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M48Z02 Datasheet(PDF) 13 Page - STMicroelectronics |
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M48Z02 Datasheet(HTML) 13 Page - STMicroelectronics |
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13 / 21 page ![]() M48Z02, M48Z12 Maximum ratings Doc ID 2420 Rev 7 13/21 3 Maximum ratings Stressing the device above the rating listed in the absolute maximum ratings table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Table 5. Absolute maximum ratings Caution: Negative undershoots below –0.3 V are not allowed on any pin while in the battery backup mode. Symbol Parameter Value Unit TA Ambient operating temperature Grade 1 0 to 70 °C TSTG Storage temperature (VCC off, oscillator off) –40 to 85 °C TSLD (1) 1. Soldering temperature of the IC leads is to not exceed 260°C for 10 seconds. In order to protect the lithium battery, preheat temperatures must be limited such that the battery temperature does not exceed +85 °C. Furthermore, the devices shall not be exposed to IR reflow. Lead solder temperature for 10 seconds 260 °C VIO Input or output voltages –0.3 to 7 V VCC Supply voltage –0.3 to 7 V IO Output current 20 mA PD Power dissipation 1 W |
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