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SN74ALS33A - Quadruple 2-Input Positive-NOR Buffers

Description

These devices contain four independent 2-input positive-NOR buffers with open-collector outputs.

Open-collector outputs require resistive pullup to perform correctly.

They can deliver higher VOH levels and commonly are used in wired-AND applications.

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Full PDF Text Transcription

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SN54ALS33A, SN74ALS33A QUADRUPLE 2ĆINPUT POSITIVEĆNOR BUFFERS WITH OPENĆCOLLECTOR OUTPUTS SDAS034C − APRIL 1982 − REVISED FEBRUARY 2009 D Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs description These devices contain four independent 2-input positive-NOR buffers with open-collector outputs. Open-collector outputs require resistive pullup to perform correctly. They can deliver higher VOH levels and commonly are used in wired-AND applications. These devices perform the Boolean functions Y = A • B or Y = A + B in positive logic. The SN54ALS33A is characterized for operation over the full military temperature range of − 55°C to 125°C.
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