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SN74LVC1T45: About recommended input capacotance for ESD

miyata.fumiki
Prodigy 100 points
Part Number: SN74LVC1T45

Hi team.

Would you please tell me the recommended input capacitor capacity for ESD?

Target Pin is Pin3 in SN74LVC1T45.

And,I think it will lead to delays,

so I would like to know the maximum value of capacity that can be inserted.

Thank you.

Best regards,

miyata

  • +1
    Guru 295240 points

    The Δt/Δv limit is 10 ns/V with a 3.3 V supply; the capacitor must not make the input edges slower than this.

    In general, to protect an input pin against ESD, you should use clamping/ESD/TVS diodes.