RX8111CE
Page
−
7
ETM61E-01
6. Absolute Maximum Ratings
Table 2 Absolute Maximum Ratings
GND=0V
Item
Symbol
Condition
Rating
Unit
Operating supply Voltage
V
DD
−
−
0.3 to +6.5
V
Operating supply Voltage
V
OUT
−
−
0.3 to +6.5
V
Backup supply voltage
V
BAT
−
−
0.3 to +6.5
V
Interface supply voltage
V
IO
−
−
0.3 to +6.5
V
Input voltage 1
V
IN1
SCL, SDA
−
0.3 to +6.5
V
Input voltage 2
V
IN2
EVIN
-0.3 to V
OUT
+ 0.3
V
Output voltage 1
V
OUT1
/INT, SDA
−
0.3 to +6.5
V
Output voltage 2
V
OUT2
FOUT
-0.3 to V
IO
+ 0.3
V
Storage temperature
T
STG
When stored separately,
without packaging
−
55 to +125
C
7. Recommended Operating Conditions
Table 3 Recommended Operating Conditions
Unless otherwise specified, V
BAT
= V
DD
= V
IO
= 1.6V
5.5 V, Ta = -40
C
+85
C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Operating supply Voltage
V
DD
Supply from V
DD
1.25
3.0
5.5
V
Interface supply voltage
V
IO
V
DD
=1.6 V
5.5 V
1.6
3.0
5.5
V
Clock supply voltage
V
CLK
Supply from V
BAT
V
VLF
3.0
5.5
V
VLF detection voltage
V
VLF
V
OUT
low detection Voltage
-
-
1.1
V
Operating temperature
Ta
No condensation
−
40
+25
+85
C
V
CLK
: Min. is available by initializing in V
DD
V
DET1
.
When first Power ON, for internal initializing, V
DD
must be more than 1.45V: +V
DET1
.
8. Frequency Characteristics
Table 4 Frequency Characteristics
Unless otherwise specified, V
BAT
= V
DD
= V
IO
= 1.6V
5.5 V, Ta = -40
C
+85
C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Oscillation
Frequency
fo
32.768
kHz
Frequency
Tolerance
f
/
f
Ta
=
+25
C
V
DD
=
3.0
V
A :
11.5 *1
B :
23.0 *2
10
−
6
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
f
0
-T
C
Ta
=
−
20
C
+70
C
V
DD
=
3.0
V;
+25
C reference
−
120
+10
10
−
6
Oscillation
Start-up time
t
STA
V
DD
=
1.6
V
5.5
V
1.0
s
Aging
fa
Ta
=
+25
C
,
V
DD
=
3.0
V
;
First year
−
5
+5
10
−
6
/
year
1 Equivalent to
60 seconds per month deviation.
2 Equivalent to
30 seconds per month deviation.
