Wallace Tree

Fast Multiplication

/ / Digital Arithmatic, Digital Arithmetic / 1 Comment

The fast multiplication can be achieved in three general ways. The sequential multipliers sequentially generates the partial products and adds them with the previously stored partial products. In the second method, high speed parallel multipliers generate the partial products in parallel and adds them by a fast multi-operand adder. The third method corresponds to use […]

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Fast Addition

/ / Digital Arithmetic / 2 Comments

Contents for fast addition are   Carry Look Ahead Adder Parallel Prefix Adder trees Carry Skip Adder Carry Increment Adder Carry Select Adders Carry Save Addition BCD Addition Addition and subtraction can be performed using the same logic block in two’s complement binary representation. The controlled adder/subtractor logic block is discussed in the tutorial of combinational

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