NATIONAL SEMICONDUCTOR CORPORATION <br/><br/>
MM54HC/74HC high speed microCMOS logic family databook. 

 -  1983 
<br/><br/><label>Standard No.: </label>126920 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D651d, M3