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TS3DV642: Characteristic Difference Between Port-A and Port-B

Sadanori Kato
Guru 36540 points
Part Number: TS3DV642
Other Parts Discussed in Thread: HD3SS215

Hi,

Could you please tell us that reason that the characteristics for the ON-state resistance, propagation delay, skew, BW, insertion loss and etc. are different between Port-A and Port-B ?
Are these differences in physical structure ?

Best regards,
Kato

  • 0
    TI__Mastermind 45595 points
    Kato,

    The TS3DV642 is a high performance pass FET switch. The differences you are seeing between the A and B ports are very small in the ps range and the bandwidth/insertion loss is in the >6GHz range. These high performance specs are sensitive to even the small die layout and bond wire variations. There is no difference in the design of the A port and B port pass FETs other than the layout and bondwires.

    What is the reason for your concern with these specs. Are you using this device in a high performance application.

    Thank you,
    Adam
  • 0 in reply to Adam Torma
    Guru 36540 points

    Hi Adam-san,

    Thank you for your reply.
    Our customer is considering to use either TS3DV642 or HD3SS215 as the HDMI switch, so he is concerned about the characteristic difference by each port.
    I will inform him of your information.

    Best regards,
    Kato