S-35390A Seiko Instruments, S-35390A Datasheet - Page 37

• Manufacturer Part Number: S-35390A
• Description: 2-Wire Real Time Clock
• Manufacturer: Seiko Instruments

(1) Standby current vs. V
(3) Current consumption during operation vs.
(5) Standby current vs. C
Rev.1.2
Characteristics (Reference Values)
Input clock characteristics
[µA]
[µA]
[µA]
I
I
I
DD2
DD1
DD1
_00
1.0
0.8
0.6
0.4
0.2
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
50
45
40
35
30
25
20
15
10
5
0
0
0
0
0
0
100
1
V
2
SCL frequency [kHz]
DD
V
= 5.0 V
V
2
DD
200
DD
g
Ta = 25°C, C
DD
Ta = 25°C, C
4
Ta = 25°C, C
V
characteristics
C
= 3.0 V
characteristics
= 3.0 V
V
DD
g
DD
3
[pF]
[V]
300
= 5.0 V
6
4
400
L
L
L
8
= 6 pF
= 6 pF
= 6 pF
5
Seiko Instruments Inc.
500
10
6
(2) Current consumption during 32 kHz output vs.
(4) Standby current vs. Temperature characteristics
(6) Oscillation frequency vs. C
V
[ppm]
DD
[µA]
[µA]
I
I
DD1
DD3
∆f/f
characteristics
−100
1.0
0.8
0.6
0.4
0.2
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
100
−20
−40
−60
−80
80
60
40
20
0
0
−40
0
0
0
−25
2-WIRE REAL-TIME CLOCK
1
2
V
DD
0
2
= 3.0 V
Ta = 25°C, C
V
Ta [°C]
4
Ta = 25°C, C
C
DD
g
3
25
V
[pF]
V
g
[V]
DD
DD
characteristics
6
= 5.0 V
V
= 5.0 V
4
DD
50
C
L
= 3.0 V
L
= 6 pF
L
8
= 6 pF
5
S-35390A
= 6pF
75 85
6
10
37