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DP83902AVF データシート(PDF) 51 Page - National Semiconductor (TI) |
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DP83902AVF データシート(HTML) 51 Page - National Semiconductor (TI) |
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51 / 70 page ![]() 140 Preliminary Electrical Characteristics (Continued) Preliminary DC Specifications TA e 0 Cto70 C VCC e 5V g5% unless otherwise specified (Continued) Symbol Parameter Conditions Min Max Units AUI INTERFACE PINS (TXg RXg and CDg) VOD Diff Output Voltage (TXg)78X Termination and 270X g 550 g 1200 mV from Each to GND VOB Diff Output Voltage Imbalance (TXg)78X Termination and 270X Typical 40 mV (Note 1) from Each to GND VU Undershoot Voltage (TXg) (Note 1) 78X Termination and 270X Typical 80 mV from Each to GND VDS Diff Squelch Threshold b 175 b 300 mV (RXg and CDg) (Note 1) VCM Diff Input Common Mode Voltage 0 525 V (RXg and CDg) (Note 1) OSCILLATOR PINS (X1 AND X2) VIH X1 Input High Voltage X1 is Connected to an Oscillator 20 V and GNDX2 is Grounded VIL X1 Input Low Voltage X1 is Connected to an Oscillator 08 V and GNDX2 is Grounded IOSC X1 Input Current GNDX2 is Grounded 3mA VIN e VCC or GND IX2 X2 Input Current X2 Grounded 4mA (Driven Mode) TWISTED PAIR INTERFACE PINS (TXOg TXOdg and RXIg) RTOL TXOdg TXOg Low Level IOL e 25 mA 15 X Output Resistance RTOH TXOdg TXOg High Level IOH e 25 mA 15 X Output Resistance VSRON1 Receive Threshold g 300 g 585 mV Turn-On Voltage (10BASE-T) VSRON2 Receive Threshold g 175 g 300 mV Turn-On Voltage (Reduced Level) VSROFF Receive Threshold g 175 VSRON b 100 mV Turn-Off Voltage (Note 1) VDIFF Differential Mode Input VCC e 50V b 31 a 31 V Voltage Range (Note 1) Note 1 This parameter is guaranteed by design and is not tested 51 |
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