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BUY 74AC138 https://www.utsource.net/itm/p/660047.html
3 to 8 Line Decoder Inverting３－８
Description: The 74AC138 is a 3-to-8 line decoder/demultiplexer with active-low outputs. It is designed to be used with low-power TTL logic families. Features: 3-to-8 line decoder/demultiplexer Active-low outputs Low power TTL logic families Inputs are buffered Outputs are open-drain Outputs can be connected together for active-low decoding Outputs can be connected to other open-drain outputs to implement active-high decoding Outputs are fully buffered for highest noise immunity and pattern insensitivity to output impedance Applications: Address decoding Data routing Memory decoding Multiplexer/demultiplexer logic (For reference only)