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    | Partname: | HD74AC138 |  
    | Description: | 3-to-8 line Decoder/Demultiplexer |     
    | Manufacturer: | Hitachi Semiconductor |  
    | Package: | DP-16 |  
    | Datasheet: | PDF (66.7K). Click here to download *) |  
    The HD74AC138/HD74ACT138 is a high-speed 1-of-8 decoder/demultiplexer. This device is ideally suited for high-speed bipolar memory chip select address decoding. The multiple input enables allow parallel expansion to a 1-of-24 decoder using just three HD74AC138/HD74ACT138 devices or a 1-of-32 decoder using four HD74AC138/HD74ACT138 devices and one inverter.  |  
    
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    Click here to download HD74AC138 Datasheet*) | 
  
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