DS1307 Maxim, DS1307 Datasheet - Page 5

• Manufacturer Part Number: DS1307
• Description: The DS1307 serial real-time clock (RTC) is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM
• Manufacturer: Maxim

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