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DS1672 Datasheet(PDF) 9 Page - Dallas Semiconductor

Part # DS1672
Description  Low Voltage Serial Timekeeping Chip
PDF  13 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1672 Datasheet(HTML) 9 Page - Dallas Semiconductor

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DS1672
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AC ELECTRICAL CHARACTERISTICS
(-40
°C to +85°C; V
CC > VPF)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
Fast Mode
100
400
SCL Clock
Frequency
fSCL
Standard Mode
100
kHz
Fast Mode
1.3
Bus Free Time
Between a STOP
and START
Condition
tBUF
Standard Mode
4.7
µs
Fast Mode
0.6
Hold Time
(Repeated) START
Condition
tHD:STA
Standard Mode
4.0
µs
2
Fast Mode
1.3
LOW Period of
SCL Clock
tLOW
Standard Mode
4.7
µs
Fast Mode
0.6
HIGH Period of
SCL Clock
tHIGH
Standard Mode
4.0
µs
Fast Mode
0.6
Set-up Time for a
Repeated START
Condition
tSU:STA
Standard Mode
4.7
µs
Fast Mode
0
0.9
Data Hold Time
tHD:DAT
Standard Mode
0
µs
3, 4
Fast Mode
100
Data Set-up Time
tSU:DAT
Standard Mode
250
µs
11
Fast Mode
20 + 0.1CB
300
Rise Time of Both
SDA and SCL
Signals
tR
Standard Mode
1000
ns
5
Fast Mode
20 + 0.1CB
300
Fall Time of Both
SDA and SCL
Signals
tF
Standard Mode
300
ns
5
Fast Mode
0.6
Set-up Time for
STOP Condition
tSU:STO
Standard Mode
4.0
µs
Capacitive Load for
each Bus Line
CB
400
pF
5
I/O Capacitance
CI/O
10
pF



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