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RV-8523-C3

RV-8523-C3
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Real Time Clock Module with I2C Bus DIMENSIONS Package: 100% leadfree, RoHS - compliant Ultra low power consumption 130nA Xtal integrated solution. Frequency-Offset Trimming Register Backup supply switchover circuitry Miniature SMT ceramic package Very tight frequency tolerance I2C Bus Interface (fast mode 1 MHz) Programmable Clock-output Low aging Time keeping mode down to 1.2 V Programmable alarm, timer and interrupt functions DESCRIPTION: This RTC IC has been specially designed to achieve an ultra-low power consumption of typically 130nA @ VDD 3.0V in time-keeping mode. The very small SMT ceramic-package combines the 32.768 kHz crystal unit with the CMOS-based oscillator and real-time-clock circuitry. The calendar function tracks year, month, date, and day-of-the-week with built-in century and leap-year ﬂags. The clock function tracks minute and second in 24-hour format. Programmable alarm setting, dual timer functions and integrated switch-over circuitry to backup supply voltage increase ﬂexibility. For pick-and-place equipment, the parts are available in 12 mm tape: 7” (178 mm) reel with 1'000 or 3'000 parts 13” (330 mm) reel with 10'000 parts BLOCK DIAGRAM: 32.768 kHz Xtal FREQUENCY DIVIDER and OFFSET COMPENSATION CLKOUT & Interrupt CONTROL Serial Interface SYSTEM CONTROL LOGIC Control 0 Control 1 Control 2 Seconds Minutes Hours Days Weekdays Months Years Minute Alarm Hour Alarm Day Alarm Weekday Alarm Frequency Offset Timer & CLKOUT Timer A Clock Timer A Timer B Clock Timer B

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Supply voltage Supply voltage Power Managm. Supply voltage Time keeping Current consumption during access Current consumption Time keeping mode CLKOUT frequency Frequency tolerance Aging ﬁrst year max. 1) Tighter and wider frequency tolerances on request. ENVIRONMENTAL CHARACTERISTICS: Conditions Storage temp. range TA Operating temperature range Shock resistance Vibration resistance TERMINATIONS AND PROCESSING: For SMD mounting Au plated pads POWER SUPPLY VOLTAGE: Product Marking Power Supply Voltage Serial Data Clock Frequency Output Backup Supply Voltage Serial Clock Input All...

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