DS1685/DS1687 3V/5V Real-Time Clocks
DC ELECTRICAL CHARACTERISTICS
(VCC = 5.0V±10% or VCC = 3.0V±10%, TA = 0°C to +70°C, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
(-5)
(-3)
(-5)
(-3)
7
15
Average VCC Power-
Supply Current
ICC1
mA
2, 3
5
1
10
3
CMOS Standby
Current
ICC2
mA
2, 3
5
0.5
2
(CS = VCC - 0.2V)
Input Leakage Current
(Any Input)
IIL
IOL
-1
-1
+1
+1
µA
µA
V
Output Leakage Current
Output Logic 1 Voltage
(IOUT = -1.0mA)
VOH
2.4
Output Logic 0 Voltage
(IOUT = +2.1mA)
VOL
VPF
VSW
0.4
V
V
V
(-5)
(-3)
4.25
2.5
4.37
2.6
4.5
2.7
Power-Fail Trip Point
Battery Switch
Voltage
VBAT,
(-5)
8
VBAUX
Battery Leakage Current
I/O Leakage
IBATLKG
ILO
10
100
+1
nA
12
4
-1
µA
(-5)
(-3)
(-5)
(-3)
10.0
4
IOLPWR
mA
mA
1
1
PWR Output at 0.4V
IRQ Output at 0.4V
2.1
0.8
IOLIRQ
DC ELECTRICAL CHARACTERISTICS
(VCC = 0V, TA = 0°C to +70°C, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
VBAT, VBAUX Current
IBAT1
500
nA
12
(OSC ON, E32K = 0)
VBAT, VBAUX Current
(OSC OFF)
IBAT2
200
nA
12
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DALLAS [ DALLAS SEMICONDUCTOR ]
