Founded in 1969, LSI Computer Systems, Inc. (LSI/CSI) began operations as the world's first fabless semiconductor company.

Since its inception, LSI/CSI has been engaged in the design and production of Full Custom and Standard Integrated Circuits. Using a broad array of process technologies, LSI/CSI has produced ICs that extend from the consumer and industrial marketplace to military and aerospace applications.

Our proven expertise and strong reputation have made us the IC provider of choice for leading manufacturers in a broad range of industries.


  • Encoder Interface IC's
  • Counters
  • Dividers
  • Programmable Digital Delay Timers
  • Brush/Brushless DC Motor
  • Stepper Motor & AC Motor Controllers
  • PIR Sensor Interface IC's
  • Light Dimming and Control IC's
  • Programmable Digital Locks

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