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M41ST85WMH 数据表(PDF) 23 Page - STMicroelectronics |
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M41ST85WMH 数据表(HTML) 23 Page - STMicroelectronics |
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23 / 34 page ![]() 23/34 M41ST85Y, M41ST85W MAXIMUM RATING 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 indicat- ed in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rat- ing conditions for extended periods may affect de- vice reliability. Refer also to the STMicroelectronics SURE Program and other rel- evant quality documents. Table 8. Absolute Maximum Ratings Note: 1. For SOH28 package, Lead-free (Pb-free) lead finish: Reflow at peak temperature of 260°C (total thermal budget not to exceed 245°C for greater than 30 seconds). 2. For SOH28 package, standard (SnPb) lead finish: Reflow at peak temperature of 225°C (total thermal budget not to exceed 180°C for between 90 to 150 seconds). 3. The SOX28 package has Lead-free (Pb-free) lead finish, but cannot be exposed to peak reflow temperature in excess of 240°C (use same reflow profile as standard (SnPb) lead finish). CAUTION: Negative undershoots below –0.3V are not allowed on any pin while in the Battery Back-up mode. CAUTION: Do NOT wave solder SOIC to avoid damaging SNAPHAT sockets. Symbol Parameter Value Unit TSTG Storage Temperature (VCC Off, Oscillator Off) SNAPHAT® –40 to 85 °C SOIC –55 to 125 °C TSLD Lead Solder Temperature for 10 seconds Lead-free lead finish(1) 260 °C Standard (SnPb) lead finish(2,3) 240 °C VIO Input or Output Voltage –0.3 to VCC+0.3 V VCC Supply Voltage M41ST85Y –0.3 to 7 V M41ST85W –0.3 to 4.6 V IO Output Current 20 mA PD Power Dissipation 1 W |
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