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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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VSC8658 датащи(PDF) 73 Page - Microsemi Corporation |
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VSC8658 датащи(HTML) 73 Page - Microsemi Corporation |
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73 / 95 page  Electrical Specifications VMDS-10242 VSC8658 Datasheet Revision 4.1 65 6.2 Current Consumption There are three sets of current consumption values: • Typical current consumption • Current consumption in SerDes/SGMII to 1000BASE-X mode • Current consumption in SerDes/SGMII to 100BASE-FX mode or SerDes pass-through mode The typical current consumption values are based on nominal voltages with all ports operating at 1000BASE-T speeds with full-duplex enabled and a 64-bit random data pattern at 100% utilization. If all eight ports are running in SerDes/SGMII to 1000BASE-X mode, the current consumption values are shown in the following table. If all eight ports are running in SerDes/SGMII to 100BASE-FX mode or SerDes pass-through mode, the current consumption values are as shown in the following table. Table 70 • Typical Current Consumption Parameter Symbol Typical Maximum Unit Worst-case power consumption PD 5.91 W Current with VDDIO at 1.8 V IVDDIO 1mA Current with VDDIO at 2.5 V IVDDIO 1mA Current with VDDIO at 3.3 V IVDDIO 1mA Current with VDD33 at 3.3 V IVDD33 852 mA Current with VDD12 at 1.2 V IVDD12 1488 mA Current with VDD12A at 1.2 V IVDD12A 490 mA Table 71 • Current Consumption in SerDes/SGMII to 1000BASE-X Mode Parameter Symbol Typical Maximum Unit Worst-case power consumption PD 1.05 W Current with VDDIO at 1.8 V IVDDIO 1mA Current with VDDIO at 2.5 V IVDDIO 1mA Current with VDDIO at 3.3 V IVDDIO 1mA Current with VDD33 at 3.3 V IVDD33 68.6 mA Current with VDD12 at 1.2 V IVDD12 134.2 mA Current with VDD12A at 1.2V IVDD12A 448.6 mA Table 72 • Consumption in SerDes/SGMII to 100BASE-FX or SerDes Pass-Through Mode Parameter Symbol Typical Maximum Unit Worst-case power consumption PD 1.09 W Current with VDDIO at 1.8 V IVDDIO 1mA Current with VDDIO at 2.5 V IVDDIO 1mA Current with VDDIO at 3.3 V IVDDIO 1mA Current with VDD33 IVDD33 64 mA Current with VDD12 IVDD12 146 mA Current with VDD12A IVDD12A 444 mA |
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