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-rw-r--r--techlibs/xilinx/cells_sim.v8
1 files changed, 5 insertions, 3 deletions
diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v
index 910d0e246..e5d9f480b 100644
--- a/techlibs/xilinx/cells_sim.v
+++ b/techlibs/xilinx/cells_sim.v
@@ -353,7 +353,8 @@ module RAM128X1D (
endmodule
module SRL16E (
- output Q,
+ // Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L904-L905
+ (* abc_arrival=1472 *) output Q,
input A0, A1, A2, A3, CE, CLK, D
);
parameter [15:0] INIT = 16'h0000;
@@ -371,8 +372,9 @@ module SRL16E (
endmodule
module SRLC32E (
- output Q,
- output Q31,
+ // Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L904-L905
+ (* abc_arrival=1472 *) output Q,
+ (* abc_arrival=1114 *) output Q31,
input [4:0] A,
input CE, CLK, D
);