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…

  • 4 days 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

  • 3 months 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

  • 6 months 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

  • 3 months 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. …

  • 8 months 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…

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

• LMK00338: LMK00338RTAT - Schematic Verification

  

  Dhanalakshmi Durairaj

  TI Thinks Resolved

  Part Number: LMK00338 Hi, We planned to use LMK00338RTAT PCIe Clock Buffer for our design. 2 Input Clock and 5 Output HCSL Clocks. We dont need Osc Input and LVCMOS Output.(is there any guidelines for not used pins?) Please verify the Schematics and send…

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

• LMK00338: Recommended circuit to convert LMK00338 HCSL output to LVDS?

  

  Chris Ziomkowski

  TI Thinks Resolved

  Part Number: LMK00338 Other Parts Discussed in Thread: LMK00301 Hi, My PCIe switch requires a 1.8V LVDS input for the clock. Is there a recommended circuit to convert the HCSL output clocks from the LMK00338 to LVDS signalling? (1.2v offset, 600 mVpp…

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

• RE: LMK00338: Vcross(Absolute crossing point voltage)

  

  Hao Z

  Hi Noriyuki, I will follow up by email. Regards, Hao

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

• LMK00338: Can't LMK00338's PCLe support SRIS and SRnS architecture?

  

  Qi Liu

  TI Thinks Resolved

  Part Number: LMK00338 Hi, support team My customer has the questions as follow: There is no record of SRIS support or SRnS support in LMK00338‘s datasheet. Can't LMK00338's PCLe support SRIS and SRnS architecture? Thanks so much. Best regards…

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

Didn't find what you are looking for? Post a new question.