See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DBQ | 20

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

CY74FCT2245ATQCT


Octal Bus Transceivers with 3-State Outputs and Series Damping Resistors

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Texas Instruments CY74FCT2245ATQCT

The CY74FCT2245T contains eight noninverting, bidirectional buffers with 3-state outputs intended for bus-oriented applications. On-chip termination resistors at the outputs reduce system noise caused by reflections. For this reason, the CY74FCT2245T can replace the CY74FCT245T in an existing design. The CY74FCT2245T current-sinking capability is 12 mA at the A and B ports.

The transmit/receive (T/R) input determines the direction of data flow through the bidirectional transceiver. Transmit (active high) enables data from A ports to B ports; receive (active low) enables data from B ports to A ports. The output-enable (OE\) input, when high, disables both the A and B ports by putting them in the high-impedance state.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. View datasheet
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