• RE: LMK1D1204: Support on rise/fall time, Jitter, Freq tolerance

  

  Michael Srinivasan

  Hi Narender, This calculation is specific to the LMK1D1204, but you can make it applicable to other devices by looking up and substituting the minimum acceptable differential input voltage. Thanks, Michael

  • 1 month ago
  • Clock & timing
  • Clock & timing forum

• LMK1D1204: Input clock

  

  Nandini Muralidharan

  TI Thinks Resolved

  Part Number: LMK1D1204 Tool/software: Hi, I find the differential inputs are crisscrossing the LMK buffer's input side (All the LVDS crystals seem to have "N" at pin5 & "P" at Pin4 causing the crisscross) Is there any EVM…

  • 2 months ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK1D1204: thermal numbers

  

  Nandini Muralidharan

  Resolved

  Part Number: LMK1D1204 Tool/software: Hi, Can you please share RthjA and RthjC of LMK1D1204? Thanks

  • Resolved

  • 3 months ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK1D1204: What happens if input is floating?

  

  Kei Kuwahara

  Resolved

  Part Number: LMK1D1204 Tool/software: Hello team, What would be the output, if I left the input pins (INxP, INxN) floating? Would it output HIGH, LOW or indeterminate? Best Regards, Kei Kuwahara

  • Resolved

  • 3 months ago
  • Clock & timing
  • Clock & timing forum

• LMK1D1204: Unused IN_P/N pins

  

  Nandini Muralidharan

  TI Thinks Resolved

  Part Number: LMK1D1204 Tool/software: Hi, For unused inputs which is preferred? Grounding with 1K or floating? Both options are given in datasheet. Thanks

  • 3 months ago
  • Clock & timing
  • Clock & timing forum

• LMK1D1204: Pull down on IN_SEL

  

  Nandini Muralidharan

  TI Thinks Resolved

  Part Number: LMK1D1204 Tool/software: Hi, For default enable of the device, can IN_SEL pin be pulled down to Ground with a 0-ohm? Thanks

  • 3 months ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK1D1204: design review

  

  Nandini Muralidharan

  Resolved

  Part Number: LMK1D1204 Tool/software: Hi, Can you please review the attached schematics and provide feedback? LVDS Output of the clock buffer feeds to a FPGA with below LVDS characteristics. Are the termination resistors given able to support the input…

  • Resolved

  • 4 months ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK1D1204: Unused output pins

  

  Yuji Matsumoto

  Resolved

  Part Number: LMK1D1204 Tool/software: Hi TI team. Is it okay to handle unused clock output pins of LMK1D1204 with N.C? Regards, Matsumoto

  • Resolved

  • 4 months ago
  • Clock & timing
  • Clock & timing forum

• LMK1D1204: input and output standards

  

  Nandini Muralidharan

  Part Number: LMK1D1204 Tool/software: Hi, I want to replace an existing clockbuffer with LMK1D1204RGTR. 1) The input of the LMK is from an oscillator SG3225VAN100.000000M-KEGA3 whose input is set to same 2.5V as the buffer. The oscillator requires a 100ohm…

  • 4 months ago
  • Clock & timing
  • Clock & timing forum

• LMK1D1204: LMK1D1204 input related issues

  

  jeno.zhang

  TI Thinks Resolved

  Part Number: LMK1D1204 Hi， The input of LMK1D1204 is a 1GHz differential clock output by a phase-locked loop, Sine wave, is input feasible? Thanks！

  • 11 months ago
  • Clock & timing
  • Clock & timing forum

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