DS17285 Datasheet, PDF (25/38 Pages) Dallas Semiconductor – 3V/5V Real-Time Clock

DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
Average V_CC Power Supply
Current
I_CC1
CMOS Standby Current
( CS = V_CC - 0.2V)
I_CC2
Input Leakage Current
(Any Input)
I_IL
-1
Output Leakage Current
I_OL
-1
Output Logic 1 Voltage
(I_OUT = -1.0mA)
V_OH
2.4
Output Logic 0 Voltage
(I_OUT = -2.1mA)
Power-Fail Trip Point
V_OL
V_PF
4.25
Battery-Switch Voltage
V_SW
Battery Leakage OSC ON
I_BAT1
Battery Leakage OSC OFF
I_BAT2
I/O Leakage
I_LO
-1
PWR Output at 0.4V
I_OLPWR
IRQ Output at 0.4V
I_OLIRQ
DS17285/DS17287
Over the operating range (5V)
TYP MAX UNITS NOTES
25
50
mA
1, 2
1
3
mA
1, 2
+1
mA
+1
mA
5
V
0.4
V
4.37
4.5
V
3
V_BAT,
V_BAUX
V
8
0.50
0.7
mA
11
0.050
0.4
mA
11
+1
mA
4
10.0
mA
2.1
mA
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