參數(shù)資料
型號: DS1672S-3
英文描述: Low Voltage Serial Timekeeping Chip
中文描述: 低電壓串行時鐘芯片
文件頁數(shù): 9/13頁
文件大小: 104K
代理商: DS1672S-3
DS1672
9 of 13
AC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
SCL Clock
Frequency
(-40
°
C to +85
°
C; V
CC
> V
PF
)
TYP
MAX
UNITS
400
CONDITION
Fast Mode
MIN
100
NOTES
f
SCL
Standard Mode
100
kHz
Fast Mode
Standard Mode
1.3
4.7
Bus Free Time
Between a STOP
and START
Condition
Hold Time
(Repeated) START
Condition
LOW Period of
SCL Clock
HIGH Period of
SCL Clock
Set-up Time for a
Repeated START
Condition
Data Hold Time
t
BUF
μ
s
Fast Mode
Standard Mode
0.6
4.0
t
HD:STA
μ
s
2
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
1.3
4.7
0.6
4.0
0.6
4.7
t
LOW
μ
s
t
HIGH
μ
s
t
SU:STA
μ
s
Fast Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
Standard Mode
0
0
0.9
t
HD:DAT
μ
s
3, 4
100
250
Data Set-up Time
t
SU:DAT
μ
s
11
20 + 0.1C
B
300
1000
Rise Time of Both
SDA and SCL
Signals
Fall Time of Both
SDA and SCL
Signals
Set-up Time for
STOP Condition
Capacitive Load for
each Bus Line
I/O Capacitance
t
R
ns
5
Fast Mode
Standard Mode
20 + 0.1C
B
300
300
t
F
ns
5
Fast Mode
Standard Mode
0.6
4.0
t
SU:STO
μ
s
C
B
400
pF
5
C
I/O
10
pF
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相關代理商/技術參數(shù)
參數(shù)描述
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