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HEF40245B

PinoutDescriptionThe HEF40245B is an octal bus transmitter/receiver designed for 8-line asynchronous, 2-way data communication between data buses. HEF40245B features output stages with high current output capability suitable for driving highly capacitive loads.The direction input (DR) controls tra...

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SeekIC No. : 004361343 Detail

HEF40245B: PinoutDescriptionThe HEF40245B is an octal bus transmitter/receiver designed for 8-line asynchronous, 2-way data communication between data buses. HEF40245B features output stages with high current ...

HEF40245B Data Sheet

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HEF40245B
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5000

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Description

The HEF40245B is an octal bus transmitter/receiver designed for 8-line asynchronous, 2-way data communication between data buses. HEF40245B features output stages with high current output capability suitable for driving highly capacitive loads.

The direction input (DR) controls transmission of data from bus A to bus B, or bus B to bus A, depending on its logic level. The 3-state outputs are controlled by the enable input EO. A HIGH on EO causes the outputs to assume a high impedance OFF-state. The HEF40245B also features hysteresis on all inputs to improve noise immunity.

Schmitt-trigger action in the inputs makes the HEF40245B circuit highly tolerant to slower input rise and fall times.

The HEF40245B is pin and functionally compatible with the TTL '245' device.


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