DS1340_06 Datasheet, PDF (5/14 Pages) Maxim Integrated Products – I2C RTC with Trickle Charger

I²C RTC with Trickle Charger
VCC
V_PF(MAX)
V_PF(MIN)
RST
VPF
tF
VPF
tR
tRPU
tRST
INPUTS
RECOGNIZED
DON'T CARE
RECOGNIZED
OUTPUTS
VALID
HIGH-Z
VALID
Figure 2. Power-Up/Power-Down Timing
(V_CC = +3.3V, T_A = +25°C, unless otherwise noted.)
Typical Operating Characteristics
I_CCSA vs. V_CC FT = 0
250
I_CCS vs. V_CC FT = 0
150
I_BACKUP1 (FT = 0) vs. V_BACKUP
850
800
200
125
-3.3V
750
100
700
150
-3.0V
650
75
-1.8V
600
100
50
550
50
500
25
450
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_CC (V)
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_CC (V)
400
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_BACKUP (V)
I_BACKUP2 (FT = 1) vs. V_BACKUP
850
800
750
700
650
600
550
500
450
400
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_BACKUP (V)
I_BACKUP3 vs. TEMPERATURE
850
V_BACKUP = 3.0V
800
750
700
650
600
550
500
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
512.0000
FT vs. V_BACKUP
511.9995
511.9990
511.9985
511.9980
511.9975
511.9970
511.9965
511.9960
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_BACKUP (V)
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