iordan Posted March 30, 2008 Share Posted March 30, 2008 cina ma poate ajuta cu pinii la integratul CDB447 mai precis ce functii au stiu ca este driver pt dysplay cu 7 segmante. Link to comment
d2134 Posted March 30, 2008 Share Posted March 30, 2008 La pini si functionare seamana cu asta de aici: http://www.tranzistoare.ro/datasheets/166/501362_DS.pdf Link to comment
vio2007 Posted March 30, 2008 Share Posted March 30, 2008 CDB 447 = SN 5447 = SN7447 = 74LS47 = 74HC47 utilizarea circuitului intr-o schema si semnificatia pinilor : http://www.uashem.com/pageid-310.html http://www.sn.schule.de/~gyfloeha/rt/lex04/7447.html Link to comment
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