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FALXT972MCCA4 датащи(PDF) 63 Page - Intel Corporation |
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FALXT972MCCA4 датащи(HTML) 63 Page - Intel Corporation |
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63 / 92 page ![]() Intel ® LXT972M Single-Port 10/100 Mbps PHY Transceiver Datasheet 63 Document Number: 302875-005 Revision Date: 27-Oct-2005 Table 25 lists the I/O characteristics for the REFCLK/XI and XO pins. Table 26 lists the I/O characteristics for the LXT972M Transceiver LED/CFG pins. Table 25. I/O Characteristics - REFCLK/XI and XO Pins Parameter Symbol Min Typ1 Max Units Test Conditions Input Low Voltage VIL –– 0.8 V – Input High Voltage VIH 2.0 – – V – Input Clock Frequency Tolerance2 Δf– – ±100 ppm – Input Clock Duty Cycle 2 Tdc 35 – 65 % – Input Capacitance CIN – 3.0–pF – 1. Typical values are at 25 °C and are for design aid only, not guaranteed, and not subject to production testing. 2. Parameter is guaranteed by design and not subject to production testing. Table 26. I/O Characteristics - LED/CFG Pins Parameter Symbol Min Typ Max Units Test Conditions Input Low Voltage VIL –– 0.8 V – Input High Voltage VIH 2.0 – – V – Input Current II -10 – 10 μA0 < VI < VCCIO Output Low Voltage VOL –– 0.4 V IOL = 10 mA Output High Voltage VOH 2.0 – – V IOH = -10 mA |
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