• LMK00338: Questions to check

  

  Oliver Lin

  TI Thinks Resolved

  Part Number: LMK00338 Tool/software: Hi team, My customer has some questions on LMK00338 1. If this is for PCIE Gen5 CLK with HCSL, are Rs and 50ohm mandatory? 2. Is that possible to adjust voltage level on pin V_CCOA, V_CCOB, V_CCOC? 3. If HCSL…

  • 16 days ago
  • Clock & timing
  • Clock & timing forum

• LMK00338: Vcross(min) of LMK00338 HCSL Output Doesn't Meet VCMD(min) of LMK00334 CLKin0 Input

  

  Rob Weinstein

  TI Thinks Resolved

  Part Number: LMK00338 Other Parts Discussed in Thread: LMK00334 Tool/software: Hello, My design uses an HCSL output from a LMK00338 to directly drive the CLKin0 input of a LMK00334 and, at first glance, the common-mode voltage ranges seem incompatible…

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

• RE: LMK00338: Reel baking

  

  vicente flores prado

  Resolved

  Hi Itoh-san, I'll follow up tomorrow - the PE who normally answers these questions is OoO. Best Regards, Vicente

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

• LMK00334: LMK00334 vs. LMK00338

  

  Motoyasu Hattori

  Resolved

  Part Number: LMK00334 Other Parts Discussed in Thread: LMK00338 , Hi, Could you please let us know what is different between LMK00334 and LMK00338? My understanding is # of output channel is only different. Is it correct? Please advise us. Thanks and best…

  • Resolved

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

• LMK00338: LMK00338 : Input differential LVDS refclk input, 100ohm termination resistor

  

  ST LOH

  Resolved

  Part Number: LMK00338 HI, For LMK00338 with LVDS input refclk, is it required to add an external 100ohm termination resistor to the input ? rdgs stloh

  • Resolved

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

• LMK00338: How to determine minimum Vod from Min/Max Vol and Voh

  

  Jim Brinkhurst1

  Resolved

  Part Number: LMK00338 Other Parts Discussed in Thread: CDCDB800 Hi experts I'm working on a design using LMK00338 and need to determine the minimum Vod in HSCL mode. The spec table lists min/max Voh and Vol, but doesn't list Vod. What is the realistic…

  • Resolved

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

• RE: LMK00338: Vcross doesn't meet PCIe gen5 spec

  

  Asim Khan

  Resolved

  Hi Kazuki San, Yes, I have found data on this part. I think confusion in the datasheet could be due to 2.5 V power supply. I have checked data at 3.3 V and its compliant with the standard there is no issue. I will update datasheet with correct values…

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

• LMK00338: Outputs of the LMK00338 PCIe clock buffer are "dying" with time.

  

  Alex Rotenstein

  Resolved

  Part Number: LMK00338 Other Parts Discussed in Thread: LMK00334 I have problem with LMK00338 8-Output PCIe clock buffer. The outputs are "dying" with time for unknown reason. For instance, the swing of the positive or negative leg of some outputs…

  • Resolved

  • over 2 years ago
  • Clock & timing
  • Clock & timing forum

• LMK00338: MAX current consumption of LMK00338

  

  Motoyasu Hattori

  TI Thinks Resolved

  Part Number: LMK00338 Hi, My customer wants calculate MAX current consumption of LMK00338 under the following condition. OSCin All 8ch HCSL output On this case, there is MAX current consumption as follows: MAX current consumption =ICC_CORE(OSCin selected…

  • over 2 years ago
  • Clock & timing
  • Clock & timing forum

• LMK00338:

  

  Bahram Afghani

  TI Thinks Resolved

  Part Number: LMK00338 1- Would I be damaging OSCin inside buffer by applying a CMOS OSCILLATOR output directly to OSCin pin? The OSC's 3.3V CMOS output is divided by 2 via 2 x 49.9 ohms and fed to pin 13 (OSCin). no AC coupling cap is implemented. …

  • over 2 years ago
  • Clock & timing
  • Clock & timing forum

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