The Bipolar digital integrated circuits data book for design engineers 
TTL & Interface Circuits 
 - USA  Texas Instruments  1985 
 - [various pagings.] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Integrated circuits
<br/><br/><label>Universal Decimal Class. No.: </label>621.389.04(083)  / TTL