#MULTICYCLE FROM CLKNET "clk_100_i_c" TO CLKNET "CLK_OSC_c" 2 X ;
##MULTICYCLE FROM CLKNET "CLK_OSC_c" TO CLKNET "clk_100_i_c" 1 X ;
-MULTICYCLE FROM CLKNET "clk_100_i_c" TO CLKNET "CLK_EXT" 2 X ;
-#MULTICYCLE FROM CLKNET "CLK_EXT" TO CLKNET "clk_100_i_c" 1 X ;
+MULTICYCLE FROM CLKNET "clk_100_i_c" TO CLKNET "CLK_EXT_c" 1 X ;
+MULTICYCLE FROM CLKNET "CLK_EXT_c" TO CLKNET "clk_100_i_c" 2 X ;
LOCATE COMP "THE_MEDIA_UPLINK/gen_serdes_0_200_ctc.THE_SERDES/PCSD_INST" SITE "PCSA" ;
MULTICYCLE TO CELL "THE_TDC/GEN_Channels*Channels/Channel200/SimAdderNo*FC/FF*" 4x;
MULTICYCLE TO CELL "THE_TDC/ReferenceChannel/Channel200/SimAdderNo*FC/FF*" 4x;
-MULTICYCLE FROM CELL "THE_TDC/GEN_Channels*Channels/Channel200/RingBuffer*FIFO/*" CLKNET CLK_PCLK_LEFT_c TO CELL "THE_TDC/GEN_Channels*Channels/Channel200/RingBuffer*FIFO/*" CLKNET clk_100_i_c 2x;
-MULTICYCLE FROM CELL "THE_TDC/ReferenceChannel/Channel200/RingBuffer*FIFO/*" CLKNET CLK_PCLK_LEFT_c TO CELL "THE_TDC/ReferenceChannel/Channel200/RingBuffer*FIFO/*" CLKNET clk_100_i_c 2x;
+MULTICYCLE FROM CELL "THE_TDC/GEN_Channels*Channels/Channel200/RingBuffer*FIFO/*" CLKNET CLK_EXT_c TO CELL "THE_TDC/GEN_Channels*Channels/Channel200/RingBuffer*FIFO/*" CLKNET clk_100_i_c 2x;
+MULTICYCLE FROM CELL "THE_TDC/ReferenceChannel/Channel200/RingBuffer*FIFO/*" CLKNET CLK_EXT_c TO CELL "THE_TDC/ReferenceChannel/Channel200/RingBuffer*FIFO/*" CLKNET clk_100_i_c 2x;
MULTICYCLE TO CELL "THE_TDC/GEN_Channels*Channels/sync_q*" 4 x;
MULTICYCLE TO CELL "THE_TDC/ReferenceChannel/sync_q*" 4 x;