Typical operating characteristics, Ds1337 i, C serial real-time clock – Rainbow Electronics DS1337 User Manual
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OSCILLATOR FREQUENCY vs. V
CC
DS1337 toc05
V
CC
(V)
FREQUENCY (Hz)
4.3
3.8
3.3
2.8
2.3
1.8
32767.50
32767.55
32767.60
32767.65
32767.70
32767.75
32767.45
1.3
4.8
V
CC
= 0V
I
CCA
vs. V
CC
(SQUARE-WAVE ON)
DS1337 toc04
V
CC
(V)
SUPPLY CURRENT (
µ
A)
4.8
4.3
3.3
3.8
2.8
2.3
20
40
60
0
1.8
5.3
I
OSC
VS. TEMPERATURE
(SQUARE-WAVE OFF)
DS1337 toc03
TEMPERATURE (
°C)
SUPPLY CURRENT (nA)
80
60
40
20
0
-20
375
425
450
475
350
-40
V
CC
= 3.0V
DS1337 toc02
400
450
500
550
600
650
700
750
800
850
350
I
OSC
VS. V
CC
(SQUARE-WAVE ON)
V
CC
(V)
SUPPLY CURRENT (nA)
4.8
4.3
3.8
3.3
2.3
2.8
1.8
1.3
I
OSC
VS. V
CC
(SQUARE-WAVE OFF)
DS1337 toc01
V
CC
(V)
SUPPLY CURRENT (nA)
4.8
4.3
3.8
3.3
2.3
2.8
1.8
350
400
450
500
300
1.3
DS1337 I
2
C Serial Real-Time Clock
TYPICAL OPERATING CHARACTERISTICS
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