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DS12C887A+ Datasheet(PDF) 2 Page - Maxim Integrated Products |
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DS12C887A+ Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 22 page Real-Time Clock 2 _____________________________________________________________________ ABSOLUTE MAXIMUM RATINGS Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Voltage Range on VCC Pin Relative to Ground .....-0.3V to +6.0V Operating Temperature Range ................................................... Commercial (noncondensing) .............................0°C to +70°C Operating Temperature Range ................................................... Industrial (noncondensing)...............................-40°C to +85°C Storage Temperature Range .............................-55°C to +125°C Soldering Temperature .......................................See IPC/JEDEC J-STD-020 Specification (Note 1) Soldering Temperature (leads, 10s) ................................+260°C DC ELECTRICAL CHARACTERISTICS (VCC = +4.5V to +5.5V, TA = over the operating range, unless otherwise noted.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage VCC (Note 3) 4.5 5.5 V VBAT Input Voltage VBAT (Note 3) 2.5 4.0 V Input Logic 1 VIH (Note 3) 2.2 VCC + 0.3 V Input Logic 0 VIL (Note 3) -0.3 +0.8 V VCC Power-Supply Current ICC1 (Note 4) 15 mA VCC Standby Current ICCS (Note 5) mA Input Leakage IIL -1.0 +1.0 µA I/O Leakage IOL (Note 6) -1.0 +1.0 µA Input Current IMOT (Note 7) -1.0 +500 µA Output at 2.4V IOH (Note 3) -1.0 mA Output at 0.4V IOL (Note 3) 4.0 mA Power-Fail Voltage VPF (Note 3) 4.0 4.25 4.5 V VRT Trip Point VRTTRIP 1.3 V |
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