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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PRIXP425BD датащи(PDF) 80 Page - Intel Corporation |
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PRIXP425BD датащи(HTML) 80 Page - Intel Corporation |
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80 / 112 page  Intel® IXP42X Product Line and IXC1100 Control Plane Processor Electrical Specifications 80 Datasheet 5.4.6 MDIO DC Parameters NOTES: 1. These values are typical values seen by the manufacturing process and are not tested. 5.4.7 SDRAM Bus DC Parameters NOTES: 1. VIH overshoot: VIH (MAX) = VCCP + 2 V for a pulse width < 3 ns, and the pulse width cannot be greater than one third of the cycle rate. 2. VIL undershoot: VIL (MIN) = -2 V for a pulse width < 3 ns cannot be exceeded. 3. These values are typical values seen by the manufacturing process and are not tested. Table 29. MDIO DC Parameters Symbol Parameter Conditions Min. Typ. Max. Units Notes VIH Input-high voltage 2.0 V VIL Input-low voltage 0.8 V VOH Output-high voltage IOUT = -4 mA 2.4 V VOL Output-low voltage IOUT = 4 mA 0.4 V IIL Input-leakage current 0 < VIN < VCCP -10 10 µA CIN Input-pin capacitance 5 pF 1 CINMDIO Input-pin capacitance 5 pF 1 Table 30. SDRAM Bus DC Parameters Symbol Parameter Conditions Min. Typ. Max. Units Notes VIH Input-high voltage 2.0 V 1 VIL Input-low voltage 0.8 V 2 VOH Output-high voltage IOUT = -4 mA 2.4 V VOL Output-low voltage IOUT = 4 mA 0.4 V IIL Input-leakage current 0 < VIN < VCCP -5 5 µA IOL Output-leakage current 0 < VIN < VCCP -5 5 µA CINCLK Input-pin capacitance 4 pF 3 CIO I/O-pin capacitance 5 pF 3 |
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