DS1685 Datasheet, PDF (25/33 Pages) Maxim Integrated Products – 3V/5V Real-Time Clocks

DS1685/DS1687 3V/5V Real-Time Clocks
DC ELECTRICAL CHARACTERISTICS
(V_CC = 5.0V±10% or V_CC = 3.0V±10%, T_A = 0°C to +70°C, T_A = -40°C to +85°C.)
PARAMETER
SYMBOL
MIN
TYP
MAX
Average V_CC Power- ^(-5)
Supply Current
(-3)
I_CC1
7
15
5
10
UNITS NOTES
mA
2, 3
CMOS Standby
(-5)
Current
I_CC2
(CS = V_CC - 0.2V)
(-3)
1
3
mA
2, 3
0.5
2
Input Leakage Current
(Any Input)
I_IL
-1
+1
mA
Output Leakage Current
Output Logic 1 Voltage
(I_OUT = -1.0mA)
Output Logic 0 Voltage
(I_OUT = +2.1mA)
I_OL
-1
V_OH
2.4
V_OL
+1
mA
5
V
0.4
V
(-5)
4.25
4.37
4.5
Power-Fail Trip Point
V_PF
V
(-3)
2.5
2.6
2.7
Battery Switch
Voltage
(-5)
V_SW
V_BAT,
V_BAUX
V
8
Battery Leakage Current
I_BATLKG
10
100
nA
12
I/O Leakage
I_LO
-1
+1
mA
4
(-5)
PWR Output at 0.4V
(-3)
I_OLPWR
10.0
mA
1
4
(-5)
IRQ Output at 0.4V
(-3)
I_OLIRQ
2.1
mA
1
0.8
DC ELECTRICAL CHARACTERISTICS
(V_CC = 0V, T_A = 0°C to +70°C, T_A = -40°C to +85°C.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
V_BAT, V_BAUX Current
(OSC ON, E32K = 0)
I_BAT1
500
nA
12
V_BAT, V_BAUX Current
(OSC OFF)
I_BAT2
200
nA
12
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