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SPSB0813 数据表(PDF) 7 Page - STMicroelectronics |
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SPSB0813 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 135 page  2 Maximum ratings 2.1 Operating range Within the operating range, the part operates as specified and without parameter deviations. The device may not operate properly if maximum operating conditions are exceeded. Once taken beyond the operative ratings and returned back within, the part recovers with no damage or degradation. Additional supply voltage and temperature conditions are given separately at the beginning of each electrical specification table. All the voltages are related to the potential at substrate ground. 2.1.1 Supply voltage ranges All SPI communication, logic, and oscillator parameters work down to VSREG = 3.5V and are specified accordingly. • SPI thresholds • Oscillator frequency (delay times correctly elapsed) • Internal register status correctly kept (reset at default values for Vs< VPOR) • Reset threshold correctly detected 2.2 Absolute maximum ratings Maximum ratings are absolute ratings; exceeding any one of these values may cause permanent damage to the integrated circuit. All voltages are related to the potential at substrate ground. Table 2. Absolute maximum ratings Symbol Parameter Condition Min Typ Max Unit VS DC supply voltage Jump start -0.3 28 V Single pulse / tmax < 400 ms “transient load dump” -0.3 40 V VSreg DC supply voltage Jump start -0.3 28 V Single pulse / tmax < 400 ms “transient load dump” -0.3 40 V V1 Stabilized supply voltage, logic supply V1 < VSREG -0.3 6.5 V V2 Stabilized supply voltage(1) -0.3 28 V VDI Logic input -0.3 V1+0.3 V VCLK Logic input -0.3 V1+0.3 V VCSN Logic input -0.3 V1+0.3 V VDO Logic output -0.3 V1+0.3 V VRXDL Logic output -0.3 V1+0.3 V VRXDC Logic output -0.3 V1+0.3 V VNRESET Logic output -0.3 V1+0.3 V SPSB081 Maximum ratings DS14048 - Rev 1 page 7/135 |
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