1 files changed, 6 insertions, 0 deletions
diff --git a/techlibs/common/simcells.v b/techlibs/common/simcells.v
index a2a377350..88566411a 100644
--- a/techlibs/common/simcells.v
+++ b/techlibs/common/simcells.v
@@ -25,6 +25,12 @@
  *
  */
 
+module  \$_BUF_ (A, Y);
+input A;
+output Y;
+assign Y = A;
+endmodule
+
 module  \$_NOT_ (A, Y);
 input A;
 output Y;