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SN65DSI83-Q1: Spread spectrum clocking datasheet spec

Part Number: SN65DSI83-Q1


Hi team,

The datasheet has spread depth spec in the EC table. It mentions "center spread".

1) For Max spec of 2%, does it mean +/- 1% from center frequency? Or, +/- 2%?

2) Why there is the minimum spec of 0.5%? Since the foot note mentions the clock is passed through, I think the spread spectrum works even if the spread depth is lower than 0.5%. Please explain the meaning of the min spec.

Regards,