Generated by Foxit PDF Creator Foxit Software ttp//www.foxitsoftware.comForevaluationonly 晶体管发展 Transistor-Bardeen et al ( Bell Labs)in 1947 Bipolar transistor- Schockley in 1948 First monolithic IC- Jack Kilby in 1958 First commercial IC logic gates- Fairchild 1960 ttL-1962 into the 1990's ECL 1974 into the 1980's11 晶体管发展  Transistor –Bardeen et.al. (Bell Labs) in 1947  Bipolar transistor – Schockley in 1948  First monolithic IC – Jack Kilby in 1958  First commercial IC logic gates – Fairchild 1960  TTL – 1962 into the 1990’s  ECL – 1974 into the 1980’s Generated by Foxit PDF Creator © Foxit Software http://www.foxitsoftware.com For evaluation only