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-rw-r--r--techlibs/xilinx/abc.box20
1 files changed, 20 insertions, 0 deletions
diff --git a/techlibs/xilinx/abc.box b/techlibs/xilinx/abc.box
index 6e9e1faf6..a4182ed63 100644
--- a/techlibs/xilinx/abc.box
+++ b/techlibs/xilinx/abc.box
@@ -40,3 +40,23 @@ RAM64X1D 4 0 15 2
RAM128X1D 5 0 17 2
- - - - - - - - 314 314 314 314 314 314 292 - -
347 347 347 347 347 347 296 - - - - - - - - - -
+
+# Inputs: C CE D R
+# Outputs: Q
+FDRE 6 0 4 1
+- - - -
+
+# Inputs: C CE D S
+# Outputs: Q
+FDSE 7 0 4 1
+- - - -
+
+# Inputs: C CE CLR D
+# Outputs: Q
+FDCE 8 0 4 1
+- - 404 -
+
+# Inputs: C CE D PRE
+# Outputs: Q
+FDPE 9 0 4 1
+- - - 404