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I2C-bus interface operating supply voltage: 2.5V to 6V
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Clock operating supply voltage 1.0V to 6.0V at 00C to +700
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240 x 8-bit low-voltage RAM
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Data retention voltage: 1.0 V to 6.0 V
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Operating current (at fSCL= 0 Hz): max 50 µA
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Clock function with four year calendar
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Universal timer with alarm and overflow indication
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24 hour or 12 hour format
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32.768 kHz or 50 Hz time base
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Serial input or output bus (I2C-bus)
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Automatic word address incrementing
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Programmable alarm, timer, and interrupt function
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Slave addresses: A1h or A3h for reading, A0h or A2h for writing
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