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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NXP USA Inc. PCF8593T/1,112

IC RTC CLK/CALENDAR I2C 8-SOIC

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NXP USA Inc. PCA8565BS/1,118

IC RTC CLK/CALENDAR I2C 10-HVSON

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NXP USA Inc. PCF8563T/F4,112

IC RTC CLK/CALENDAR I2C 8-SOIC

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IDT, Integrated Device Technology Inc 1339B-31DVGI8

TIMING REAL TIME CLOCK

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IDT, Integrated Device Technology Inc 1339B-31DVGI

TIMING REAL TIME CLOCK

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IDT, Integrated Device Technology Inc 1339A-31DVGI8

TIMING REAL TIME CLOCK

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IDT, Integrated Device Technology Inc 1338A-31DVGI8

TIMING REAL TIME CLOCK

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IDT, Integrated Device Technology Inc 1339A-31DVGI

TIMING REAL TIME CLOCK

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