ice40: add SB_SPRAM256KA arrival time

diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v
index 7d1b37fd695b2ecf32b91074dfae4b3c78d0dca9..50eab5dde39270b11f49819b27c35b6c43b61a51 100644 (file)
--- a/techlibs/ice40/cells_sim.v
+++ b/techlibs/ice40/cells_sim.v
@@ -1126,6 +1126,7 @@ module SB_SPRAM256KA (
        input [15:0] DATAIN,
        input [3:0] MASKWREN,
        input WREN, CHIPSELECT, CLOCK, STANDBY, SLEEP, POWEROFF,
+       `ABC9_ARRIVAL_U(1821)  // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L13207
        output reg [15:0] DATAOUT
 );
 `ifndef BLACKBOX