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DS1921 Datasheet(PDF) 28 Page - Dallas Semiconductor

Part # DS1921
Description  High-Resolution Thermochron iButton
PDF  44 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1921 Datasheet(HTML) 28 Page - Dallas Semiconductor

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DS1921H/Z
28 of 44
ROM FUNCTIONS FLOW CHART Figure 13-2
3CH
Overdrive
Skip ROM?
N
Y
Master TX Bit 63
Master TX Bit 1
Master TX Bit 0
Bit 63 Match?
Bit 1 Match?
Bit 0 Match?
69H
Overdrive
Match?
N
Y
N
Y
Y
N
Y
N
CCH
Skip
ROM?
N
Y
3)
3)
3)
3)
Always to be transmitted at Overdrive speed.
OD = 1
Master TX
Reset Pulse?
Y
N
OD = 1
To Figure 13
1
st Part
To Figure 13
1
st Part
From Figure 13
1
st Part
From Figure 13
1
st Part



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