s-35399a02 Seiko Instruments Inc., s-35399a02 Datasheet - Page 49

• Manufacturer Part Number: s-35399a02
• Description: 2-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

Rev.1.0
(1) Current consumption 1 (current consumption out of
(3) Current consumption 3 (current consumption during
(5) Current consumption 1 (current consumption out of
Characteristics (Typical Data)
communication) vs. V
communication) vs. Input clock characteristics
communication) vs. C
I
[µA]
I
I
DD3
[µA]
[µA]
DD1
DD1
_00
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.0
0.8
0.6
0.4
0.2
90
80
70
60
50
40
30
20
10
0
0
0
0
0
0
Ta = 25 ° C, C
Ta = 25 ° C, C
100
1
2
V
V
DD
g
DD
DD
characteristics
2
characteristics
200
= 3.0 V
SCL [kHz]
= 5.0 V
4
C
V
Ta = 25 ° C, C
L
g
L
DD
= 6 pF, C
= 6 pF, C
[pF]
3
V
[V]
DD
300
V
6
DD
= 3.0 V
4
= 5.0 V
g
400
g
= 5.1 pF
8
= 5.1 pF
L
5
= 6 pF
Seiko Instruments Inc.
500
10
6
(2) Current consumption 2 (current consumption when
(4) Current consumption 1 (current consumption out
(6) Oscillation frequency vs. C
32.768 kHz is output) vs. V
of communication) vs. Temperature characteristics
[ppm]
I
I
[µA]
[µA]
DD1
DD2
∆f/f
Ta = 25 ° C, C
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
−20
−40
−60
1.0
0.8
0.6
0.4
0.2
60
40
20
0
−40
0
0
0
0
−25
2-WIRE REAL-TIME CLOCK
Ta = 25 ° C, C
L
1
= 6 pF, C
2
V
DD
0
2
= 3.0 V
C
V
4
Ta [°C]
V
C
g
DD
L
DD
L
DD
g
25
g
= 5.1 pF (reference)
= 6 pF, C
3
= 6 pF, C
characteristics
[pF]
V
characteristics
= 5.0 V
[V]
DD
6
= 5.0 V
V
4
50
DD
S-35399A02
g
g
= 5.1 pF
= 3.0 V
= 5.1 pF
8
5
75
85
10
6
49