Combinatorial cells (simple)¶ Table 7 Cell types for gate level combinatorial cells (simple)¶ Verilog Cell Type Y = A $_BUF_ Y = ~A $_NOT_ Y = A & B $_AND_ Y = ~(A & B) $_NAND_ Y = A | B $_OR_ Y = ~(A | B) $_NOR_ Y = A ^ B $_XOR_ Y = ~(A ^ B) $_XNOR_ Y = S ? B : A $_MUX_