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which one is better for level shifter 5v to 3.3v for mmc?

 
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which one is better for level shifter 5v to 3.3v for mmc?
PostPosted: Sat Mar 26, 2005 11:04 am     Reply with quote
which one is better choose for level shifter from 5v to 3.3v for MMC?
1) use a 7407 buffer open collector with 2.2k pull up res to 3.3v
2)use voltage divider a 3.3k with 1.8k
3)use two 1n4148 series with a pull down res
Mark



Joined: 07 Sep 2003
Posts: 2838
Location: Atlanta, GA

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PostPosted: Sat Mar 26, 2005 11:19 am     Reply with quote
quit double posting! Twisted Evil
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