DS1307 Datasheet, PDF (8/11 Pages) Dallas Semiconductor – 64 X 8 Serial Real Time Clock

ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
DS1307
-0.5V to +7.0V
0°C to 70°C (-40°C to 85°C for industrial)
-55°C to +125°C
260°C for 10 seconds DIP
See JPC/JEDEC Standard J-STD-020A for
Surface Mount Devices
* This is a stress rating only and functional operation of the device at these or any other conditions above
those 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.
RECOMMENDED DC OPERATING CONDITIONS
(0°C to 70°C or -40°C to +85°C)
PARAMETER
SYMBOL MIN TYP MAX UNITS NOTES
Supply Voltage
Logic 1
Logic 0
V_BAT Battery Voltage
V_CC
4.5 5.0
5.5
V
1
V_IH
2.2
V_CC+0.3 V
1
V_IL
-0.3
+0.8
V
1
V_BAT
2.0
3.5
V
1
DC ELECTRICAL CHARACTERISTICS
(0°C to 70°C or -40°C to +85°C; V_CC =4.5V to 5.5V)
PARAMETER
SYMBOL MIN TYP MAX UNITS NOTES
Input Leakage
I_LI
1
µA
10
I/O Leakage
I_LO
1
µA
11
Logic 0 Output
V_OL
0.4
V
2
Active Supply Current
I_CCA
Standby Current
I_CCS
1.5
mA
9
200
µA
3
Battery Current (OSC ON);
SQW/OUT OFF
I_BAT1
300 500
nA
4
Battery Current (OSC ON);
SQW/OUT ON (32 kHz)
I_BAT2
480 800
nA
4
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