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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LAN7430 датащи(PDF) 6 Page - Microchip Technology |
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LAN7430 датащи(HTML) 6 Page - Microchip Technology |
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6 / 77 page  LAN7430/LAN7431 DS00002631D-page 6 2018-2019 Microchip Technology Inc. 1.2 Buffer Types TABLE 1-2: BUFFER TYPE DESCRIPTIONS Buffer Description AI Analog input AO Analog output AIO Analog bi-directional ICLK Crystal oscillator input pin OCLK Crystal oscillator output pin RGMII_I RGMII compliant input RGMII_O RGMII compliant output IS Input with Schmitt trigger OD4 Open-drain output with 4 mA sink VIS Variable voltage input with Schmitt trigger VO8 Variable voltage output with 8 mA sink and 8 mA source VOD8 Variable voltage open-drain output with 8 mA sink VO12 Variable voltage output with 12 mA sink and 12 mA source VOD12 Variable voltage open-drain output with 12 mA sink VOS12 Variable voltage open-source output with 12 mA source PU Internal pull-up with 47μA (typical @ 3.3V). Unless otherwise noted in the pin description, internal pull-ups are always enabled. Internal pull-up resistors prevent unconnected inputs from floating. Do not rely on internal resistors to drive signals external to the device. When connected to a load that must be pulled high, an external resistor must be added. PD Internal pull-down with 47μA (typical @ 3.3V). Unless otherwise noted in the pin description, internal pull-downs are always enabled. Internal pull-down resistors prevent unconnected inputs from floating. Do not rely on internal resistors to drive signals external to the device. When connected to a load that must be pulled low, an external resistor must be added. P Power pin |
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