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Real-Time Clock (RTC) ICs

ST offers the widest portfolio of real-time clock (RTC) ICs including ultra-low-power devices, the world’s smallest package with embedded crystal, and ST’s SNAPHAT® with battery and crystal integrated.   It supports SPI and I2C buses. Supervisory functions include alarm, battery switchover, reset, and special features with time stamp, anti-tamper for secure applications, audio, and trickle charge.


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M41T62: Real-time clock (RTC) IC with embedded crystal
Available in the world's smallest package

M41T66: Real-time clock (RTC) IC with 32 kHz crystal oscillator
Integrating load capacitance and high crystal series resistance operation

M41T00CAP: low-power real-time clock (RTC) IC
Integrated backup battery and crystal in 24-pin CAPHAT™ package

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