Data Latch Clock +5V Ground A B C D E F G DP D6 D5 D4 D3 D2 D1 TTL Devices, 74xx Series with European Symbols Based on the following sources: <ul> <li>Texas Instruments TTL Data Book   Volume 1, 1996. <li>TTL Data Book, Volume 2 , 1993 <li>National Seminconductor Databook 1990, ALS/LS Logic <li>ttl 74er digital data dictionary, ECA Electronic + Acustic GmbH, ISBN 3-88109-032-0 <li>http://icmaster.com/ViewCompare.asp </ul> <author>Created by librarian@cadsoft.de</author> Dual In Line Package >NAME >VALUE Driver Arrays ULN and UDN Series <author>Created by librarian@cadsoft.de</author> Dual In Line Package >NAME >VALUE EAGLE Design Rules Die Standard-Design-Rules sind so gewählt, dass sie für die meisten Anwendungen passen. Sollte ihre Platine besondere Anforderungen haben, treffen Sie die erforderlichen Einstellungen hier und speichern die Design Rules unter einem neuen Namen ab. EAGLE Design Rules The default Design Rules have been set to cover a wide range of applications. Your particular design may have different requirements, so please make the necessary adjustments and save your customized design rules under a new name.