yosys/techlibs/xilinx/abc_xc7.box

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# Max delays from https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf
# NB: Inputs/Outputs must be ordered alphabetically
# (with exceptions for carry in/out)
# Average across F7[AB]MUX
# Inputs: I0 I1 S0
# Outputs: O
F7MUX 1 1 3 1
204 208 286
# Inputs: I0 I1 S0
# Outputs: O
MUXF8 2 1 3 1
104 94 273
# Box containing MUXF7.[AB] + MUXF8
# Inputs: I0 I1 I2 I3 S0 S1
# Outputs: O
$__MUXF78 3 1 6 1
294 297 311 317 390 273
# CARRY4 + CARRY4_[ABCD]X
# Inputs: CYINIT DI0 DI1 DI2 DI3 S0 S1 S2 S3 CI
# Outputs: O0 O1 O2 O3 CO0 CO1 CO2 CO3
# (NB: carry chain input/output must be last
# input/output and the entire bus has been
# moved there overriding the otherwise
# alphabetical ordering)
CARRY4 4 1 10 8
482 - - - - 223 - - - 222
598 407 - - - 400 205 - - 334
584 556 537 - - 523 558 226 - 239
642 615 596 438 - 582 618 330 227 313
536 379 - - - 340 - - - 271
494 465 445 - - 433 469 - - 157
592 540 520 356 - 512 548 292 - 228
580 526 507 398 385 508 528 378 380 114
# SLICEM/A6LUT
# Inputs: A0 A1 A2 A3 A4 D DPRA0 DPRA1 DPRA2 DPRA3 DPRA4 WCLK WE
# Outputs: DPO SPO
RAM32X1D 5 0 13 2
- - - - - - 631 472 407 238 127 - -
631 472 407 238 127 - - - - - - - -
# SLICEM/A6LUT
# Inputs: A0 A1 A2 A3 A4 A5 D DPRA0 DPRA1 DPRA2 DPRA3 DPRA4 DPRA5 WCLK WE
# Outputs: DPO SPO
RAM64X1D 6 0 15 2
- - - - - - - 642 631 472 407 238 127 - -
642 631 472 407 238 127 - - - - - - - - -
# SLICEM/A6LUT + F7[AB]MUX
# Inputs: A0 A1 A2 A3 A4 A5 A6 D DPRA0 DPRA1 DPRA2 DPRA3 DPRA4 DPRA5 DPRA6 WCLK WE
# Outputs: DPO SPO
RAM128X1D 7 0 17 2
- - - - - - - - 1009 998 839 774 605 494 450 - -
1047 1036 877 812 643 532 478 - - - - - - - - - -
# Box to emulate async behaviour of FD[CP]*
# Inputs: A S
# Outputs: Y
$__ABC_ASYNC 1000 0 2 1
0 764
# The following FD*.{CE,R,CLR,PRE) are offset by 46ps to
# reflect the -46ps Tsu
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L237-L251
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L265-L277
# Inputs: C CE D R \$pastQ
# Outputs: Q
FDRE 1001 1 5 1
0 151 0 446 0
# Inputs: C CE D R \$pastQ
# Outputs: Q
FDRE_1 1002 1 5 1
0 151 0 446 0
# Inputs: C CE CLR D \$pastQ
# Outputs: Q
FDCE 1003 1 5 1
0 151 806 0 0
# Inputs: C CE CLR D \$pastQ
# Outputs: Q
FDCE_1 1004 1 5 1
0 151 806 0 0
# Inputs: C CE D PRE \$pastQ
# Outputs: Q
FDPE 1005 1 5 1
0 151 0 806 0
# Inputs: C CE D PRE \$pastQ
# Outputs: Q
FDPE_1 1006 1 5 1
0 151 0 806 0