s-35190a Seiko Instruments Inc., s-35190a Datasheet - Page 41

• Manufacturer Part Number: s-35190a
• Description: 3-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

Rev.2.4
(7) Oscillation frequency vs. V
(9) Oscillation start time vs. C
(11) Output current characteristics 2 (V
[ppm]
[mA]
[ms]
t
I
∆f/f
STA
OL2
_00
−10
−20
−30
−40
−50
500
450
400
350
300
250
200
150
100
50
40
30
20
10
50
50
40
30
20
10
0
0
0
0
0
0
V
DD
1
0.5
2
= 5.0 V
Ta = 25 ° C, C
SIO pin, Ta = 25 ° C
2
V
4
1
V
DD
C
V
OUT
DD
g
g
DD
= 5.0 V
3
[pF]
V
characteristics
[V]
DD
[V]
characteristics
1.5
Ta = 25 ° C
6
g
= 3.0 V
V
= 7.5 pF
4
DD
OUT
= 3.0 V
8
2
5
vs. I
Seiko Instruments Inc.
OL2
10
2.5
6
)
(8) Oscillation frequency vs. Temperature
(10) Output current characteristics 1 (V
(12) CS pin input current characteristics
[ppm]
[mA]
characteristics
[µA]
I
∆f/f
OL1
I
IH
−100
−120
−140
800
700
600
500
400
300
200
100
−20
−40
−60
−80
50
40
30
20
10
20
0
0
0
−40
0
0
−25
3-WIRE REAL-TIME CLOCK
1
1
V
INT pin, Ta = 25 ° C
CS pin, Ta = 25 ° C
0
DD
2
V
V
= 5.0 V
Ta [°C]
V
OUT
DD
V
IN
2
3
25
DD
= 3.0 V
[V]
V
[V]
V
= 5.0 V
C
DD
DD
V
g
DD
4
= 3.0 V
= 7.5 pF
= 3.0 V
50
= 5.0 V
OUT
3
5
vs. I
S-35190A
75 85
OL1
4
6
)
41