DS1814B 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated
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DS1814B Datasheet PDF : 8 Pages
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ABSOLUTE MAXIMUM RATINGS*
Voltage on VCC Pin Relative to Ground
Voltage on I/O Relative to Ground
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
DS1814/DS1819
-0.5V to +7.0V
-0.5V to VCC + 0.5V
-40°C to +85°C
-55°C to +125°C
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
Supply Voltage
VCC
1.0
ST and PBRST Input High Level
VIH
0.8 VCC
ST and PBRST Input Low Level
VIL
(-40°C to +85°C)
MAX UNITS NOTES
5.5
V
1
V
1
0.3 VCC V
1
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
VCC Trip Point DS1814-5
VCC Trip Point DS1814-10
VCC Trip Point DS1819-5
VCC Trip Point DS1819-10
VCC Trip Point DS1819-20
Reset Trip Point Hysteresis (DS1814)
Reset Trip Point Hysteresis (DS1819)
Output Current @ 2.4V
Output Current @ 0.4V
Output Voltage @ -30 mA
Operating Current DS1814
Operating Current DS1819
VCCTP
VCCTP
VCCTP
VCCTP
VCCTP
VRH
VRH
IOH
IOL
VOH
ICC
ICC
ST Input Current
(-40°C to +85°C; VCC = 1.2V to 5.5V)
MIN TYP MAX UNITS NOTES
4.50
4.75
V
1
4.25
4.50
V
1
3.00
3.15
V
1
2.85
3.00
V
1
2.55
2.70
V
1
10
mV
5
mV
350
mA
3
3.2
6
mA
3
VCC*.8 VCC*.9
V
3
10
15
mA
4
8
12
mA
5
120
160
mA
6
ST = VCC, Time Averaged
ST Input Current
-20
-15
mA
6
ST = GND, Time Averaged
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