Real time clock module SERIAL-INTERFACE REAL TIME CLOCK MODULE RTC-4513 • • • • • Builtin crystal unit allows adjustment-free efficient operation.
Using a serial interface, controllable only three signal lines.
Automatic leap year correction.
30 second adjustment, available.
Wide operating voltage from 2.
7V to 5.
5V.
Actual size Specifications (characteristics) Absolute Max.
rating Item Symbol VDD VIN VOUT TSTG -55 Condition VDD-GND -0.
3 VDD+0.
3 +125 ˚C Min.
Max.
7.
0 V Unit Terminal connection Power source voltage Input voltage Output voltage Storage temperature 14 13 12 11 10 9 8 Operating range Item Operating voltage Date holding voltage Symbol VDD VCLK TOPR Condition Min.
2.
7 2.
0 -4...

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