Power Fail pin of DS1305

Archiver

I am interfaceing the DS1305 Real-Time-Clock with my bs2 and I am
curious to know if I can leave the power fail pin floating or if I
should provide it a load. The pin is active low and is only driven
low if the supply voltage falls 0.2 volts below the backup supply. I
haven't decided if I will be using this feature, although, if I
choose not to, I would appreciate anyone's input on what to do with
the pin.

Thanks,

Kevin

Archiver

If you are't going to use the backup supply. You should be put this pin
floating or normal supply (5V)

Best Regards

Atentamente.
Ing. Damian Trujillo G.
RIESE & CIA, S.A.
Caracas - Venezuela
Phone: 58-212-7934266/4377
Fax: 58-212-7940791/0908
Email: dtrujillo_riese@c...

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Original Message

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From: basicstamps@yahoogroups.com
Date: Martes 25 de Febrero de 2003 01:57:37 PM
To: basicstamps@yahoogroups.com
Subject: [noparse][[/noparse]basicstamps] Power Fail pin of DS1305

I am interfaceing the DS1305 Real-Time-Clock with my bs2 and I am
curious to know if I can leave the power fail pin floating or if I
should provide it a load. The pin is active low and is only driven
low if the supply voltage falls 0.2 volts below the backup supply. I
haven't decided if I will be using this feature, although, if I
choose not to, I would appreciate anyone's input on what to do with
the pin.

Thanks,

Kevin


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