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-4701JE:B ROHS

IC REAL TIME CLOCK/CALENDAR

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Epson RTC-4543SA:B3 ROHS

IC RTC CALENDAR 3-WIRE SER 14SOP

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Epson RTC-4543SA:B0 ROHS

IC RTC CALENDAR 3-WIRE SER 14SOP

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Epson RTC-4543SA:B ROHS

IC RTC CALENDAR 3-WIRE SER 14SOP

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Epson RTC-4543SA:A ROHS

IC RTC CALENDAR 3-WIRE SER 14SOP

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Diodes Incorporated PT7C4563ZEE

IC RTC CLOCK

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Diodes Incorporated PT7C4372AZEE

IC RTC CLOCK 8TDFN

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Diodes Incorporated PT7C4302ZEE

IC RTC CLOCK 8TDFN

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