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Can you pull the OC outputs to 3.3 instead of 5.0 on the 6533 D I/O board?

Can you pull the OC outputs to 3.3 instead of 5.0 on the 6533 D I/O board?

‎05-25-2005 04:14 PM

Can you pull the open collector outputs on the 6533 Digital I/O board to 3.3 volts instead of 5.0 volts? It seems from the specs that 3.3 volt inputs will function properly, anybody have experiance with this?
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Re: Can you pull the OC outputs to 3.3 instead of 5.0 on the 6533 D I/O board?

‎05-26-2005 09:36 AM

Hello BMEWOLF,

Logically, 3.3V would work since it is still a high TTL speaking. There is no guarranty though since the board was built considering that those pins will use 5V.
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