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    | Partname: | HD74HC688 |  
    | Description: | 8-bit Magnitude Comparator |     
    | Manufacturer: | Hitachi Semiconductor |  
    | Package: | DP-20N |  
    | Datasheet: | PDF (60.7K). Click here to download *) |  
    The HD74HC688 compares bit for bit two 8-bit words and indicates whether or not they are equal. The P=Q output indicates equality when it is low. A single active low enable is provided to facilitate cascading of several packages and enable comparison of words greater than 8-bits.  |  
    
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    Click here to download HD74HC688 Datasheet*) | 
  
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