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DS1621 데이터 시트보기 (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS1621
Digital Thermometer and Thermostat
Dallas Semiconductor -> Maxim Integrated
DS1621 Datasheet PDF : 16 Pages
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AC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL CONDITION
Temperature
T
TC
Conversion Time
NV Write Cycle
Time
t
WR
0°C to 70°C
SCL Clock
Frequency
f
SCL
Fast Mode
Standard Mode
Bus Free Time
Between a STOP
t
BUF
Fast Mode
Standard Mode
and START
Condition
Hold Time
(Repeated) START
t
HD:STA
Fast Mode
Standard Mode
Condition
Low Period of SCL
Clock
T
LOW
Fast Mode
Standard Mode
High Period of SCL
Clock
T
HIGH
Fast Mode
Standard Mode
Setup Time for a
Repeated START
t
SU:STA
Fast Mode
Standard Mode
Condition
Data Hold Time
t
HD:DAT
Fast Mode
Standard Mode
Data Setup Time
t
SU:DAT
Fast Mode
Standard Mode
Rise Time of Both
SDA and SCL
t
R
Fast Mode
Standard Mode
Signals
Fall Time of both
SDA and SCL
t
F
Fast Mode
Standard Mode
Signals
Setup time for
STOP Condition
t
SU:STO
Fast Mode
Standard Mode
Capacitative Load
C
b
for each Bus Line
All values referred to V
IH
=0.9 V
DD
and V
IL
=0.1 V
DD
.
DS1621
(-55°C to +125°C; V
DD
=2.7V to 5.5V)
MIN TYP MAX UNITS NOTES
0.4
1
s
10 50
ms
10
0
400 KHz
0
100
1.3
µs
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0.6
4.7
0
0
100
250
20+0.1C
B
20+0.1C
B
0.6
4.0
µs
5
µs
µs
µs
0.9
µs
6, 7
ns
8
300
ns
9
1000
300
ns
9
300
µs
400
pF
AC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
Input Capacitance
C
I
(-55°C to +125°C; VDD=2.7V to 5.5V)
TYP MAX
UNITS
NOTES
5
pF
14 of 16
102299
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