TMDS1204: VCC/VIO turn on timing

Yasushi Fujiwara

Part Number: TMDS1204
Other Parts Discussed in Thread: TDP1204, TDP0604

Hello Experts,

My customer would like to know whether a timing relationship between VCC and VIO when device is turned on. Does this device has any restriction for turned on timing between VCC and VIO?
Also customer has same question about TDP1204 and TDP0604. Would you answer it, please?

Best Regards,
Fujiwara

7 months ago

0 Zach Dryer 7 months ago

TI__Genius 13290 points

Hello, Fujiwara,

I am working on this now and will get back to you shortly.

Thanks,

Zach

0 David (ASIC) Liu 7 months ago

TI__Guru*** 142445 points

Fujiwara-san

Please see the power-on timing diagram in the datasheet as shown below,

As long as the EN pin is hold low while VIO and VCC ramp up, then there is no turned on timing between VCC and VIO. Please make sure all timing requirements are met as well.

Thanks

David

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TMDS1204: VCC/VIO turn on timing