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Add comment to xc7 box

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Eddie Hung 2019-06-22 14:28:24 -07:00
parent 63182ed57d
commit 792d0670c3
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techlibs/xilinx/abc_xc7.box
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@ -1,5 +1,8 @@
# Max delays from https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf
# NB: Inputs/Outputs must be ordered alphabetically
# (with exceptions for carry in/out)
# F7BMUX slower than F7AMUX
# Inputs: I0 I1 S0
# Outputs: O