See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

N | 20

Temp:

I (-40 to 85)

ECO Plan:

Pb-Free (RoHS)

SN74ACT245N


Octal Bus Transceivers With 3-State Outputs

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Texas Instruments SN74ACT245N

These octal bus transceivers are designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements.

When the output-enable (OE)\ is low, the device passes noninverted data from the A bus to the B bus or from the B bus to the A bus, depending upon the logic level at the direction-control (DIR) input. A high on (OE)\ disables the device so that the buses are effectively isolated.

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.

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