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RTC4574NB

Epson
Part Number RTC4574NB
Manufacturer Epson
Description Serial Interface Real Time Clock Module
Published Jun 21, 2010
Detailed Description Real time clock module SERIAL-INTERFACE REAL TIME CLOCK MODULE www.DataSheet4U.com RTC - 4574 SA / JE / NB • Built in...
Datasheet PDF File RTC4574NB PDF File

RTC4574NB
RTC4574NB

Overview
Real time clock module SERIAL-INTERFACE REAL TIME CLOCK MODULE www.
DataSheet4U.
com RTC - 4574 SA / JE / NB • Built in frequency adjusted 32.
768 kHz crystal unit.
• Interface Type : Serial interface in 3 lines form.
• Operating voltage range : 1.
6 V to 5.
5 V • Wide Timekeeper voltage range : 1.
6 V to 5.
5 V • Low backup current : 0.
5 µA / 3 V ( Typ.
) • 32.
768 kHz frequency output function : C-MOS output With Control Pin • The various functions include full calendar, alarm, timer.
• Lead(Pb)-free : Contains high melting temperature type solder (Pb85 %) exempted by RoHS directive.
Actual size RTC-4574SA RTC-4574JE RTC-4574NB Block diagram 32.
768 kHz CONTROL LINE CLOCK and CALENDAR Overview • 32.
768 kHz frequency output function • FOUT pin output (C-MOS output ), CL=30 pF • Output frequency selectable from1/30 Hz to 32.
768 kHz (32 Values) OSC DIVIDER FOUT FCON / TIRQ / AIRQ DATA CLK CE 1 CE 0 • Timer function OUTPUT CONTROLLER INTERRUPTS CONTROLLER BUS INTERFACE CIRCUIT SHIFT REG...


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