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DS1904
READ/WRITE TIMING DIAGRAM Figure 9
Write-one Time Slot
V PULLUP
t SLOT
t REC
V PULLUP MIN
V IH MIN
DS1904
Sampling Window
V IL MAX
0V
t LOW1
15μs
60μs
RESISTOR
MASTER
Write-zero Time Slot
60 μs ≤ t SLOT < 120 μs
1 μs ≤ t LOW1 < 15 μs
1 μs ≤ t REC < ∞
V PULLUP
t SLOT
t REC
V PULLUP MIN
V IH MIN
DS1904
Sampling Window
V IL MAX
0V
15μs
60μs
t LOW0
RESISTOR
MASTER
Read-data Time Slot
60 μs ≤ t LOW0 < t SLOT < 120 μs
1 μs ≤ t REC < ∞
V PULLUP
t SLOT
t REC
V PULLUP MIN
V IH MIN
Master
V IL MAX
0V
t SU
t LOWR
Sampling Window
t RDV
t RELEASE
RESISTOR
MASTER
DS1904
60 μs ≤ t SLOT < 120 μs
1 μs ≤ t LOWR < 15 μs
0 ≤ t RELEASE < 45 μs
10 of 13
1 μs ≤ t REC < ∞
t RDV = 15 μs
t SU < 1 μs
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相关代理商/技术参数
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功能描述:iButton RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated
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功能描述:iButton RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated
DS1920-F5+
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