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Parts, tools and supplies for the electronics experimenter.

SN74LVC245AN Level Shifter


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The Texas Instruments SN74LVC245A is designed for asynchronous communication between data buses. It transmits 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. Inputs can be driven from either 3.3-V or 5-V devices. This feature enables this device to make an excellent, breadboard-friendly level shifter (translator) in a mixed 3.3-V/5-V system environment.