Datasheet

DS1307 64 x 8, Serial, I
2
C Real-Time Clock
TYPICAL OPERATING CHARACTERISTICS
(V
CC
= 5.0V, T
A
= +25°C, unless otherwise noted.)
I
CCS
vs. V
CC
0
10
20
30
40
50
60
70
80
90
100
110
120
1.0 2.0 3.0
4.0
5.0
V
CC
(V)
SUPPLY CURRENT (uA
V
BAT
=3.0V
I
BAT
vs. Temperature
175.0
225.0
275.0
325.0
-40 -20
0 20 40 60 80
TEMPERATURE (°C)
SUPPLY CURRENT (nA
V
CC
=0V, V
BAT
=3.0
SQW=32kHz
SQW off
I
BAT
vs. V
BAT
100
150
200
250
300
350
400
2.0
2.5 3.0 3.5
V
BACKUP
(V)
SUPPLY CURRENT (nA
SQW=32kHz
SQW off
V
CC
= 0V
SQW/OUT vs. Supply Voltage
32768
32768.1
32768.2
32768.3
32768.4
32768.5
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply (V)
FREQUENCY (Hz)
5 of 14