DS1337_09 Datasheet, PDF (4/16 Pages) Maxim Integrated Products – I2C Serial Real-Time Clock

DS1337 I²C Serial Real-Time Clock
Note 16:
The parameter t_OSF is the period of time that the oscillator must be stopped for the OSF bit to be set over the
voltage range of V_CC(MIN) ≤ V_CC ≤ V_CC(MAX)..
TYPICAL OPERATING CHARACTERISTICS
(V_CC = 3.3V, T_A = +25°C, unless otherwise noted.)
1000
I_{CCT OSC}
I_CC vs. V_CC I_CCS
900
800
INTCN = 0
(Squarew ave on)
700
600
INTCN = 1
(Squarew ave off)
500
400
300
1.3 1.8 2.3 2.8 _V3C._C3 _(V) 3.8 4.3 4.8 5.3
I_CCS vs. Temperature
V_CC = 3.0V
700
650
INTCN = 0
(Squarew ave on)
600
550
500
INTCN = 1
450
(Squarew ave off)
400
350
-40.0 -20.0 0.0 _V2C0_C.0(V) 40.0 60.0 80.0
I_CCA vs. V_CC
125
100
75
50
25
0
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
VCC (V)
OSCILLATOR FREQUENCY vs. V_CC
32768.35
32768.3
32768.25
32768.2
32768.15
32768.1
32768.05
32768
1.3 1.8 2.3 2.8V_CC 3(V.3) 3.8 4.3 4.8
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