diff --git a/library/common/altera/sld_signaltap.v b/library/common/altera/sld_signaltap.v
new file mode 100644
index 000000000..d154b5156
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+++ b/library/common/altera/sld_signaltap.v
@@ -0,0 +1,64 @@
+// ***************************************************************************
+// ***************************************************************************
+// Copyright 2014(c) Analog Devices, Inc.
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//     - Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     - Redistributions in binary form must reproduce the above copyright
+//       notice, this list of conditions and the following disclaimer in
+//       the documentation and/or other materials provided with the
+//       distribution.
+//     - Neither the name of Analog Devices, Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//     - The use of this software may or may not infringe the patent rights
+//       of one or more patent holders.  This license does not release you
+//       from the requirement that you obtain separate licenses from these
+//       patent holders to use this software.
+//     - Use of the software either in source or binary form, must be run
+//       on or directly connected to an Analog Devices Inc. component.
+//
+// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+// INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
+// PARTICULAR PURPOSE ARE DISCLAIMED.
+//
+// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
+// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// ***************************************************************************
+// ***************************************************************************
+
+`timescale 1ps/1ps
+
+module sld_signaltap (
+
+  acq_clk,
+  acq_trigger_in,
+  acq_data_in);
+
+  // parameters
+
+  parameter   sld_sample_depth  = 1024;
+  parameter   sld_data_bits = 32;
+  parameter   sld_trigger_bits = 1;
+  parameter   sld_trigger_level = 1;
+  parameter   sld_trigger_in_enabled = 0;
+  parameter   sld_enable_advanced_trigger = 0;
+
+  // data interface
+
+  input                             acq_clk;
+  input   [(sld_trigger_bits-1):0]  acq_trigger_in;
+  input   [(sld_data_bits-1):0]     acq_data_in;
+
+endmodule
+
+// ***************************************************************************
+// ***************************************************************************