Power Sequencing Requirements for ISO7140

Steve Hobbs39

Prodigy 50 points

If the ISO7140 is using two different voltages (i.e., A = 3.3V and B = 5V), are there any sequencing requirements?

Can 3.3 come up before 5, and vice versa?

over 9 years ago

0 Koteshwar Rao over 9 years ago

TI__Guru 55795 points

Hi Steve,

There is no power sequencing requirement for ISO7140, either of the supplies with any voltage in the recommended range can come up first.

Regards,
Koteshwar Rao

0 Steve Hobbs39 over 9 years ago in reply to Koteshwar Rao

Prodigy 50 points

Thanks for the rapid response!

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Power Sequencing Requirements for ISO7140