844002AGI-01LFT

844002AGI-01LFT

  • 厂商:

    IDT

  • 封装:

  • 描述:

    844002AGI-01LFT - FEMTOCLOCKS CRYSTAL-TOLVDS FREQUENCY SYNTHESIZER - Integrated Device Technology

  • 详情介绍
  • 数据手册
  • 价格&库存
844002AGI-01LFT 数据手册
FEMTOCLOCKS– CRYSTAL-TOLVDS FREQUENCY SYNTHESIZER ICS844002I-01 Features • • • • • • • • Two differential LVDS outputs Selectable crystal oscillator interface or single-ended LVCMOS/LVTTL input Supports the following output frequencies: 156.25MHz, 125MHz, 62.5MHz VCO range: 560MHz – 680MHz RMS phase jitter @ 156.25MHz, using a 25MHz crystal (1.875MHz – 20MHz): 0.41ps (typical) Full 2.5V supply mode -40°C to 85°C ambient operating temperature Available in both standard (RoHS 5) and lead-free (RoHS 6) packages General Description The ICS844002I-01 is a 2 output LVDS Synthesizer optimized to generate Ethernet reference clock HiPerClockS™ frequencies and is a member of the HiPerClocksTM family of high performance clock solutions from IDT. Using a 25MHz, 18pF parallel resonant crystal, the following frequencies can be generated based on the 2 frequency select pins (F_SEL[1:0]): 156.25MHz, 125MHz and 62.5MHz. The ICS844002I-01 uses IDT’s 3rd generation low phase noise VCO technology and can achieve
844002AGI-01LFT
物料型号: - 型号:ICS844002I-01

器件简介: - ICS844002I-01是一款2输出LVDS频率合成器,属于HiPerClockS™家族,专为生成以太网参考时钟而优化。支持156.25MHz、125MHz和62.5MHz的输出频率,使用25MHz、18pF的并联谐振晶体。

引脚分配: - 1,7:nc(未连接) - 2,20:VDDO(输出供电引脚) - 3,4:Q0,Q0(差分输出对,LVDS接口电平) - 5:MR(输入,上拉,活动高主复位) - 6:PLL_SEL(输入,上拉,选择PLL和REF_CLK作为分频器输入) - 8:VDDA(模拟供电引脚) - 9,11:FSEL0, F_SEL1(输入,上拉,频率选择引脚) - 10:VDD(核心供电引脚) - 12,13:XTAL_OUT XTAL_IN(并联谐振晶体接口) - 14:REF_CLK(非反相差分时钟输入) - 15:XTAL_SEL(输入,上拉,选择晶体或REF_CLK作为PLL参考源) - 16:nc(未连接) - 17:GND(地)

参数特性: - VCO范围:560MHz – 680MHz - 156.25MHz时的RMS相位抖动(使用25MHz晶体):0.41ps(典型值) - 全2.5V供电模式 - 工作温度范围:-40°C至85°C - 封装:20引脚TSSOP

功能详解: - ICS844002I-01使用IDT第三代低相位噪声VCO技术,可实现小于1ps的典型RMS相位抖动,满足以太网抖动要求。

应用信息: - 主要应用于需要高性能时钟解决方案的场合,特别是以太网参考时钟的生成。

封装信息: - 标准(RoHS 5)和无铅(RoHS 6)两种版本,均采用20引脚TSSOP封装。
844002AGI-01LFT 价格&库存

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