ISO7240 Unused inputs

Kazuhiko Ogawa

Intellectual 985 points

Hello,

ISO7240 has failsafe function.
Should the unused inputs of the ISO7240 leave them open?

Best Regards,
Kazu Ogawa

over 9 years ago

0 SaranganValavan over 9 years ago

TI__Intellectual 1815 points

Kazu-san,
You are right , you can leave the unused pins floating. It will be automatically be pulled up to Vcc by an internal resistor.
regards,
Sarangan Valavan

0 Kazuhiko Ogawa over 9 years ago in reply to SaranganValavan

Intellectual 985 points

Sarangan-san,

Thank you very much for your prompt reply.

Best Regards,
Kazu Ogawa

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ISO7240 Unused inputs