ocr: Master Write "O" Siot Master Write "O" Slot 60us<lx "O'<120us >1us Voc 1-Wire Bus GND DS2404 Samples >1 us DS2404 Samples Min Typ Max Min Typ Maxi 15us- 15us- * 30us- 15us 15us - 30us- Master Read "O" Slot Master Read "O" Slot >1us Voc 1-Wire Bus GND Master Samples Master Samples >1us 15us - 15us- 30us 15us Line Type Legend: Bus master active low DS2404 active ioW SAMHRN Both bus master and DS2404 active low Resistor pull-up Figure 5: 2404 1-wire data formats.