// this file is generated by topld.pl 
// please don't edit it. 
// input pins 
// output pins 
// internal nodes 
// code nodes 
// equations 
// c1: cpol_use 
// c2: cpol_use 
// c3: c_us 
// c4: c_us 
// e1: sn7400 
module m501b (e, f, k, l, m, n, n_t_2x, n_t_4x, n_t_5x, n_t_6x, p, r);
output e;
inout f;
input k;
output l;
output m;
output n;
inout n_t_2x;
output n_t_4x;
output n_t_5x;
output n_t_6x;
output p;
output r;


assign e = ~f;
assign f = ~n_t_2x;
assign n_t_2x = k;
// open collector 'wire-or's 
endmodule