Built-in crystal unit
allows adjustment-free efficient operation.
Automatic leap year correction.
Supply voltage detection voltage: 1.7 V 0.3
V
Output selectable between 32.768 kHz / 1 Hz
Package size :
(RTC-4543SA) 10.1 x 7.4 x 3.2t (mm Typ.)
(RTC-4543SB) 11.4 x 7.8 x 2.0t (mm)
Frequency tolerance
523x10-6
*1
Operating temperature
-40 to +85
Power voltage
2.5 V to 5.5 V
Clock voltage
1.4 V to 5.5 V
*1:Equivalent to 60 seconds of monthly deviation
(excluding offset.)
0.3
V
to +85 
