Real Time Clocks

Real Time Clocks (RTCs) provide time and/or date information in almost any electronic device which needs to keep accurate time. The clock types are binary counter, clock/calendar/supervisor, elapsed time counter, phantom time chip, portable system controller, temperature recorder, time event recorder, and timer clock peripheral.  They contain memory sizes ranging from 2 B to 2 MB and have interface options of I2C, Parallel, Serial, SPI, 1-Wire, 2-Wire, 3-Wire, and 4-Wire.

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Epson RTC-62423A:3:ROHS

IC RTC CLK/CALENDAR PAR 24-SOP

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Epson RTC-4543SA:A0 ROHS

IC RTC CLK/CALENDAR SER 14-SOIC

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Maxim Integrated MAX6909EO33+T

IC RTC I2C COMPAT 20-QSOP

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Maxim Integrated MAX6909EO30+T

IC RTC I2C COMPAT 20-QSOP

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Maxim Integrated MAX6917EO50+T

IC RTC I2C COMPAT 20-QSOP

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Maxim Integrated MAX6917EO30+T

IC RTC I2C COMPAT 20-QSOP

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Maxim Integrated MAX6916EO50+T

IC RTC SPI COMPAT 20-QSOP

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Maxim Integrated MAX6916EO33+T

IC RTC SPI COMPAT 20-QSOP

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