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jgil
jgil
Associate III
June 9, 2005
Question

Psd vih

  • June 9, 2005
  • 1 reply
  • 662 views
Posted on June 09, 2005 at 09:11

Psd vih

This topic has been closed for replies.

1 reply

jgil
jgilAuthor
Associate III
May 17, 2011
Posted on May 17, 2011 at 12:07

Hello.

I'm using a upsd3212c with vcc=5V

And interface 74AHC00 with vcc=3V

Will TTL-levels reliably drive the inputs of the uPSD? That is, will a 2.4V signal from logic be interpreted as a hi, or do I need the 0.7Vcc required by p1.x MCU ports?

Best regards.

8-)

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