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32bits x32bits inter Multiplier in verilog

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craftfox

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shift and add multiplier in verilog

I have search all the content in this forum about this title. But I can't find the useful example about it.

who can give me a multiplier example at gate level?

some links Or some articles about the design process?
 

design a shift multiplier in verilog

**broken link removed**

This is a very good design.... I used it for a high speed multiplier design ..
 
My teacher told me that the multiplier must be constructed with the simple logic gate. He didn't tell me the reason. I think it's not a easy job.

I want to know how long did you finish your multiplier? a month or more?
 

I did a TSMC .18u cell library specific design instantiating most of the components from the library. it took around a month to design/verify/synthesize. it was a combination of radix4/wallace tree multipliers.

to design with gates is not that hard. c that link i gave you.. if u r not worried abt max freq.. then u can go for radix 4 booth muliplier.
 

Thanks for your useful link.
My teacher required me that the multiplier must output the product after two clock cycles. So I think i can not use the booth encode modeling or the sequential shift and accumulation modeling. Maybe the only modeling i can use is the cobinational shift and accumulation modeling.

hope your advice.
 

craftfox said:
Thanks for your useful link.
My teacher required me that the multiplier must output the product after two clock cycles. So I think i can not use the booth encode modeling or the sequential shift and accumulation modeling. Maybe the only modeling i can use is the cobinational shift and accumulation modeling.

hope your advice.
Click to expand...

Output after 2 clock cycle means 2 stage pipelined design. just put a register before the final rounding operation. or during the addition of partial products generated by the booth encoder..
 

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