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Features

  • Two differential LVPECL output pairs
  • Crystal oscillator interface designed for a 25MHz, 18pF parallel resonant crystal
  • A 25MHz crystal generates output frequencies of: 156.25MHz and 125MHz
  • VCO frequency: 625MHz
  • RMS Phase Jitter @ 156.25MHz, (1.875MHz – 20MHz) using a 25MHz crystal: 0.54ps (typical)
  • Full 3.3V supply mode
  • 0°C to 70°C ambient operating temperature
  • Available in lead-free (RoHS 6) package

Description

The 843252-45 is a 2 LVPECL output synthesizer optimized to generate Ethernet reference clock frequencies. Using a 25MHz, 18pF parallel resonant crystal, the following frequencies can be generated: 156.25MHz and 125MHz. The 843252-45 uses our 3rd generation low phase noise VCO technology and can achieve 1ps or lower typical rms phase jitter, easily meeting Ethernet jitter requirements. The 843252-45 is packaged in a small 16-pin TSSOP package.

Part NumberStatusSamplesStockPackageLead Count (#)Carrier TypeMoisture Sensitivity Level (MSL)Qty. per Reel (#)Qty. per Carrier (#)Pb (Lead) FreePb Free CategoryTemp. Range (°C)
843252AG-45LFObsoleteN/AOut of StockTSSOP16#Tube1096#Yese3 Sn0 to 70°C
843252AG-45LFTObsoleteN/AOut of StockTSSOP16#Reel12500#0Yese3 Sn0 to 70°C