Datasheets

Segue abaixo os links para os respectivos datasheets dos CI's utilizados no circuito:

CI-555: http://pdf.datasheetcatalog.com/datasheet/philips/NE_SA_SE555_C_2.pdf

CI-74LS90: http://phys.thu.edu.tw/~mengwen/exp-electronics/datasheet/74LS90.pdf

CI-74LS83: http://pdf.datasheetcatalog.com/datasheet/motorola/SN74LS83D.pdf

CI-74LS47: http://pdf.datasheetcatalog.com/datasheet/fairchild/DM7447A.pdf