DS1249W 데이터 시트보기 (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS1249W Datasheet PDF : 8 Pages
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ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
DS1249W
-0.3V to +4.6V
0°C to 70°C (-40°C to +85°C for IND parts)
-40°C to +70°C (-40°C to +85°C for IND parts)
+260°C for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions
above those indicated in the operation sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
SYMBOL MIN TYP
Power-Supply Voltage
VCC
3.0 3.3
Logic 1
VIH
2.2
Logic 0
VIL
0.0
(TA: See Note 10)
MAX UNITS NOTES
3.6
V
VCC
V
+0.4
V
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
Input Leakage Current
IIL
I/O Leakage Current CE ³ VIH £ VCC
IIO
Output Current at 2.2V
IOH
Output Current at 0.4V
IOL
Standby Current CE = 2.2V
ICCS1
Standby Current CE = VCC - 0.2V
ICCS2
Operating Current
ICCO1
Write Protection Voltage
VTP
(TA: See Note 10; VCC = 3.3V ± 0.3V)
MIN TYP MAX UNITS NOTES
-2.0
+2.0
mA
-2.0
+2.0
mA
-1.0
mA
2.0
mA
150 250
mA
100 150
mA
50
mA
2.8 2.9
3.0
V
CAPACITANCE
PARAMETER
Input Capacitance
Input/Output Capacitance
SYMBOL
CIN
CI/O
MIN
TYP
10
10
MAX
20
20
(TA = +25°C)
UNITS NOTES
pF
pF
3 of 8
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