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Built in frequency adjusted
32.768 kHz crystal unit.
Serial interface which can be controlled by 4 or 3 signal lines.
Alarm interrupt function for day of week, day, hour, and minute.(/AIRQ)
Wide backup voltage renge : 1.6 V to 5.5 V
Alarm and Timer IRQ function are Available.
32.768 KHz clock frequecy output.
Include 128 bit (8 bit x 16) RAM
Automatic adjustment for leap year.( from 2000 to 2099 )
Low backup current : 0.4
 A
/ 3 V (Typ.)
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Package size : 6.3 x 5.3 x 1.4t (mm Max.) |
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| Frequency tolerance |
5
 23
x 10-6 *1 |
| Operating temperature |
-40  to +85 |
| Power voltage |
1.6 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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| RX-4581NB |
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| RX-4581NB |
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