6. Absolute Maximum Ratings
RX8130CE
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ETM50E-07
Seiko Epson Corporation
10
6. Absolute Maximum Ratings
Table 2 Absolute Maximum Rating
Item
Symbol
Condition
Rating
Unit
Supply voltage
V
DD
0.3
+6.5
V
Internal voltage
V
OUT
0.3
+6.5
V
Backup supply voltage
V
BAT
0.3
+6.5
V
Interface
supply voltage
V
IO
0.3
+6.5
V
Input voltage 1
V
IN1
SCL, SDA
0.3
+6.5
V
Output voltage 1
V
OUT1
/RST, /IRQ, SDA
0.3
+6.5
V
Output voltage 2
V
OUT2
FOUT
-0.3
V
IO
+0.3
V
When stored separately,
without packaging
55 ~ +125
C
7. Recommended Operating Conditions
Table 3 Recommended Operation Condition
Unless otherwise specified, GND
=
0
V
,
Ta
=
40
C
to
+85
C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Operating supply voltage
V
DD
Normal operation mode (V
DD
)
1.25
3.0
5.5
V
Interface supply voltage
V
IO
INIEN = 0
1.6
3.0
5.5
V
INIEN = 1
-V
DET
1
3.0
5.5
V
Clock supply voltage
V
CLK
Backup operation mode (V
OUT
)
1.1
3.0
5.5
V
Operating temperature
T
use
No condensation
40
+25
+85
C
Minimum clock supply voltage of V
CLK
is available after initializing in V
DD
>V
DET
11.
8. Frequency Characteristics
Table 4 Frequency Characteristics
Unless otherwise specified, GND
=
0
V
,
Ta
=
40
C
to
+85
C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Output frequency
fo
32.768
(
Typ.
)
kHz
Frequency stability
f
/
f
Ta
=
+25
C
V
DD
=
3.0
V
5
23
(
1)
10
6
Frequency/voltage
characteristics
f
/
V
Ta
=
+25
C
V
DD
=
1.1
V
5.5
V
2
+2
10
6
/
V
Frequency/temperature
characteristics
Top
Ta
=
20
C
+70
C
V
DD
=
3.0
V
;
+25
C reference
120
+10
10
6
Oscillation start time
t_s
ta
V
DD
=
2.75
V
5.5
V
Internal Crystal oscillation start
0.19
1.0
s
Aging
fa
Ta
=
+25
C
,
V
BAT
=
3.0
V
;
first year
5
+5
10
6
/
year
1 )
The monthly error is equal to
60 s Max. ( excluding offset )
