UNISONIC TECHNOLOGIES CO.
, LTD U74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS „ DESCRIPTION CMOS IC The U74ACT240 is a octal buffers/drivers with 3-state outputs.
It is organized as two 4-bit buffers/drivers with separate output-enable ( OE ) inputs.
When OE is high, the Y outputs are in a high-impedance state, and the outputs neither load nor drive the bus lines.
When OE is low, the device passes inverted data from the a inputs to the Y outputs.
The U74ACT240 is designed to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
To ensure the high-impedance state during power up or power down, OE should be ti...

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