s-35192a Seiko Instruments Inc., s-35192a Datasheet - Page 35

• Manufacturer Part Number: s-35192a
• Description: 3-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

Rev.1.2
(1) Standby current vs. V
(3) Standby current vs. Temperature characteristics
(5) Oscillation frequency vs. C
Characteristics (Typical Data)
[ppm]
[µA]
I
[µA]
I
DD1
∆f/f
DD1
_00
−100
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
1.0
0.8
0.6
0.4
0.2
80
60
40
20
0
−40
0
0
0
0
−25
1
2
V
DD
DD
0
Ta = 25°C, C
Ta = 25°C, C
2
= 3.0 V
characteristics
Ta [°C]
4
V
C
V
DD
g
g
DD
25
characteristics
[pF]
3
V
[V]
= 5.0 V
DD
V
C
DD
6
= 5.0 V
L
4
= 3.0 V
= 6 pF
L
L
50
= 6 pF
= 6 pF
8
5
Seiko Instruments Inc.
75 85
10
6
(2) Current consumption vs. Input clock characteristics
(4) Standby current vs. C
(6) Oscillation frequency vs. V
[ppm]
[µA]
I
[µA]
I
DD2
∆f/f
DD1
−10
−20
−30
−40
−50
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
30
25
20
15
10
50
40
30
20
10
5
0
0
0
0
0
0
3-WIRE REAL-TIME CLOCK
200
1
2
SCK frequency [kHz]
Ta = 25 ° C, C
g
Ta = 25°C, C
Ta = 25°C, C
V
2
characteristics
400
DD
4
C
V
= 5.0 V
g
DD
DD
V
[pF]
3
DD
characteristics
[V]
600
V
V
6
DD
= 3.0 V
DD
g
L
L
4
= 3.0 V
= 5.0 V
= 7.5 pF
= 6 pF
= 6 pF
800
8
5
S-35192A
1000
10
6
35