diff --git a/library/jesd204/ad_ip_jesd204_tpl_adc/ad_ip_jesd204_tpl_adc_pnmon.v b/library/jesd204/ad_ip_jesd204_tpl_adc/ad_ip_jesd204_tpl_adc_pnmon.v
index 0aef9f030..834ee0959 100644
--- a/library/jesd204/ad_ip_jesd204_tpl_adc/ad_ip_jesd204_tpl_adc_pnmon.v
+++ b/library/jesd204/ad_ip_jesd204_tpl_adc/ad_ip_jesd204_tpl_adc_pnmon.v
@@ -43,12 +43,16 @@ module ad_ip_jesd204_tpl_adc_pnmon #(
 
   localparam DW = DATA_PATH_WIDTH*CHANNEL_WIDTH-1;
 
+  // Max width of largest PN and data width
+  localparam PN_W = DW > 22 ? DW : 22;
+
   // internal registers
-  reg [DW:0] pn_data_pn = 'd0;
+  reg [PN_W:0] pn_data_pn = 'd0;
 
   // internal signals
-  wire [DW:0] pn_data_pn_s;
+  wire [PN_W:0] pn_data_pn_s;
   wire [DW:0] pn_data_in_s;
+  wire [PN_W:0] pn_data_init;
 
   wire [DW:0] pn23;
   wire [DW+23:0] full_state_pn23;
@@ -56,8 +60,18 @@ module ad_ip_jesd204_tpl_adc_pnmon #(
   wire [DW+9:0] full_state_pn9;
 
   // pn sequence select
+  generate if (PN_W > DW) begin
+    reg [PN_W-DW-1:0] pn_data_in_d = 'd0;
+    always @(posedge clk) begin
+      pn_data_in_d <= pn_data_in_s[PN_W-DW-1:0];
+    end
+    assign pn_data_init = {pn_data_in_d, pn_data_in_s};
+  end else begin
+    assign pn_data_init = pn_data_in_s;
+  end
+  endgenerate
 
-  assign pn_data_pn_s = (pn_oos == 1'b1) ? pn_data_in_s : pn_data_pn;
+  assign pn_data_pn_s = (pn_oos == 1'b1) ? pn_data_init : pn_data_pn;
 
   wire tc = TWOS_COMPLEMENT ? 1'b1 : 1'b0;
 
@@ -84,12 +98,13 @@ module ad_ip_jesd204_tpl_adc_pnmon #(
 
   always @(posedge clk) begin
     if (pn_seq_sel == 4'd0) begin
-      pn_data_pn <= pn9;
+      pn_data_pn <= PN_W > DW ? {pn_data_pn[PN_W-DW-1:0],pn9} : pn9;
     end else begin
-      pn_data_pn <= pn23;
+      pn_data_pn <= PN_W > DW ? {pn_data_pn[PN_W-DW-1:0],pn23} : pn23;
     end
   end
 
+
   // pn oos & pn err
 
   ad_pnmon #(
@@ -98,7 +113,7 @@ module ad_ip_jesd204_tpl_adc_pnmon #(
     .adc_clk (clk),
     .adc_valid_in (1'b1),
     .adc_data_in (pn_data_in_s),
-    .adc_data_pn (pn_data_pn),
+    .adc_data_pn (pn_data_pn[DW:0]),
     .adc_pn_oos (pn_oos),
     .adc_pn_err (pn_err)
   );