ISO7741: Signaling rate and delay

Zhou Fang67

Part Number: ISO7741

Hi Expert,

Is there any relationship between propagation delay and signaling rate for ISO77xx and ISO724xM?

In the datasheet, ISO77xx has MAX 16ns propagation delay and support 100Mbps; ISO724xM has 23ns propagation delay and support 150Mbps.

From datasheet, the only parameter which has impact is PWD. How can I interpret delay and signaling rate better?

Thanks.

Zhou

over 6 years ago

0 Dan Kisling over 6 years ago

TI__Expert 6195 points

Hi Zhou,

Thanks for the question.
Our ISO77xx expert is on travel right now. Please allow us until Monday to respond to your question.

Thank you for your patience and understanding,
Dan

0 Zhou Fang67 over 6 years ago in reply to Dan Kisling

TI__Expert 4250 points

Hi Dan,

Looking forward answer.

Thanks.

0 Dan Kisling over 6 years ago in reply to Zhou Fang67

TI__Expert 6195 points

Hi Zhou,

Thank you for your patience. I have checked with our experts: prop delay and datarate are independent, though prop delay can limit the maximum datarate. The ISO72xx can only achieve 23ns, but the new ISO77xx can achieve 16ns.

If that answers your question, please let me know by clicking "This resolves my issue." If you have further questions please just respond to the thread.

Best regards,
Dan

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ISO7741: Signaling rate and delay