Answered

• LMK00105: LMK00105 related questions

  

  Clare Zhang

  Resolved

  Part Number: LMK00105 Other Parts Discussed in Thread: LMK01801 Hi, we have some questions with LMK00105. First, on datasheet page 16. A divider is mentioned here. Is the test block diagram like this: 100-MHz XO -> Divide-by-2 circuit -> LMK00105.…

  • Resolved

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

• LMK00105: some questions when the input is single-ended

  

  Noriyuki Takahashi

  Resolved

  Part Number: LMK00105 H team, Customer has some questions. The input is single-ended. The supply voltage is 3.3V. Related to CLKin 1. Should they take care about VCM? When the input is single-ended, what is the input voltage range? 2. According to the…

  • Resolved

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

• LMK00105: input voltage of LMK00105

  

  Jimmy Lai

  TI Thinks Resolved

  Part Number: LMK00105 Dear Team, According to the LMK00105SQX specification book, the actual connection method of the input terminal, the external crystal oscillator is used as the LMK00105SQX, because the input terminal has two stages of coupling capacitors…

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

• LMK00105: Drawbacks from above 2Vpp CLKin with Vdd 3.3V

  

  Jean-Philippe Gagnon

  Resolved

  Part Number: LMK00105 Hello E2E design support team, The below is the waveform taken at the LMK00105 CLKin pin for existing product. This shows that the CLKin level exceeds the specified range (0.3Vpp < Vi_se < 2Vpp) . Waveform indicates 2.0856V…

  • Resolved

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

• LMK00105: (TI) single end clock level shifter

  

  Jimmy Lai

  TI Thinks Resolved

  Part Number: LMK00105 Other Parts Discussed in Thread: LMK00304 Dear Team, May I know whether you there have single end clock level shifter from 1.8V to 3.3V 1 or 2 single end clock Many Thanks, Jimmy

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

• LMK00105: Questions about ac coupling cap

  

  Kazuhiko Hirano

  Resolved

  Part Number: LMK00105 Hello, Looking at datasheet figure 6, there are two 0.1uF caps before and after 50ohms transmission line. My customer thinks either one is good enough for ac coupling. Any specific reasons to recommend two caps for ac coupling? …

  • Resolved

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

• LMK00304: Output state confirmation of LMK00304 and LMK00105

  

  Taketo Sato

  Resolved

  Part Number: LMK00304 Other Parts Discussed in Thread: LMK00105 , LMK04832 Hello team, I have a question about LMK00304 and LMK00105. Could you answer below two cases? Regarding OSCin and CLKOUT of LMK00304 and LMK00105, What will be output on CLKOUT if…

  • Resolved

  • 9 months ago
  • Clock & timing
  • Clock & timing forum

• LMK00105: Ringing observed on the negative edge of the output

  

  Nithin Shivalingappa

  TI Thinks Resolved

  Part Number: LMK00105 Input to LMK00105 is a 1Hz single ended signal with 50% duty cycle. The preferred config (Figure 6 in datasheet) is used in our design. At the output, a 17usec pulse is observed with ringing seen on the negative edge of the pulse…

  • 9 months ago
  • Clock & timing
  • Clock & timing forum

• LMK00105: LMK00105

  

  Ariel Greenbaum

  TI Thinks Resolved

  Part Number: LMK00105 Hi, is it OK the left the OSCin and OSCout pins as NC?

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK00105: Connection between two LMK00105SQE

  

  Ryotaro Fukui

  Resolved

  Part Number: LMK00105 Hello team, I received a question from my customer about the connection between two LMK00105SQE. It would be helpful if you could check the customer's connection and see if it works properly and give us some advice. They are willing…

  • Resolved

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum

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