DS1685 Maxim, DS1685 Datasheet - Page 25

• Manufacturer Part Number: DS1685
• Description: The DS1685/DS1687 are real-time clocks (RTCs) designed as successors to the industry-standard DS1285,DS1385, DS1485, and DS1585 PC RTCs
• Manufacturer: Maxim

DC ELECTRICAL CHARACTERISTICS
(V
DC ELECTRICAL CHARACTERISTICS
(V
Average V
Supply Current
CMOS Standby
Current
(CS = V
Input Leakage Current
(Any Input)
Output Leakage Current
Output Logic 1 Voltage
(I
Output Logic 0 Voltage
(I
Power-Fail Trip Point
Battery Switch
Voltage
Battery Leakage Current
I/O Leakage
PWR Output at 0.4V
IRQ Output at 0.4V
V
(OSC ON, E32K = 0)
V
(OSC OFF)
CC
CC
OUT
OUT
BAT
BAT
= 5.0V±10% or V
= 0V, T
, V
, V
= -1.0mA)
= +2.1mA)
BAUX
BAUX
CC
PARAMETER
PARAMETER
CC
- 0.2V)
A
Current
Current
= 0°C to +70°C, T
Power-
CC
= 3.0V±10%, T
(-5)
(-3)
(-5)
(-5)
(-3)
(-5)
(-3)
(-5)
(-3)
(-5)
(-3)
A
= -40C to +85C.)
SYMBOL
SYMBOL
I
I
BATLKG
I
OLPWR
A
I
I
V
V
OLIRQ
I
I
V
V
BAT1
BAT2
I
I
CC1
CC2
I
= 0°C to +70°C, T
OL
LO
SW
IL
OH
OL
PF
25 of 34
4.25
MIN
MIN
2.4
2.5
-1
-1
-1
A
= -40C to +85C.)
V
V
TYP
4.37
TYP
0.5
2.6
10
BAUX
BAT
7
5
1
,
DS1685/DS1687 3V/5V Real-Time Clocks
MAX
MAX
10.0
100
500
200
0.4
4.5
2.7
2.1
0.8
15
10
+1
+1
+1
3
2
4
UNITS
UNITS
mA
mA
mA
mA
A
A
nA
A
nA
nA
V
V
V
V
NOTES
NOTES
2, 3
2, 3
12
12
12
5
8
4
1
1