SN74HCT245

具有三态输出的八路总线收发器

The SNx4HCT245 octal bus transceivers are designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements.

The SNx4HCT245 devices allow data transmission 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. The output-enable OE input can be used to disable the device so that the buses are effectively isolated.

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Operating Voltage Range of 4.5 V to 5.5 V

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High-Current 3-State Outputs Drive Bus Lines Directly or up To 15-LSTTL Loads

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Low Power Consumption, 80-µA Maximum ICC

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Typical tpd = 14 ns

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±6-mA Output Drive at 5 V

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Low Input Current of 1 µA Maximum

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Inputs Are TTL-Voltage Compatible