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SN74AUC125,PDF(QUADRUPLE BUS B

消耗积分:2 | 格式:rar | 大小:513 | 2010-07-17

胡秋阳

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This quadruple bus buffer gate is designed for 0.8-V to 2.7-V VCC operation, but is designed specifically for 1.6-V to 1.95-V VCC operation.

The SN74AUC125 contains four independent line drivers with 3-state outputs. Each output is disabled when the associated output-enable (OE) input is high.

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.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

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