Read Only Memory (ROM)

· A ROM is a device that includes both the decoder and the OR gates with in a single IC package.

· Block diagram shows, n inputs lines, each bit is called an address and m output lines, each bit is called a word.

· The ROM is very often used to implement a complex combinational ckt in one IC package.

· A ROM is essentially a memory device in which a fixed set of binary information is stored.

· ROMs have many important applications in the design of digital computer systems.