DS1384 Datasheet, PDF (11/17 Pages) Dallas Semiconductor – Watchdog Timekeeping Controller

ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-0.3V to +7.0V
0°C to 70°C
-20°C to +70°C
See J-STD-020A Specification
DS1384
✻_{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
MAX
Supply Voltage
V_CC
4.5
Logic 1 Voltage All Inputs
V_IH
2.0
Logic 0 Voltage All Inputs
V_IL
-0.3
Battery Input Voltage
V_BAT
2.4
5.5
V_CC+0.3
0.8
4.0V
(0°C to 70°C)
UNITS NOTES
V
1
V
V
V
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
Average VCC Power
I_CC1
Supply Current
TTL Standby Current
I_CC2
( CE = V_IH)
CMOS Standby Current
I_CC3
(CE V_CC-0.2V)
Input Leakage Current
I_IL
1
(any input)
Output Leakage Current
Output Logic 1 Voltage
(I_OH = -1.0 mA)
Output Logic 0 Voltage
(I_OH = +2.1 mA)
Output Voltage
I_IO
V_OH
V_OL
V_CCO1
-1
2.4
V_CC-
0.3
Output Current
Write Protection Voltage
Output Voltage
I_CCO1
V_PF
V_CCO2
4.0
V_BAT
-0.3
Output Current
Battery Leakage OSC ON
Battery Leakage OSC OFF
Switch Over Voltage
I_CCO2
I_BAT1
I_BAT2
V_SO
(0°C to 70°C; V_CC = 5V ± 10%)
TYP
MAX
UNITS NOTES
7
15
mA
2, 3
2
5
mA
2, 3
1
3
mA
2, 3
+1
µA
+1
µA
V
0.4
V
V
4
85
mA
4
4.25
4.5
V
5
V
6
100
µA
6
500
nA
100
nA
V_BAT1,
V
V_BAT2
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