Signetics <br/><br/>
CMOS HE4000B I.C.family. 
Signetics 
 -  1983 
<br/><br/><label>Standard No.: </label>17630 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D65151, M3