diff --git a/library/xilinx/common/ad_serdes_in.v b/library/xilinx/common/ad_serdes_in.v
index 08ea2b4a6..84520379f 100644
--- a/library/xilinx/common/ad_serdes_in.v
+++ b/library/xilinx/common/ad_serdes_in.v
@@ -174,7 +174,7 @@ module ad_serdes_in #(
   if (DEVICE_TYPE == DEVICE_7SERIES) begin
   ISERDESE2  #(
     .DATA_RATE (DATA_RATE),
-    .DATA_WIDTH (8),
+    .DATA_WIDTH (SERDES_FACTOR),
     .DYN_CLKDIV_INV_EN ("FALSE"),
     .DYN_CLK_INV_EN ("FALSE"),
     .INIT_Q1 (1'b0),
@@ -223,7 +223,7 @@ module ad_serdes_in #(
   if (DEVICE_TYPE == DEVICE_6SERIES) begin
   ISERDESE1 #(
     .DATA_RATE (DATA_RATE),
-    .DATA_WIDTH (8),
+    .DATA_WIDTH (SERDES_FACTOR),
     .DYN_CLKDIV_INV_EN ("FALSE"),
     .DYN_CLK_INV_EN ("FALSE"),
     .INIT_Q1 (1'b0),
@@ -267,7 +267,7 @@ module ad_serdes_in #(
 
   ISERDESE1 #(
     .DATA_RATE (DATA_RATE),
-    .DATA_WIDTH (8),
+    .DATA_WIDTH (SERDES_FACTOR),
     .DYN_CLKDIV_INV_EN ("FALSE"),
     .DYN_CLK_INV_EN ("FALSE"),
     .INIT_Q1 (1'b0),
diff --git a/library/xilinx/common/ad_serdes_out.v b/library/xilinx/common/ad_serdes_out.v
index c11072177..22b801b9e 100644
--- a/library/xilinx/common/ad_serdes_out.v
+++ b/library/xilinx/common/ad_serdes_out.v
@@ -84,7 +84,7 @@ module ad_serdes_out #(
       OSERDESE2  #(
         .DATA_RATE_OQ ("DDR"),
         .DATA_RATE_TQ ("SDR"),
-        .DATA_WIDTH (8),
+        .DATA_WIDTH (SERDES_FACTOR),
         .TRISTATE_WIDTH (1),
         .SERDES_MODE ("MASTER"))
       i_serdes (
@@ -121,7 +121,7 @@ module ad_serdes_out #(
       OSERDESE1  #(
         .DATA_RATE_OQ ("DDR"),
         .DATA_RATE_TQ ("SDR"),
-        .DATA_WIDTH (8),
+        .DATA_WIDTH (SERDES_FACTOR),
         .INTERFACE_TYPE ("DEFAULT"),
         .TRISTATE_WIDTH (1),
         .SERDES_MODE ("MASTER"))
@@ -158,7 +158,7 @@ module ad_serdes_out #(
       OSERDESE1  #(
         .DATA_RATE_OQ ("DDR"),
         .DATA_RATE_TQ ("SDR"),
-        .DATA_WIDTH (8),
+        .DATA_WIDTH (SERDES_FACTOR),
         .INTERFACE_TYPE ("DEFAULT"),
         .TRISTATE_WIDTH (1),
         .SERDES_MODE ("SLAVE"))