EXP Primitive
AHDL Function Prototype (port name and order also apply to Verilog HDL):
FUNCTION EXP (in)
RETURNS (out);
VHDL Component Declaration:
COMPONENT EXP
PORT (a_in: IN STD_LOGIC;
a_out: OUT STD_LOGIC);
END COMPONENT;
The EXP expander buffer specifies that an expander product term is needed in the project. The expander product is inverted in the device.
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The EXP primitive is provided only for backward compatibility and is treated as a NOT gate. |
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