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Altera_Forum
Honored Contributor
14 years agoabout Tri-State Logic gate
i want to make a Tri-State Logic gate,but the putout is always high impedance .why here's my code; library ieee; use ieee.std_logic_1164.all; entity e is port( datain:in std_logic...
Altera_Forum
Honored Contributor
14 years agoinout is needed for tri-state buffer on real hardware.
a "buffer" type is an output that can be read internally (it is NOT tri-stated). It is quite rarely used, as most coding guidelines recommend you use internal signals instead.