DS1817 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated
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DS1817 Datasheet PDF : 5 Pages
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ABSOLUTE MAXIMUM RATINGS*
Voltage on VCC Pin Relative to Ground
Voltage on RST Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-0.5V to +7.0V
-0.5V to 5VCC +0.5V
-40°C to +85°C
-55°C to +125°C
260°C for 10 seconds
DS1817
* 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
Supply Voltage
VCC
0.0
(-40°C to +85°C)
MAX UNITS NOTES
5.5
V
1
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
Output Voltage @ 0-500 µA
VOH
Output Current @ 2.4V
Output Current @ 0.4V
Operating Current VCC < 5.5
VCC Trip Point (DS1817-5)
VCC Trip Point (DS1817-10)
VCC Trip Point (DS1817-20)
Output Capacitance
IOH
IOL
ICC
VCCTP
VCCTP
VCCTP
COUT
(-40°C to +85°C; VCC=1.2V to 5.5V)
MIN TYP MAX UNITS NOTES
VCC
VCC
-0.5V -0.1V
V
1
350
µA
2
+10
mA
2
28
35
µA
3
2.98 3.06 3.15
V
1
2.80 2.88 2.97
V
1
2.47 2.55 2.64
V
1
10
pF
AC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
RESET Active Time
tRST
VCC Detect to RST
tRPD
VCC Slew Rate
tF
(VCCTP (MAX) to VCCTP (MIN))
VCC Slew Rate
tR
(VCCTP (MIN) to VCCTP (MAX))
VCC Detect to RST
tRPU
(-40°C to +85°C; VCC=1.2V to 5.5V)
MIN TYP MAX UNITS NOTES
100 150 250
ms
2
5
µs
300
µs
6
0
ns
100 150 250
ms
4, 5
4 of 5
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