`timescale 1ns/1ps
module sn7430
  #(parameter tPLH = 0, tPHL = 0)
  (input  A,
   input  B,
   input  C,
   input  D,
   input  E,
   input  F,
   input  G,
   input  H,
   output Y);

   assign #(tPLH, tPHL) Y = ~(A & B & C & D & E & F & G & H);
endmodule