Electronics and Communication Engineering - Microprocessors - Discussion

Discussion Forum : Microprocessors - Section 1 (Q.No. 34)
34.
A 256 x 4 EPROM has
8 address pins and 4 data pins
8 address pins and 8 data pins
4 address pins and 8 data pins
4 address pins and 4 data pins
Answer: Option
Explanation:

28 = 256

Discussion:
2 comments Page 1 of 1.

Ronston said:   8 years ago
I guess each EPROM has one data pin so since there are four EPROMs the number of data pins is four 1.

No of data pins = no of EPROMs.

Dhavaperumal said:   10 years ago
Number of address pins is known by 2 power n but how the data pins can be found?

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