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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SPEAR1340 датащи(PDF) 132 Page - STMicroelectronics |
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SPEAR1340 датащи(HTML) 132 Page - STMicroelectronics |
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132 / 200 page  Electrical characteristics SPEAr1340 132/200 Doc ID 023063 Rev 4 4 Electrical characteristics This chapter provides the electrical characteristics for SPEAr1340. Please refer to AN3317, Application notes, PCB guidelines for SPEAr1340 for additional details. 4.1 Absolute maximum ratings SPEAr1340 contains devices to protect the inputs against damage due to high/low static voltages. However, it is advisable to take normal precaution to avoid application of any voltage higher/lower than the specified maximum/minimum rated voltages. Caution: Stresses above those listed in Table 39 and Table 40 may cause permanent damage to the device. Exposure to maximum rating conditions for extended periods may affect device reliability. Table 39. Voltage absolute maximum ratings Symbol Parameter Min Max Unit VDD 1V2 1V2 power supply -0.3 1.44 V VDD 2V5 2V5 power supply -0.3 3 VDD 3V3 3V3 power supply -0.3 3.9 VDD RTC RTC 1V5 power supply -0.3 2.16 VDD DDR DDR2 1V8 power supply -0.3 2.16 DDR3 1V5 power supply -0.3 2.16 VDD 1V8/3V3 Programmable 1V8 power supply -0.3 3.9 Programmable 3V3 power supply -0.3 3.9 VDD 2V5/3V3 Programmable 2V5 power supply -0.3 3.9 Programmable 3V3 power supply -0.3 3.9 Table 40. Thermal absolute maximum ratings Symbol Parameter Min Max Unit TSTG Storage temperature range -55 150 °C TJ Junction temperature -40 125 |
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