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module top(
input wire [11:8] sw,
output wire [1:0] diff_p,
output wire [1:0] diff_n
);
wire [1:0] buf_i;
wire [1:0] buf_t;
OBUFTDS # (
.IOSTANDARD("DIFF_SSTL135"),
.SLEW("FAST")
) obuftds_0 (
.I(buf_i[0]),
.T(buf_t[0]),
.O(diff_p[0]),
.OB(diff_n[0])
);
OBUFTDS # (
.IOSTANDARD("DIFF_SSTL135"),
.SLEW("FAST")
) obuftds_1 (
.I(buf_i[1]),
.T(buf_t[1]),
.O(diff_p[1]),
.OB(diff_n[1])
);
assign buf_i[0] = sw[ 8];
assign buf_t[0] = sw[ 9];
assign buf_i[1] = sw[10];
assign buf_t[1] = sw[11];
endmodule
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