DS1632 Datasheet, PDF (4/6 Pages) Dallas Semiconductor – PC Power-Fail and Reset Controller

ABSOLUTE MAXIMUM RATINGS*
Voltage on V_CC Pin Relative to Ground
Voltage on I/O Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
DS1632
-0.5V to +7.0V
-0.5V to V_CC + 0.5V
0°C to 70°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
V_CC
4.5
5.0
PBRST Input High Level
V_IH
2.0
PBRST Input Low Level
V_IL
-0.3
Battery Supply Voltage
V_BAT
2.3
3.0
MAX
5.5
V_CC+0.3
+0.8
3.5
(0°C to 70°C)
UNITS NOTES
V
1
V
1, 3
V
1, 3
V
1
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
(0°C to 70°C; V_CC=4.5 to 5.5V)
TYP MAX UNITS NOTES
Output Current @ 2.4V
I_OH
1
mA
5, 7
Output Current @ 0.4V
I_OL
4
mA
7
Output Voltage @ -500 µA
V_OH V_CC-0.5V V_CC-0.1V
V
1, 6
Low Level @ RST
V_OL
0.4
V
1
Operating Current
I_CC
0.5
2.0
mA
2
V_CC Trip Point (TOL=GND)
V_CCTP
4.50
4.62
4.75
V
1
V_CC Trip Point (TOL=V_CC)
V_CCTP
4.25
4.37
4.50
V
1
Battery Fail Trip Point
V_BATTP
2.30
2.45
2.55
V
1
Supply Voltage Output
V_CCO
V_CC-0.3
V
Supply Current Output
I_CCO1
100
mA
4
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
Battery Current
I_BAT
Battery Backup Current
I_CCO2
TYP
(0°C; V_CC=<V_BAT)
MAX UNITS NOTES
2
µA
500
µA
4
CAPACITANCE
PARAMETER
Input Capacitance
Output Capacitance
SYMBOL
C_IN
C_OUT
MIN
(t_A=25°C)
TYP MAX UNITS NOTES
5
pF
7
pF
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