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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Select products	Mfr	Description	Package	Supplier Device Package	Mounting Type	Series	Operating Temperature
BQ4852YMC-85 $42.17	Benchmarq	IC RTC CLK/CALENDAR PAR 36DIP	Tube	36-DIP Module (18.42x52.96)	Through Hole	-	0°C ~ 70°C
BU9873F-GTE2 $1.59	Rohm Semiconductor	IC RTC CLOCK/CALENDAR I2C 8SOP	Tape & Reel (TR),Cut Tape (CT)	8-SOP	Surface Mount	-	-40°C ~ 85°C
BU9873FJ-GTE2 $1.59	Rohm Semiconductor	IC RTC CLOCK/CALENDAR I2C 8SOP	Tape & Reel (TR),Cut Tape (CT)	8-SOP-J	Surface Mount	-	-40°C ~ 85°C
BU9873FVM-GTTR $0.87	Rohm Semiconductor	IC RTC CLK/CALENDAR I2C 8MSOP	Tape & Reel (TR),Cut Tape (CT)	8-MSOP	Surface Mount	-	-40°C ~ 85°C
BU9873FVT-GE2 $1.59	Rohm Semiconductor	IC RTC CLK/CALENDAR I2C 8TSSOP	Tape & Reel (TR),Cut Tape (CT)	8-TSSOP-B	Surface Mount	-	-40°C ~ 85°C
BU9873NUX-TTR $1.59	Rohm Semiconductor	IC RTC CLK/CALENDAR I2C 8VSON	Tape & Reel (TR),Cut Tape (CT)	VSON008X2030	Surface Mount	-	-40°C ~ 85°C
CBC92132C-Q3-TR3 $2.11	Cymbet Corporation	IC RTC CLK/CALENDAR I2C 16MLPQ	Tape & Reel (TR),Cut Tape (CT)	16-MLPQ (3x3)	Surface Mount	-	-40°C ~ 85°C
CBC92141C-Q3-TR3 $2.11	Cymbet Corporation	IC RTC CLK/CALENDAR I2C 16MLPQ	Tape & Reel (TR),Cut Tape (CT)	16-MLPQ (3x3)	Surface Mount	-	-40°C ~ 85°C