JQ Posted March 5, 2007 Share Posted March 5, 2007 Salutare, sper ca am nimerit unde trebuie.As dori sa fac un generator de frecvente si am gasit foarte multe scheme cu un oscilator 555 care din cate stiu eu are cel putin 30 de ani .De la magazin am luat un β E 555E 89.29 care are 14 pini.Se pare ca NE555 are doar 8, mai exista niste NE555F care are 14.As vrea sa stiu dupa care datasheet sa ma iau, se potriveste cel din urma cu ce-l pe care l-am cumparat? Stiti vreun echivalent? merci Link to comment
Craciun Posted March 6, 2007 Share Posted March 6, 2007 Echivalente pin la pin , sigur. :drinkers: Link to comment
d2134 Posted March 10, 2007 Share Posted March 10, 2007 βE555E are pinii diferiti de NE555F si anume:4 - GND5 - Trigger6 - Output7 - Reset8 - Control voltage9 - Treshold10 - Discharge11 - Vccrestul - NC(dupa Circuite integrate liniare - manual de utilizare, Editura Tehnica 1984, vol. 3, Pag. 20) Link to comment
JQ Posted March 10, 2007 Author Share Posted March 10, 2007 merci, asta voiam de fapt sa stiu, deci se poate inlocui relativ simplu cel de 8 pini cu asta de 14. Link to comment
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