DS12887 Maxim, DS12887 Datasheet - Page 2

• Manufacturer Part Number: DS12887
• Description: The DS12885, DS12887, and DS12C887 real-time clocks (RTCs) are designed to be direct replacements for the DS1285 and DS1287
• Manufacturer: Maxim

ABSOLUTE MAXIMUM RATINGS
Voltage Range on V
Operating Temperature Range ...................................................
Operating Temperature Range ...................................................
Storage Temperature Range
Real-Time Clocks
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
2
Supply Voltage
V
Input Logic 1
Input Logic 0
V
V
Input Leakage
I/O Leakage
Input Current
Output at 2.4V
Output at 0.4V
Power-Fail Voltage
VRT Trip Point
Commercial (noncondensing) .............................0°C to +70°C
Industrial (noncondensing)...............................-40°C to +85°C
EDIP ..................................................................-40°C to +85°C
PDIP, SO, PLCC, TQFP ..................................-55°C to +125°C
BAT
CC
CC
CC
_____________________________________________________________________
= +4.5V to +5.5V, T
Power-Supply Current
Standby Current
Input Voltage
PARAMETER
CC
Pin Relative to Ground .....-0.3V to +6.0V
A
= over the operating range, unless otherwise noted.) (Note 2)
SYMBOL
VRT
V
I
I
I
V
MOT
I
V
V
CC1
CCS
I
I
V
BAT
I
OH
OL
OL
CC
IL
PF
IH
IL
TRIP
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 4)
(Note 5)
(Note 6)
(Note 7)
(Note 3)
(Note 3)
(Note 3)
CONDITIONS
Lead Temperature (soldering, 10s) .................................+260°C
(Note: EDIP is hand or wave-soldered only.)
Soldering Temperature (reflow)
PDIP, SO, PLCC............................................................+260°C
TQFP .............................................................................+245°C
MIN
-0.3
-1.0
-1.0
-1.0
-1.0
4.5
2.5
2.2
4.0
TYP
4.25
1.3
V
+500
MAX
+0.8
+1.0
+1.0
CC
5.5
4.0
0.3
4.0
4.5
15
+
UNITS
mA
mA
mA
mA
µA
µA
µA
V
V
V
V
V
V