s-35392a Seiko Instruments Inc., s-35392a Datasheet - Page 41

• Manufacturer Part Number: s-35392a
• Description: 2-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

Rev.1.3
(1) Standby current vs. V
(3) Standby current vs. Temperature characteristics
(5) Oscillation frequency vs. C
Characteristics (Typical Data)
[ppm]
[µA]
[µA]
I
I
DD1
DD1
∆f/f
_00
−100
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
100
−20
−40
−60
−80
0
−40
0
80
60
40
20
0
0
0
−25
1
2
V
DD
Ta = 25°C, C
0
Ta = 25°C, C
DD
2
characteristics
= 3.0 V
V
Ta [°C]
V
4
DD
C
g
DD
g
characteristics
3
25
[V]
[pF]
V
= 5.0 V
V
DD
C
DD
L
6
L
= 5.0 V
4
= 6 pF
L
= 3.0 V
= 6 pF
50
= 6 pF
5
8
Seiko Instruments Inc.
75 85
6
10
(2) Current consumption vs. Input clock characteristics
(4) Standby current vs. C
(6) Oscillation frequency vs. V
[ppm]
[µA]
I
[µA]
I
DD2
DD1
∆f/f
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
−10
−20
−30
−40
−50
50
45
40
35
30
25
20
15
10
50
40
30
20
10
5
0
0
0
0
0
0
2-WIRE REAL-TIME CLOCK
100
V
1
2
DD
SCL frequency [kHz]
Ta = 25°C, C
g
Ta = 25°C, C
= 5.0 V
Ta = 25°C, C
V
characteristics
200
2
DD
4
C
V
= 3.0 V
DD
g
DD
[pF]
characteristics
3
[V]
300
V
V
6
L
DD
DD
L
L
= 7.5 pF
= 6 pF
= 6 pF
= 3.0 V
= 5.0 V
4
400
S-35392A
8
5
500
10
6
41