Datasheet

DS1685/DS1687 3V/5V Real-Time Clocks
25 of 34
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 UNITS NOTES
(-5) 7 15
Average V
CC
Power-
Supply Current
(-3)
I
CC1
5 10
mA 2, 3
(-5) 1 3
CMOS Standby
Current
(CS = V
CC
- 0.2V)
(-3)
I
CC2
0.5 2
mA 2, 3
Input Leakage Current
(Any Input)
I
IL
-1 +1
A
Output Leakage Current I
OL
-1 +1
A
5
Output Logic 1 Voltage
(I
OUT
= -1.0mA)
V
OH
2.4 V
Output Logic 0 Voltage
(I
OUT
= +2.1mA)
V
OL
0.4 V
(-5) 4.25 4.37 4.5
Power-Fail Trip Point
(-3)
V
PF
2.5 2.6 2.7
V
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
A
4
(-5) 10.0
PWR Output at 0.4V
(-3)
I
OLPWR
4
mA 1
(-5) 2.1
IRQ Output at 0.4V
(-3)
I
OLIRQ
0.8
mA 1
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