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It is suitable for the car
accessories.
Built-in frequency adjusted 32.768 kHz crystal unit.
Compliant with I 2C high-speed bus specifications. (400
kHz)
Alarm and Timer IRQ function are Available.
32.768 kHz clock frequency output. (Duty 50  5%)
Automatic adjustment for leap year.
Low backup current : 0.45
 A
/ 3 V (Typ.)
Wide operating voltage range : 1.8 V to 5.5 V
Wide timekeeper voltage range : 1.6 V to 5.5 V
Small package (SA:SOP-14pin) Conforms to AEC-Q200.
*I2C-Bus is a trademark of NXP Semiconductors
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Package size : 10.1 x 7.4 x 3.2t (mm Typ.) |
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| Frequency tolerance |
523x10-6
*1 |
| Operating temperature |
-40 to +85 |
| Power voltage |
1.8 Ｖ to 5.5 Ｖ |
| Clock voltage |
1.6 Ｖ to 5.5 Ｖ |
*1:Equivalent to 60 seconds of monthly deviation
(excluding offset.) |
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| RA-8581SA |
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| RA-8581SA |
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