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Priority Encoder (8:3 bits)

Priority Encoder (8:3 bits) screenshot

Description

An 8-bit priority encoder. This circuit basically converts a one-hot encoding into a binary representation. If input n is active, all lower inputs (n-1 .. 0) are ignored. Please read the description of the 4:2 encoder for an explanation.

x7 x6 x5 x4 x3 x2 x1 x0   y2 y1 y0
----------------------------------
 1  X  X  X  X  X  X  X    1  1  1
 0  1  X  X  X  X  X  X    1  1  0
 0  0  1  X  X  X  X  X    1  0  1
 0  0  0  1  X  X  X  X    1  0  0
 0  0  0  0  1  X  X  X    0  1  1
 0  0  0  0  0  1  X  X    0  1  0
 0  0  0  0  0  0  1  X    0  0  1
 0  0  0  0  0  0  0  X    0  0  0

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Impressum | 24.11.06
http://tams-www.informatik.uni-hamburg.de/applets/hades/webdemos/10-gates/45-priority/priority83_print.html