How many bits are there in the result of an 8x8 multiply operation?

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anantha_09

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How many bits are there in the result of an 8x8 multiply
operation?


How many 4x4 multipliers would you need to split a single 8x8
multiply into multiple 4x4 multipliers?
 

Re: question

8x8 mult will result in 16 bit reasult.
because
what is the max value of 8 bit number ? it is 255,
then 255*255 = 65025, which needs 16 bits to represent.
you will need 2 4x4 multipliers to do a 8x8 multiplication.
Kr,
Avi

http://www.vlsiip.com
 

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