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-rw-r--r--techlibs/xilinx/cells_sim.v9
1 files changed, 6 insertions, 3 deletions
diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v
index 6aba5a4b2..3a58f32fa 100644
--- a/techlibs/xilinx/cells_sim.v
+++ b/techlibs/xilinx/cells_sim.v
@@ -298,7 +298,8 @@ module FDPE_1 ((* abc_arrival=303 *) output reg Q,
endmodule
module RAM32X1D (
- output DPO, SPO,
+ // Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
+ (* abc_arrival=11530 *) output DPO, SPO,
input D,
input WCLK,
input WE,
@@ -317,7 +318,8 @@ module RAM32X1D (
endmodule
module RAM64X1D (
- output DPO, SPO,
+ // Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
+ (* abc_arrival=1153 *) output DPO, SPO,
input D,
input WCLK,
input WE,
@@ -336,7 +338,8 @@ module RAM64X1D (
endmodule
module RAM128X1D (
- output DPO, SPO,
+ // Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
+ (* abc_arrival=1153 *) output DPO, SPO,
input D,
input WCLK,
input WE,