DS18B20英文手册.pdf )
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wwwmaximiccom FEATURES cid131 Unique 1Wire interface requires only one port pin for communication cid131 Each device has a unique 64bit serial code stored in an onboard ROM cid131 Multidrop capability simplifies distributed temperature sensing applications cid131 Requires no external components cid131 Can be powered from data line Power supply range is 30V to 55V cid131 Measures temperatures from 55C to 125C 67F to 257F cid131 05C accuracy from 10C to 85C cid131 The......
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