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

The 840051 is a Gigabit Ethernet Clock Generator and a member of the family of high performance devices from IDT. The 840051 can synthesize 10 Gigabit Ethernet, SONET, or Serial ATA reference clock frequencies with the appropriate choice of crystal and output divider. The 840051 has excellent phase jitter performance and is packaged in a small 8-pin TSSOP, making it ideal for use in systems with limited board space.

特性

  • 1 LVCMOS/LVTTL output, 15? output impedance
  • Crystal oscillator interface designed for 18pF parallel resonant crystals
  • Output frequency range: 70MHz - 170MHz
  • VCO range: 560MHz - 680MHz
  • RMS phase jitter at 155.52MHz (1.875MHz - 20MHz): 0.48ps (typical)
  • RMS phase noise at 155.52MHz
    Offset Noise Power
       100Hz ............... -99.7 dBc/Hz
        1KHz ................ -120 dBc/Hz
      10KHz ................ -128 dBc/Hz
    100KHz ................ -127 dBc/Hz
  • 3.3V operating supply
  • 0°C to 70°C ambient operating temperature
  • Lead-Free fully RoHS compliant
  • Industrial temperature information available upon request

产品选择

器件号 Part Status Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
Obsolete TSSOP 8 C 是的 Tube
Availability
Obsolete TSSOP 8 C 是的 Reel
Availability

文档和下载

文档标题 language 类型 文档格式 文件大小 日期
数据手册与勘误表
840051 Datasheet 数据手册 PDF 231 KB
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-845 Termination - LVCMOS 应用文档 PDF 146 KB
AN-844 Termination - AC Coupling Clock Receivers 应用文档 PDF 170 KB
AN-842 Thermal Considerations in Package Design and Selection 应用文档 PDF 495 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
AN-803 Crystal Timing Budget and Accuracy for Renesas Timing Clock Products 应用文档 PDF 108 KB
PCN / PDN
PDN# : CQ-19-01(R1) Quarterly Market Declined PDN 产品停产通告 PDF 1014 KB
PDN# : CQ-19-01 Quarterly Market Declined PDN 产品停产通告 PDF 537 KB
PCN# : A1602-01(R1) Add Greatek Taiwan as Alternate Assembly 产品变更通告 PDF 611 KB
PCN# : A1602-01 Add Greatek Taiwan as Alternate Assembly 产品变更通告 PDF 611 KB
PCN# : A1511-01(R1) Add SPEL India as Alternate Assembly Location 产品变更通告 PDF 596 KB
PCN# : A1511-01 Add SPEL India as Alternate Assembly Location 产品变更通告 PDF 544 KB
PCN# : TB1303-02 Change of Tape & Reel Packing Method for Selective Products 产品变更通告 PDF 361 KB
下载
840051 IBIS Model 模型 - IBIS ZIP 6 KB