diff --git a/dataflow_neuro/cell_lib_async.act b/dataflow_neuro/cell_lib_async.act
index 21332ed..8921da2 100644
--- a/dataflow_neuro/cell_lib_async.act
+++ b/dataflow_neuro/cell_lib_async.act
@@ -536,6 +536,20 @@ namespace tmpl {
         prs{
         [keeper=0] ~a -> y+
         }
+        }
+
+        def A_2C2P_RB_X1(bool! y;bool? c1,c2,p1,p2,reset_B,vdd,vss){
+            bool _y;
+            prs{
+                (~p1 & ~p2 & ~c1 & ~c2)|~reset_B -> _y+
+                (c1 & c2 & reset_B) -> _y-
+                _y => y-
+            }
+            sizing {leak_adjust <- 1; 
+                p_n_mode <- 1;
+                y {-1}; _y{-1} }
+
+
         }
         }}