National Semiconductor was an American semiconductor manufacturer which specialized in analog devices and subsystems, formerly with headquarters in Santa Clara, California. Wikipedia
Parent organization: Texas Instruments
Founders: Donald T. Valentine, Pierre Lamond, and E. Floyd Kvamme
Founded: May 27, 1959, Danbury, CT
Headquarters: Santa Clara, CA
Location: Santa Clara
Defunct: September 23, 2011; 12 years ago
Source: S&P Global Market Intelligence