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DS17887 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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DS17887 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 30 page Real-Time Clocks 2 _____________________________________________________________________ ABSOLUTE MAXIMUM RATINGS DC ELECTRICAL CHARACTERISTICS (VCC = +4.5V to +5.5V, or VCC = +2.7V to +3.7V, TA = Over the operating temperature range, unless otherwise noted. Typical values are with TA = +25°C, VCC = 5.0V or 3.0V and VBAT = 3.0V, unless otherwise noted.) (Note 2) 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 (Noncondensing) Commercial.........................................................0°C to +70°C Industrial ..........................................................-40°C to +85°C Storage Temperature.........................................-55°C to +125°C Soldering Temperature .....................See IPC/JEDEC J-STD-020 Specification (Note 1) Soldering Temperature (leads, 10 seconds) ...................+260°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS (-5) 4.5 5.0 5.5 Supply Voltage (Note 3) VCC (-3) 2.7 3.0 3.7 V VBAT Input Voltage VBAT (Note 3) 2.5 3.0 3.7 V (-5) 2.5 3.0 5.2 VBAUX Input Voltage (Note 3) VBAUX (-3) 3.7 V (-5) 2.2 VCC + 0.3 Input Logic 1 (Note 3) VIH (-3) 2.0 VCC + 0.3 V (-5) -0.3 +0.8 Input Logic 0 (Note 3) VIL (-3) -0.3 +0.6 V (-5) 25 50 VCC Power-Supply Current (Note 4) ICC1 (-3) 15 30 mA (-5) 1.0 3.0 VCC Standby Current (Notes 4, 5) ICCS (-3) 0.5 2.0 mA Input Leakage IIL -1.0 +1.0 µA I/O Leakage IOL (Note 6) -1.0 +1.0 µA (-5), -1.0mA 2.4 Output Logic 1 Voltage (Note 3) VOH (-3), -0.4mA 2.4 V (-5), +2.1mA 0.4 Output Logic 0 Voltage AD0–AD7, IRQ, SQW (Note 3) VOL (-3), +0.8mA 0.4 V (-5), +10mA 0.4 Output Logic 0 Voltage PWR (Note 3) VOL (-3), +4mA 0.4 V (-5) 4.25 4.37 4.5 Power-Fail Voltage (Note 3) VPF (-3) 2.5 2.6 2.7 V VRT Trip Point VRTTRIP (Note 3) 1.3 V |
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