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TOP > Products > Serial 4-Wire > RX-4803 SA / LC
REAL TIME CLOCK MODULE  
Serial 4-Wire Serial 3-Wire I2C Bus Parallel 4-bit
RoHS Compliant
Product summary
• Built in frequency adjusted 32.768 kHz crystal unit and DTCXO.
• Interface Type : 4-wire serial interface
• Interface voltage range : 1.6 V to 5.5 V
• Temp.compensated voltage range: 2.2 V to 5.5 V
• Wide Timekeeper voltage range : 1.6 V to 5.5 V
• 32.768 kHz frequency output function : C-MOS output With Control Pin
• The various functions include full calendar, alarm, timer.
Package size : SA : 10.1 x 7.4 x 3.2t (mm Typ.)
  LC : 3.6 x 2.4 x 1.2t (mm Max.)
Specifications
Frequency tolerance UB grade: ±5.0 ±3.4 x 10-6 / -40 °C to +85 °C *1
AA grade: (+5.0 x 5.0) x 10-6/ +25°C
Operating temperature -40 °C to +85 °C
Temp. compensated voltage 2.2 V to 5.5 V
Clock voltage 1.6 V to 5.5 V
*1:Equivalent to 13 seconds of month deviation.
Data sheets
RX-4803SA/LC
Application Manual
RX-4803SA/LC Application Manual
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