1 # Max delays from https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf
3 # F7BMUX slower than F7AMUX
14 # CARRY4 + CARRY4_[ABCD]X
15 # Inputs: S0 S1 S2 S3 CYINIT DI0 DI1 DI2 DI3 CI
16 # Outputs: O0 O1 O2 O3 CO0 CO1 CO2 CO3
17 # (NB: carry chain input/output must be last input/output,
18 # swapped with what normally would have been the last
19 # output, here: CI <-> S, CO <-> O
21 223 - - - 482 - - - - 222
22 400 205 - - 598 407 - - - 334
23 523 558 226 - 584 556 537 - - 239
24 582 618 330 227 642 615 596 438 - 313
25 340 - - - 536 379 - - - 271
26 433 469 - - 494 465 445 - - 157
27 512 548 292 - 592 540 520 356 - 228
28 508 528 378 380 580 526 507 398 385 114
31 # Inputs: A0 A1 A2 A3 A4 A5 D DPRA0 DPRA1 DPRA2 DPRA3 DPRA4 DPRA5 WCLK WE
34 - - - - - - - 124 124 124 124 124 124 - -
35 124 124 124 124 124 124 - - - - - - 124 - -
37 # SLICEM/A6LUT + F7[AB]MUX
38 # Inputs: A0 A1 A2 A3 A4 A5 A6 D DPRA0 DPRA1 DPRA2 DPRA3 DPRA4 DPRA5 DPRA6 WCLK WE
41 - - - - - - - - 314 314 314 314 314 314 292 - -
42 347 347 347 347 347 347 296 - - - - - - - - - -