diff --git a/libraries/io/ddr/tb/vhdl/tb_tb_io_ddr.vhd b/libraries/io/ddr/tb/vhdl/tb_tb_io_ddr.vhd
index 02eaac579dffac142cd36e55eaa9d717a2ba59d0..c60fdc3265e589e5bc8115749c8d226a8c26848c 100644
--- a/libraries/io/ddr/tb/vhdl/tb_tb_io_ddr.vhd
+++ b/libraries/io/ddr/tb/vhdl/tb_tb_io_ddr.vhd
@@ -73,13 +73,14 @@ BEGIN
     u_ext_memory_model              : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE,  TRUE, FALSE, 5 ns,  5 ns, 5 ns,  1, 1000, 1, 2, 3,  1, "VAL") PORT MAP (tb_end_vec(3));
     u_mixed_width                   : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE, FALSE, FALSE, 5 ns,  5 ns, 5 ns,  8, 1000, 1, 3, 2,  1, "VAL") PORT MAP (tb_end_vec(4));
                                                                                                                                                                                      
-    u_wr_burst_size_0               : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE,  TRUE, FALSE, 5 ns,  5 ns, 5 ns,  4,    5, 1, 6, 5,  1, "VAL") PORT MAP (tb_end_vec(5));
+    u_wr_burst_size_0               : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE,  TRUE, FALSE, 5 ns,  5 ns, 5 ns,  4,    2,10, 3, 3,  2, "VAL") PORT MAP (tb_end_vec(5));
+    u_wr_burst_size_1               : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE,  TRUE, FALSE, 5 ns,  5 ns, 5 ns,  4,    1,10, 1, 1,  2, "VAL") PORT MAP (tb_end_vec(6));
     
-    u_cross_dvr_to_faster_ctlr      : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE, FALSE, FALSE, 5 ns, 20 ns, 5 ns,  1, 1000, 1, 1, 4,  1, "VAL") PORT MAP (tb_end_vec(6));
-    u_cross_dvr_to_slower_ctlr      : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE, FALSE, FALSE, 5 ns,  1 ns, 5 ns,  1, 1000, 1, 1, 4,  1, "VAL") PORT MAP (tb_end_vec(7));
+    u_cross_dvr_to_faster_ctlr      : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE, FALSE, FALSE, 5 ns, 20 ns, 5 ns,  1, 1000, 1, 1, 4,  1, "VAL") PORT MAP (tb_end_vec(7));
+    u_cross_dvr_to_slower_ctlr      : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE, FALSE, FALSE, 5 ns,  1 ns, 5 ns,  1, 1000, 1, 1, 4,  1, "VAL") PORT MAP (tb_end_vec(8));
                                                                                                                                                                                      
-    u_sequencer_1_16                : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE, FALSE, FALSE, 5 ns,  5 ns, 5 ns,  4,   64, 9, 1,16,  1, "VAL") PORT MAP (tb_end_vec(8));
-    u_sequencer_16_1                : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE, FALSE, FALSE, 5 ns,  5 ns, 5 ns,  4,   64, 9,16, 1,  1, "VAL") PORT MAP (tb_end_vec(9));
+    u_sequencer_1_16                : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE, FALSE, FALSE, 5 ns,  5 ns, 5 ns,  4,   64,10, 1,16,  1, "VAL") PORT MAP (tb_end_vec(9));
+    u_sequencer_16_1                : ENTITY work.tb_io_ddr GENERIC MAP (c_technology, c_tech_ddr3, c_tech_ddr4, FALSE, FALSE, FALSE, 5 ns,  5 ns, 5 ns,  4,   64,10,16, 1,  1, "VAL") PORT MAP (tb_end_vec(10));
   END GENERATE;
   
   -- Distinghuis between tests for DDR3 and DDR4, because the Quartus 14.1 ip_arria10 DDR4 model simulates about 40x slower than the Quartus 11.1 ip_stratixiv DDR3 uniphy model.