10-Bit Buffer/Driver With 3-State Outputs
This 10-bit Buffer bus driver is designed for 1.65-V to 3.6-V VCC operation.
The SN74LVC827A provides a high-performance bus Interface for wide data paths or buses carrying parity.
The 3-state control Gate is a 2-input AND Gate with active-low inputs so that if either output-enable (OE1 or OE2) input is high, all ten outputs are in the high-impedance state. The SN74LVC827A provides true data at its outputs.
Inputs CAN be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in a mixed 3.3-V/5-V system environment.
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.
By Texas Instruments
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