• 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 3 years 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 2 years 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…

  • over 3 years ago
  • Clock & timing
  • Clock & timing forum

• LMK00338: Vcross(Absolute crossing point voltage)

  

  Noriyuki Takahashi

  Part Number: LMK00338 Hi team, Customer mentions that Vcross(Absolute crossing point voltage) of LMK00338 doesn't match with the standards(Refclk DC Specification and AC Timing Requirements Table 8-16 & Table 8-17). The Vcross of this device is…

  • over 3 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 2 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK00338: PCB layout for unused output pins

  

  Noriyuki Takahashi

  Resolved

  Part Number: LMK00338 Hi team, As written on the datasheet 8.3.3 Clock Outputs, any unused output pin should be left floating with a minimum copper length (see note below) to minimize capacitance and potential coupling and reduce power consumption…

  • Resolved

  • over 3 years ago
  • Clock & timing
  • Clock & timing forum

• LMK00338: 1 to 5 alternative solution for LMK00338

  

  Wayne Wang20

  TI Thinks Resolved

  Part Number: LMK00338 Other Parts Discussed in Thread: LMK00334 Hi team, My customer is searchingn for a PCIE clock driver which can convert 1 input to 5 output. The input and output clk frequency are all 100MHz. And the input and output logic level…

  • over 5 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK00338: No output (troubleshooting)

  

  Allen Fernandez

  Resolved

  Part Number: LMK00338 My LMK00338 design is not producing an output signal on any of the outputs. I am enclosing a snapshot of my schematic along with a scope-shot of the input signal (I captured one leg of a differential input). Both voltage rails (3V3_CLK…

  • Resolved

  • over 4 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK00301: LMK00301 and/or LMK00338 for PCIe Gen 5?

  

  Gary Thompson

  Resolved

  Part Number: LMK00301 Other Parts Discussed in Thread: LMK00338 , It looks like both the LMK00301 and LMK00338 meet the additive jitter requirements for PCIe Gen 5 clock distribution, but it isn't specified in the data sheet. Can you confirm the LMK00301…

  • Resolved

  • over 3 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMK00338: Can the device support Low Power HCSL as input?

  

  Noriyuki Takahashi

  Resolved

  Part Number: LMK00338 Hi team, Can LMK00338 support Low Power HCSL as input? Regards, Noriyuki Takahashi

  • Resolved

  • over 3 years ago
  • Clock & timing
  • Clock & timing forum

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