TUSB2046B: Eye diagram

Danilo A.

Mastermind 27480 points

Part Number: TUSB2046B

Hi Team,

We would like to ask your help regarding our customer's inquiries below.

The eye pattern given in the datasheet what it exactly related to?

Can I validate for usb signal receiver spec? Need to match with this eye on Component 1 & 2 pins

So please give the specific standard data to validate my Si analysis for usb 2.0 differential signal. And also please clarify what the eye diagram is regarding i attached above its given in data sheet page :17, Fig:12.

Regards,

Danilo

over 2 years ago

0 Brian Zhou over 2 years ago

TI__Guru*** 130745 points

The eye diagram above is USB FS compliance test for DS port1.

it was took by single-ended probe on DP1and Dm1.

Best

Brian

0 Danilo A. over 2 years ago in reply to Brian Zhou

TI__Mastermind 27480 points

Hi Brian,

Thank you for your response. Please see the feedback of our customer below.

My query is I need the TUSB2046 component have the USB 2.0 Differential signal, And we have worked with simulation part on USB, I need Eye diagram of this USB from your end to validate my coming simulation Eye results of USB @ 480 MHz

Regards,

Danilo

0 Brian Zhou over 2 years ago in reply to Danilo A.

TI__Guru*** 130745 points

sorry, TUSB2046 is only for FS.

480Mhz is for USB HS, you need tusb4041.

Best

Brian

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TUSB2046B: Eye diagram