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DS1678ST Datasheet(PDF) 2 Page - Maxim Integrated Products |
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DS1678ST Datasheet(HTML) 2 Page - Maxim Integrated Products |
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2 / 25 page ![]() DS1678 Real-Time Event Recorder ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +6.0V Operating Temperature Range (noncondensing)…………………………………………...-40°C to +85°C Storage Temperature Range…………………………………………………………….…-55°C to +125°C Soldering Temperature………………………………………….See IPC/JEDEC J-STD-020 Specification This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect device reliability. RECOMMENDED DC OPERATING CONDITIONS (VCC = VCC(MIN) to VCC(MAX), TA = -40°C to +85°C, unless otherwise noted. Typical values are at nominal supply voltage and TA = +25°C, unless otherwise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Power-Supply Voltage VCC (Note 2) 4.5 5.0 5.5 V Input Logic 1 VIH (Note 2) 2.2 VCC + 0.3 V Input Logic 0 VIL (Note 2) -0.3 +0.8 V Pullup Resistor Value VPU VCC = 0V (Note 2) 5.5 V Battery Voltage VBAT (Note 2) 2.6 3.5 V DC ELECTRICAL CHARACTERISTICS (VCC = VCC(MIN) to VCC(MAX), TA = -40°C to +85°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SDA, SCL SDA output off -1 +1 Input Leakage INT ILI INT output off 10 µA Logic 0 Output IOL = 4mA (SDA, INT) VOL 0.4 V Active Supply Current ICCA 1 2 mA Power-Fail Voltage (Note 2) VPF VBAT = 3.0V 1.216 x VBAT 1.25 x VBAT 1.284 x VBAT V LOBAT Trip Point LOBATTRP 1.35 DC ELECTRICAL CHARACTERISTICS (VCC = 0V, TA = -40°C to +85°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VBAT Current (Oscillator On) IOSC 300 500 nA VBAT Current (Oscillator Off) IBAT 50 150 nA 2 of 25 |
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