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push pull vs open drain

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R.Sandy

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Why open drain is used in i2c instead of push pull mode
 
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You are misinformed. RS-232 is most definitely NOT open-drain
 

barry said:
You are misinformed. RS-232 is most definitely NOT open-drain
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Sorry i mistakenly said my question is why i2c uses open drain instead of push pull.
 

to make powerfull logic 0 and weak logic 1.
if you make booth powerfull then it can make short circuit while communication.
 

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