DS12B887 Dallas Semiconductor, DS12B887 Datasheet - Page 11

• Manufacturer Part Number: DS12B887
• Description: Real Time Clock
• Manufacturer: Dallas Semiconductor

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ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
* This is a stress rating only and functional operation of the device at these or any other conditions above those
The Dallas Semiconductor DS12B887 built to the highest quality standards and manufactured for long term reliability.
All Dallas Semiconductor devices are made using the same quality materials and manufacturing methods. However,
standard versions of the DS12B887 are not exposed to environmental stresses, such as burn–in, that some industrial
applications require. For specific reliability information on this product, please contact the factory in Dallas at (214)
450–0448.
RECOMMENDED DC OPERATING CONDITIONS
DC ELECTRICAL CHARACTERISTICS
CAPACITANCE
PARAMETER
Power Supply Voltage
Input Logic 1
Input Logic 0
PARAMETER
Power Supply Current
Input Leakage
I/O Leakage
Output @ 2.4V
Output @ 0.4V
Write Protect Voltage
PARAMETER
Input Capacitance
Output Capacitance
indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
SYMBOL
SYMBOL
SYMBOL
C
I
V
V
C
V
I
V
CC1
I
I
I
OH
OUT
LO
OL
CC
IL
TP
IH
IN
IL
MIN
MIN
MIN
-0.3
-1.0
-1.0
-1.0
4.5
2.2
4.0
–0.3V to +7.0V
0 C to 70 C
–40 C to +70 C
260 C for 10 seconds
TYP
TYP
4.25
TYP
5.0
7
(0 C to 70 C; V
V
CC
MAX
MAX
MAX
+0.8
+1.0
+1.0
5.5
4.0
4.5
15
5
7
+0.3
UNITS
UNITS
UNITS
mA
mA
mA
pF
pF
V
V
V
V
A
A
CC
(0 C to 70 C)
= 4.5 to 5.5V)
(t
080895 11/16
NOTES
NOTES
NOTES
A
DS12B887
= 25 C)
1,4
1
1
1
2
3
1