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AX2000 数据表(PDF) 15 Page - Microsemi Corporation |
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AX2000 数据表(HTML) 15 Page - Microsemi Corporation |
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15 / 262 page ![]() Re vi s i on 18 2-1 2 – Detailed Specifications Operating Conditions Table 2-1 lists the absolute maximum ratings of Axcelerator devices. Stresses beyond the ratings may cause permanent damage to the device. Exposure to Absolute Maximum rated conditions for extended periods may affect device reliability. Devices should not be operated outside the recommendations in Table 2-2. Power-Up/Down Sequence All Axcelerator I/Os are tristated during power-up until normal device operating conditions are reached, when I/Os enter user mode. VCCDA should be powered up before (or coincidentally with) VCCA and VCCI to ensure the behavior of user I/Os at system start-up. Conversely, VCCDA should be powered down after (or coincidentally with) VCCA and VCCI. Note that VCCI and VCCA can be powered up in any sequence with respect to each other, provided the requirement with respect to VCCDA is satisfied. Table 2-1 • Absolute Maximum Ratings Symbol Parameter Limits Units VCCA DC Core Supply Voltage –0.3 to 1.7 V VCCI DC I/O Supply Voltage –0.3 to 3.75 V VREF DC I/O Reference Voltage –0.3 to 3.75 V VI Input Voltage –0.5 to 4.1 V VO Output Voltage –0.5 to 3.75 V TSTG Storage Temperature –60 to +150 °C VCCDA* Supply Voltage for Differential I/Os –0.3 to 3.75 V Note: * Should be the maximum of all VCCI. Table 2-2 • Recommended Operating Conditions Parameter Range Commercial Industrial Military Units Ambient Temperature (TA)1 0 to +70 –40 to +85 –55 to +125 °C 1.5 V Core Supply Voltage 1.425 to 1.575 1.425 to 1.575 1.425 to 1.575 V 1.5 V I/O Supply Voltage 1.425 to 1.575 1.425 to 1.575 1.425 to 1.575 V 1.8 V I/O Supply Voltage 1.71 to 1.89 1.71 to 1.89 1.71 to 1.89 V 2.5 V I/O Supply Voltage 2.375 to 2.625 2.375 to 2.625 2.375 to 2.625 V 3.3 V I/O Supply Voltage 3.0 to 3.6 3.0 to 3.6 3.0 to 3.6 V VCCDA Supply Voltage 3.0 to 3.6 3.0 to 3.6 3.0 to 3.6 V VPUMP Supply Voltage 3.0 to 3.6 3.0 to 3.6 3.0 to 3.6 V Notes: 1. Ambient temperature (TA) is used for commercial and industrial grades; case temperature (TC) is used for military grades. 2. TJ max = 125°C |
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