Real-Time Clock
DS12885/DS12887/DS12887A/DS12C887/DS12C887A
ABSOLUTE MAXIMUM RATINGS
Voltage Range on V
CC
Pin Relative to Ground .....-0.3V to +6.0V
Operating Temperature Range ...................................................
Commercial (noncondensing) .............................0°C to +70°C
Operating Temperature Range ...................................................
Industrial (noncondensing)...............................-40°C to +85°C
Storage Temperature Range .............................-55°C to +125°C
Soldering Temperature .......................................See IPC/JEDEC
J-STD-020 Specification (Note 1)
Soldering Temperature (leads, 10s) ................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
(V
CC
= +4.5V to +5.5V,
T
A
= over the operating range, unless otherwise noted.) (Note 2)
PARAMETER
Supply Voltage
V
BAT
Input Voltage
Input Logic 1
Input Logic 0
V
CC
Power-Supply Current
V
CC
Standby Current
Input Leakage
I/O Leakage
Input Current
Output at 2.4V
Output at 0.4V
Power-Fail Voltage
VRT Trip Point
SYMBOL
V
CC
V
BAT
V
IH
V
IL
I
CC1
I
CCS
I
IL
I
OL
I
MOT
I
OH
I
OL
V
PF
VRT
TRIP
(Note 6)
(Note 7)
(Note 3)
(Note 3)
(Note 3)
4.0
4.25
1.3
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 4)
(Note 5)
-1.0
-1.0
-1.0
-1.0
4.0
4.5
+1.0
+1.0
+500
CONDITIONS
MIN
4.5
2.5
2.2
-0.3
TYP
MAX
5.5
4.0
V
CC
+
0.3
+0.8
15
UNITS
V
V
V
V
mA
mA
µA
µA
µA
mA
mA
V
V
2
_____________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
