DS1818 데이터 시트보기 (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS1818 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
DS1818
* 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
(-40°C to +85°C)
MAX UNITS NOTES
5.5
V
1
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
Output Current @ 0.4 V
IOL
Voltage Input Low
VIL
Voltage Input High
VIH
Operating Current VCC < 5.5V
VCC Trip Point (DS1818-5)
VCC Trip Point (DS1818-10)
VCC Trip Point (DS1818-20)
Internal Pull-up Resistor
Output Capacitance
ICC
VCCTP
VCCTP
VCCTP
RP
COUT
(-40°C to +85°C; VCC=1.2V to 5.5V)
MIN TYP MAX UNITS NOTES
+10
mA
2, 3
0.4
V
1
0.7
V
1
*VCC
28
35
µA
4
2.98 3.06 3.15
V
1
2.80 2.88 2.97
V
1
2.47 2.55 2.64
V
1
3.50 5.5
7.5
kΩ
7
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
Pushbutton Detect to RST
tPB
Pushbutton Reset
tPBRST
(-40°C to +85°C; VCC=1.2V to 5.5V)
MIN TYP MAX UNITS NOTES
100 150 250
ms
5
2
5
µs
300
µs
8
0
ns
100 150 250
ms
5, 6
1
µs
100 150 250
ms
5
4 of 5
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