• 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…

  • 15 days 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

  • 2 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

• LMK00338: What is the HCSL output swing level, VOL/VOH level for VCCO=2.5V and VCCO=1.8V?

  

  ST LOH

  TI Thinks Resolved

  Part Number: LMK00338 HI, What is the expected HCSL output swing level, VOL/VOH level for VCCO=2.5V and VCCO=1.8V? VCC=3.3V. In the table only show for VCCO=3.3V. tx rdgs stloh

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

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