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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DM9081FP датащи(PDF) 13 Page - Davicom Semiconductor, Inc. |
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DM9081FP датащи(HTML) 13 Page - Davicom Semiconductor, Inc. |
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13 / 22 page  DM9081 10BASE-T Hub Controller Final 13 Version: DM9081-DS-F02 February 02, 2001 Absolute Maximum Ratings Absolute Maximum Ratings* ( 25 °C ) Symbol Parameter Min. Max. Unit Conditions DVCC,AVCC Supply Voltage -0.5 7.0 V VIN DC Input Voltage (VIN) -0.5 5.5 V VOUT DC Output Voltage(VOUT) -0.5 5.5 V Tc Case Temperature Range 0 85 °C Tstg Storage Temperature Rang (Tstg) -65 150 °C LT Lead Temp. (TL, Soldering, 10 sec.) --- 220 °C ESD ESD Rating (Rzap=1.5K, Czap=100pF) --- 2000 V Comments Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to this device. These are stress ratings only. Functional operation of this device at these or any other conditions above those indicated in the operational sections of this specification is not implied or intended. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability. DC Electrical Characteristics (VDD=5V ± 5%, Tc=0°C to 85°C, unless otherwise specified.) Symbol Parameter Min. Typ. Max. Unit Conditions VIL Input Low Voltage -0.5 0.8 V DGND=0.0V, Except DAT VIH Input High Voltage 3.0 DVDD+0.5 V Except DAT VOL Output Low Voltage - 0.4 V IOL=4mA VOH Output High Voltage 3.5 - V IOH=-4mA IIL Input Leakage Current (also DAT as Input) - 10 uA DGND<VIN<DVDD VILX X2 Crystal Input Low Voltage -0.5 1.0 V DGND=0.0V VIHX X2 Crystal Input High Voltage 3.8 DVDD+0.5 V DGND=0.0V IILX Crystal Input Low Current - 10 uA VIN=DGND IIHX Crystal Input High Current - 10 uA VIN=DVDD AUI Port VOD Differential Output Voltage (TXP, TXN) 550 1200 mV 78 Ω termination, and 270 Ω from each to GND VOB Differential Output Voltage Imbalance (TXP, TXN) - 40 mV 78 Ω termination, and 270 Ω from each to GND VU Undershoot Voltage (TXP, TXN) - 100 mV 78 Ω termination, and 270 Ω from each to GND VDS Differential Squelch Threshold (RXP/RXN and CDP/CDN) 175 300 mV Negative pulse VCM Differential Input Common Mode Voltage (RXP/RXN and CDP/CDN) VDD/2 V Twisted Pair Port VTIDF TP Input Voltage 350 2000 mV |
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