参数资料
型号: DS1904L-F5#
厂商: Maxim Integrated
文件页数: 10/13页
文件大小: 0K
描述: IBUTTON RTC F5 MICROCAN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
RoHS指令信息: IButton RoHS Compliance Plan
标准包装: 30
系列: iButton®
产品目录页面: 1431 (CN2011-ZH PDF)
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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