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Square root calculator (8 bit)

Square root calculator (8 bit) screenshot

Description

This circuit computes the 4-bit integer square root of the 8-bit integer input value. A four bit result is sufficient, because sqrt(255) = 15.96, which is truncated to 15.

The CAS blocks (short for controllable adder/subtractor) work as follows. If P=0, the CAS calculates (A + B + C_in), while for P=1, it calculates ((B + C_in) - A).

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Impressum | 24.11.06
http://tams-www.informatik.uni-hamburg.de/applets/hades/webdemos/20-arithmetic/90-sqrt/sqrt4_print.html