NOTICE - The following device(s) are recommended alternatives:

The 84325 is a Crystal-to-3.3 VLVPECL Frequency Synthesizer with Fanout Buffer. The output frequency can be programmed using frequency select pins. The low phase noise characteristics of the 84325 make it an ideal clocksource for Fibre Channel 1, Fibre Channel 2, Infiniband and Gigabit Ethernet applications.

特性

  • 6 differential 3.3V LVPECL outputs
  • Crystal oscillator interface
  • Output frequency range: 106.25MHz to 250MHz
  • Crystal input frequency: 25MHz and 25.5MHz
  • Output skew: 60ps (maximum)
  • RMS phase jitter at 212.5MHz, using a 25.5MHz crystal (637KHz to 10MHz): 2.76ps
  • Phase noise: Typical at 212.5MHz
    Offset Noise Power
    100Hz ................. -92 dBc/Hz
    1KHz ................. -112 dBc/Hz
    10KHz ................. -120 dBc/Hz
    100KHz ................. -122 dBc/Hz
  • 3.3V supply voltage
  • 0°C to 70°C ambient operating temperature
  • Lead-Free package available.
  • Industrial temperature information available upon request
  • For replacement device use 8T49N006A-dddNLGI

产品选择

下单器件 ID Part Status Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
Obsolete SOIC 24 C 是的 Tube
Availability

文档和下载

文档标题 其他语言 类型 文档格式 文件大小 日期
应用指南 &白皮书
AN-828 Termination - LVPECL 应用文档 PDF 322 KB
AN-831 The Crystal Load curve 应用文档 PDF 395 KB
AN-842 Thermal Considerations in Package Design and Selection 应用文档 PDF 495 KB
AN-803 Crystal Timing Budget and Accuracy for IDT Timing Clock Products 应用文档 PDF 128 KB
AN-840 Jitter Specifications for Timing Signals 应用文档 PDF 442 KB
AN-838 Peak-to-Peak Jitter Calculations 应用文档 PDF 115 KB
AN-839 RMS Phase Jitter 应用文档 PDF 233 KB
AN-834 Hot-Swap Recommendations 应用文档 PDF 153 KB
AN-837 Overdriving the Crystal Interface 应用文档 PDF 133 KB
AN-832 Timing Budget and Accuracy 应用文档 PDF 131 KB
AN-830 Quartz Crystal Drive Level 应用文档 PDF 143 KB
AN-827 Application Relevance of Clock Jitter 应用文档 PDF 1.15 MB
AN-815 Understanding Jitter Units 应用文档 PDF 565 KB
AN-802 Crystal-Measuring Oscillator Negative Resistance 应用文档 PDF 136 KB
AN-801 Crystal-High Drive Level 应用文档 PDF 202 KB
AN-806 Power Supply Noise Rejection 应用文档 PDF 438 KB
AN-805 Recommended Ferrite Beads 应用文档 PDF 121 KB
PCN / PDN
PDN# : CQ-14-07 Quarter PDN for Market Declined 产品停产通告 PDF 541 KB
PCN# : A1309-01 Changed of Traceability Mark Format 产品变更通告 PDF 439 KB
PCN# : TB1303-02 Change of Tape & Reel Packing Method for Selective Products 产品变更通告 PDF 361 KB