Read-only memories (ROMs)
Two dimensional array of stored 1s and 0s
Input is an address ? ROM decodes all possible input addresses
The stored row entry is called a "word"
The ROM output is the decoded word
inputs
outputs
n address lines
2n word lines
decoder
• • •
• • •
memory array (2n words by m bits)
Previous slide
Next slide
Back to first slide
View graphic version