LINK A SITI CON DATASHEET DI ELETTRONICA
www.analog.com
www.holtek.com
http://mot-sps.com/sps/General/chips-nav.html (Motorola)
www.national.com/catalog
http://wwwnt.semi.harris.com/prodinfo.htm
http://siemens.de/semiconductor/products/products.htm
http://sony.co.ip
http://ti.com/sc/docs/schome.htm
http://sec.samsung.com