DS1337 Maxim, DS1337 Datasheet - Page 4

• Manufacturer Part Number: DS1337
• Description: The DS1337 serial real-time clock is a low-power clock/calendar with two programmable time-of-day alarms and a programmable square-wave output
• Manufacturer: Maxim

TYPICAL OPERATING CHARACTERISTICS
(V
Note 16:
CC
= 3.3V, T
The parameter t
voltage range of V
A
= +25°C, unless otherwise noted.)
700
650
600
550
500
450
400
350
1000
900
800
700
600
500
400
300
-40.0
1.3
I
CCTOSC
-20.0
1.8
(Squarew ave on)
I
CCS
2.3
INTCN = 0
OSF
0.0
(Squarew ave on)
vs. Temperature
CC(MIN)
I
2.8
CC
is the period of time that the oscillator must be stopped for the OSF bit to be set over the
INTCN = 0
(Squarew ave off)
vs. V
V
20.0
INTCN = 1
CC
V
3.3
CC
(Squarew ave off)
(V)
CC
≤ V
(V)
INTCN = 1
3.8
40.0
I
CC
CCS
4.3
≤ V
60.0
V
CC(MAX).
4.8
CC
= 3.0V
80.0
5.3
.
4 of 16
32768.35
32768.25
32768.15
32768.05
32768.3
32768.2
32768.1
125
100
75
50
25
32768
0
1.8
1.3
OSCILLATOR FREQUENCY vs. V
2.3
1.8
2.8
2.3
I
CCA
2.8
3.3
V
vs. V
DS1337 I
V
CC
CC
3.3
(V)
(V)
3.8
CC
3.8
4.3
4.3
2
CC
C Serial Real-Time Clock
4.8
4.8
5.3