S, 74FCT38074S and 5PB1104?

    Apr 23, 2024
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