SN74AC245DBR

SN74AC245DBR概述

八路总线收发器与3态输出 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

The ’AC245 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 on 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.

SN74AC245DBR数据文档
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