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SN74AVC4T245DRE4 数据表(PDF) 3 Page - Texas Instruments |
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SN74AVC4T245DRE4 数据表(HTML) 3 Page - Texas Instruments |
3 / 24 page SN74AVC4T245 4BIT DUALSUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS SCES576A – JUNE 2004 – REVISED APRIL 2005 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description/ordering information (continued) The VCC isolation feature ensures that if either VCC input is at GND, then both ports are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. FUNCTION TABLE (each 4-bit section) INPUTS OPERATION OE DIR OPERATION L L B data to A bus L H A data to B bus H X All output Hi-Z logic diagram (positive logic) 1DIR 1OE 1A1 1B1 2 4 15 13 1A2 1B2 5 12 2DIR 2OE 2A1 2B1 3 6 14 11 2A2 2B2 7 10 |
类似零件编号 - SN74AVC4T245DRE4 |
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类似说明 - SN74AVC4T245DRE4 |
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