DS1742W-120 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated
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DS1742W-120 Datasheet PDF : 12 Pages
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ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
DS1742
-0.3V to +6.0V
0°C to 70°C
-20°C to +70°C
See J-STD-020A Specification (See Note 7)
* 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.
OPERATING RANGE
Range
Commercial
Temperature
0°C to +70°C
VCC
3.3V ± 10% or 5V ± 10%
RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
SYMBOL MIN TYP
Logic 1 Voltage All Inputs
VCC = 5V ±10%
VIH
2.2
VCC = 3.3V ±10%
VIH
2.0
Logic 0 Voltage All Inputs
VCC = 5V ±10%
VIL
-0.3
VCC = 3.3V ±10%
VIL
-0.3
(Over the Operating Range)
MAX UNITS NOTES
VCC +0.3V
V
1
VCC +0.3V
V
1
0.8
V
1
0.6
V
1
DC ELECTRICAL CHARACTERISTICS
(Over the Operating Range; VCC = 5.0V ± 10%)
PARAMETER
SYMBOL MIN TYP MAX UNITS NOTES
Active Supply Current
ICC
15
50
mA
2, 3
TTL Standby Current ( CE =VIH )
ICC1
CMOS Standby Current
ICC2
( CE ≥=VCC - 0.2V)
Input Leakage Current
IIL
(any input)
1
1
-1
3
mA
2, 3
3
mA
2, 3
+1
µA
Output Leakage Current
(any output)
IOL
-1
+1
µA
Output Logic 1 Voltage
VOH
2.4
1
(IOUT = -1.0 mA)
Output Logic 0 Voltage
(IOUT = +2.1 mA)
VOL
0.4
1
Write Protection Voltage
VPF
4.25
4.50
V
1
Battery Switch-over Voltage
VSO
VBAT
1, 4
5 of 12
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