Digital systems obtain binary-coded data and information that are continuously being operated on in some manner. Some of the operations include:

  1. Multiplexing
  2. Demultiplexing
  3. Decoding and Encoding

All of these operations and others have been facilitated by the availability of numerous ICs in the MSI (medium-scale-integration) category. In this module, we will study many of the common types of MSI devices. For each type, we will start with a brief discussion of its basic operating principle and then introduce specific ICs. We then show how they can be used alone or in combination with other ICs in various applications.

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