The TTL Data Book 

 - USA  Texas Instruments Incorporated 
 - 3.15p. 
<br/><br/><label>ISBN: </label>0895121530 
<br/><br/><label>Subjects--Index Terms: </label>ALS, AS Circuits, Mechanical Data 
<br/><br/><label>Dewey Class. No.: </label>621.38150