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RX − 8564 LC
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ETM12E-01
5. Absolute Maximum Ratings
GND = 0 V
Parameter Symbol Condition Rating Unit
Supply Voltage V
DD
Between V
DD
and GND
−0.5
to +6.5 V
Supply Voltage I
DD
V
DD
pin
−50
to 50 mA
Input Voltage V
I
Input pin
GND−0.5
to V
DD
+0.5 V
Output Voltage V
O
/INT pin
GND−0.5
to
V
DD
+0.5 V
DC Input Current I
I
−10
to
10 mA
DC Output Current I
O
−10
to
10 mA
Storage
Temperature Range
T
STG
Stored bare product after
unpacking
−55
to
+125
°C
6. Recommended operating conditions
GND = 0 V
Item Symbol Condition Rating Unit
Operating supply voltage V
DD
I
2
C-BUS access
at 400 kHz
1.8 to 5.5 V
Clock supply voltage V
DD
V
LOW
(∗1)
to 5.5 V
Operating temperature T
OPR
No condensation
−40
to +85
°C
∗1)
See " 8.1. DC Electrical Characteristics ".
7. Frequency Characteristics
* Unless otherwise specified, GND = 0 V
, Ta = +25 °C , V
DD
= 3.0 V
Item Symbol Comments Min. Typ. Max. Unit
Output frequency fo 32.768
( Typ. )
kHz
Frequency precision
∆ f / f
Ta = +25 °C
V
DD
= 3.0 V
5 ± 23
(∗1) (∗2)
× 10
−6
Frequency
voltage
characteristics
f / V
Ta = +25 °C
V
DD
= 1.8 V to 5.5 V
± 2
( Max. )
× 10
−6
/ V
Frequency
temperature
characteristics
Top
Ta = −20 °C to +70 °C,
V
DD
= 3.0 V ; Reference at +25 °C
−120
+10
× 10
−6
Ta = +25 °C
V
DD
= 1.8 V
3.0 s
Oscillation
startup-up time
t
STA
Ta = −40 °C to +85 °C,
V
DD
= 3.0 V
3.0 s
Aging fa
Ta = +25 °C , V
DD
= 3.0 V ; first year −5
+5
× 10
−6
/ year
∗1 )
This difference is 1 minute by 1 month. ( excluding offset )
∗2 )
Includes variation in frequency during two rounds of reflow processing.
∗ Reflow processing is performed under conditions specified by Seiko Epson Corporation.
(See the relevant specifications.)