DS1337 Datasheet, PDF (4/13 Pages) Dallas Semiconductor – Serial Real-Time Clock

TYPICAL OPERATING CHARACTERISTICS
(VCC = 3.3V, TA = +25∞ C, unless otherwise noted.)
I_OSC VS. V_CC
(SQUARE-WAVE OFF)
500
450
400
350
300
1.3 1.8 2.3 3.3 3.8 4.3 4.8
V_BAT (V)
I_OSC VS. V_CC
(SQUARE-WAVE ON)
850
800
750
700
650
600
550
500
450
400
350
1.3 1.8 2.3 3.3 3.8 4.3 4.8
V_BAT (V)
DS1337
I_OSC VS. TEMPERATURE
(SQUARE-WAVE OFF)
475
V_CC = 3.0V
450
425
400
375
350
-40 -20 0
20 40 60 80
TEMPERATURE ( C)
I_CCA vs. V_CC
(SQUARE-WAVE ON)
275
250
225
200
175
150
125
100
75
50
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
V_CC (V)
32767.75
32767.70
OSCILLATOR FREQUENCY vs. V_CC
V_CC = 0V
32767.65
32767.60
32767.55
32767.50
32767.45
1.3 1.8 2.3 2.8 3.3 3.8 4.3 4.8
V_BACKUP (V)
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