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SN74ALS540 - OCTAL BUFFERS AND LINE DRIVER

General Description

These octal buffers and line drivers are designed to have the performance of the popular SN54ALS240A/ SN74ALS240A series and, at the same time, offer a pinout with inputs and outputs on opposite sides of the package.

This arrangement greatly facilitates printed circuit board layout.

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Other Datasheets by Texas Instruments

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Full PDF Text Transcription (Reference)

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D 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers D pnp Inputs Reduce dc Loading D Data Flowthrough Pinout (All Inputs on Opposite Side From Outputs) description These octal buffers and line drivers are designed to have the performance of the popular SN54ALS240A/ SN74ALS240A series and, at the same time, offer a pinout with inputs and outputs on opposite sides of the package. This arrangement greatly facilitates printed circuit board layout. The 3-state control gate is a 2-input NOR gate such that, if either output-enable (OE1 or OE2) input is high, all eight outputs are in the high-impedance state. The SN74ALS540 provides inverted data. The ’ALS541 provide true data at the outputs.