DS2705_07 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
DS2705_07 Datasheet PDF : 18 Pages
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DS2705: SHA-1 Authentication Master
AC ELECTRICAL CHARACTERISTICS: MASTER 1-Wire INTERFACE
(2.5V ≤ VDD ≤ 5.5V, TA = -20°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
STANDARD BUS TIMING
Time Slot
tMSLOT
(Note 10)
90
μs
Recovery Time
tMREC
(Note 10)
7.5
10 12.5
μs
Write-0 Low Time
tMLOW0
(Note 10)
88.5
μs
Write-1 Low Time
tMLOW1
(Note 10)
1.05
1.5 2.25
μs
Read-Data Sample Window
tMRDV
(Note 10)
4.0
5.5
7.0
μs
Reset-Time Low
tMRSTL
(Note 10)
510
680 850
μs
Presence-Detect High
tMPDH
(Note 10)
2
75
μs
Presence-Detect Low
tMPDL
(Note 10)
2
400
μs
OVERDRIVE BUS TIMING
Time Slot
tMSLOT
(Note 10)
12
μs
Recovery Time
tMREC
(Note 10)
1
2
2.5
μs
Write-0 Low Time
tMLOW0
(Note 10)
10.5
μs
Write-1 Low Time
tMLOW1
(Note 10)
0.35
0.5 0.65
μs
Read-Data Sample Window
tMRDV
(Note 10)
1.1
1.5
1.9
μs
Reset-Time Low
tMRSTL
(Note 10)
53
70
88
μs
Presence-Detect High
tMPDH
(Note 10)
2
7
μs
Presence-Detect Low
tMPDL
(Note 10)
2
41
μs
3 of 18
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