DS1307 Datasheet, PDF (5/14 Pages) Dallas Semiconductor – 64 X 8 Serial Real Time Clock

TYPICAL OPERATING CHARACTERISTICS
(V_CC = 5.0V, T_A = +25°C, unless otherwise noted.)
120
110
100
90
80
70
60
50
40
30
20
10
0
1.0
I_CCS vs. V_CC
2.0
3V.0_{CC (V)} 4.0
V_BAT=3.0V
5.0
400
350
300
250
200
150
100
2.0
DS1307 64 x 8, Serial, I²C Real-Time Clock
I_BAT vs. V_BAT
V_CC = 0V
SQW=32kHz
SQW off
2.5 _{VBACKUP (V)} 3.0
3.5
325.0
I_BAT vs. Temperature
V_CC=0V, V_BAT=3.0
SQW=32kHz
275.0
225.0
175.0
-40 -20
0
20
40
60
TEMPERATURE (°C)
SQW off
80
32768.5
SQW/OUT vs. Supply Voltage
32768.4
32768.3
32768.2
32768.1
32768
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply (V)
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