s-35192a Seiko Instruments Inc., s-35192a Datasheet - Page 36

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

36
3-WIRE REAL-TIME CLOCK
S-35192A
(7) Oscillation frequency vs. Temperature
(9) Output current characteristics 1 (V
(11) CS pin input current characteristics
characteristics
[ppm]
[mA]
[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
1
1
32KO pin, Ta = 25 ° C
V
0
DD
2
CS pin, Ta = 25°C
= 5.0 V
V
V
V
Ta [°C]
OUT
DD
IN
V
2
3
[V]
25
DD
= 3.0 V
[V]
V
V
= 5.0 V
DD
DD
V
DD
4
= 3.0 V
= 3.0 V
OUT
50
= 5.0 V
C
3
g
vs. I
= 7.5 pF
5
Seiko Instruments Inc.
75 85
OL1
)
4
6
(8) Oscillation start time vs. C
(10) Output current characteristics 2 (V
(12) BLD detection, release voltage, V
temperature characteristics
[mA]
BLD
[ms]
I
t
OL2
STA
[V]
500
450
400
350
300
250
200
150
100
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
50
40
30
20
10
0
0
0
−40
0
0
−25
V
DD
0.5
2
= 5.0 V
0
SIO pin, Ta = 25 ° C
V
4
1
V
DD
C
Ta [°C]
g
OUT
g
= 5.0 V
characteristics
[pF]
V
25
Detection voltage
DD
[V]
Release voltage
Ta = 25°C
1.5
C
6
= 3.0 V
V
L
DDT
DD
= 6 pF
OUT
V
50
= 3.0 V
DDT
(Min) vs.
8
vs. I
2
(Min)
Rev.1.2
75 85
OL2
10
2.5
)
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