How many 256x8 roms are needed to make a 4096x8 rom and what kind of decoder should be used? (use only 256x8 roms)?

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asked May 27, 2019 102k views

1 Answer

Saeed Rohani · Answer 1 · 2019-06-02T12:17:16+0000

The number of 256×8 that are needed to make 4096×8 will be found as follows:
(4098×8)/(256×8)
=16.0078
there we conclude that:
sixteen 256×8 are needed to make 4096×8.
Answer: 16

How many 256x8 roms are needed to make a 4096x8 rom and what kind of decoder should be used? (use only 256x8 roms)?

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