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DS12885Q+T Datasheet(PDF) 7 Page - Maxim Integrated Products |
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DS12885Q+T Datasheet(HTML) 7 Page - Maxim Integrated Products |
7 / 22 page Real-Time Clock _____________________________________________________________________ 7 Typical Operating Characteristics (VCC = +5.0V, TA = +25°C, unless otherwise noted.) OSCILLATOR FREQUENCY vs. VCC VCC (V) 5.3 5.0 4.8 32768.10 32768.20 32768.30 32768.40 32768.50 32768.60 32768.70 32768.00 4.5 5.5 IBAT1 vs. VBAT vs. TEMPERATURE VBAT (V) 3.8 2.8 3.0 3.3 3.5 200 300 250 150 2.5 4.0 VCC = 0V +85 °C +25 °C 0 °C -40 °C +70 °C +40 °C POWER CONTROL GND OSC BUS INTERFACE VCC X1 X2 RESET CS DS AS R/W MOT AD0–AD7 DIVIDE BY 8 DIVIDE BY 64 DIVIDE BY 64 16:1 MUX SQUARE- WAVE GENERATOR REGISTERS A, B, C, D CLOCK/CALENDAR AND ALARM REGISTERS USER RAM 114 BYTES CLOCK/CALENDAR UPDATE LOGIC IRQ SQW IRQ GENERATOR BUFFERED CLOCK/ CALENDAR AND ALARM REGISTERS VBAT RLCR DS12885 Functional Diagram |
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