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Standard cell GDS file issue: 2 Diffusion areas must be connected according to CDL #402

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mohanad0mohamed opened this issue Nov 3, 2022 · 0 comments

mohanad0mohamed commented Nov 3, 2022

Matching CDL file with GDS file is impossible with these 34 cells:

sky130_fd_sc_hd__a2111oi_2
sky130_fd_sc_hd__a211o_4
sky130_fd_sc_hd__a211oi_4
sky130_fd_sc_hd__a21bo_4
sky130_fd_sc_hd__a21boi_2
sky130_fd_sc_hd__a21o_4
sky130_fd_sc_hd__a21oi_2
sky130_fd_sc_hd__a31o_4
sky130_fd_sc_hd__ha_4
sky130_fd_sc_hd__o2111a_4
sky130_fd_sc_hd__o211a_4
sky130_fd_sc_hd__o211ai_4
sky130_fd_sc_hd__o21a_4
sky130_fd_sc_hdll__a211o_4
sky130_fd_sc_hdll__a211oi_4
sky130_fd_sc_hdll__a21bo_4
sky130_fd_sc_hdll__a21boi_2
sky130_fd_sc_hdll__a21o_4
sky130_fd_sc_hdll__a21o_6
sky130_fd_sc_hdll__a21o_8
sky130_fd_sc_hdll__a21oi_2
sky130_fd_sc_hdll__a31o_4
sky130_fd_sc_hdll__and2_6
sky130_fd_sc_hdll__and2_8
sky130_fd_sc_hdll__o211a_4
sky130_fd_sc_hdll__o211ai_4
sky130_fd_sc_hdll__o21a_4
sky130_fd_sc_lp__clkbuflp_16
sky130_fd_sc_lp__clkbuflp_2
sky130_fd_sc_lp__clkbuflp_4
sky130_fd_sc_lp__clkbuflp_8
sky130_fd_sc_lp__clkinvlp_16
sky130_fd_sc_lp__clkinvlp_4
sky130_fd_sc_lp__clkinvlp_8

Due to there are some diffusion areas (source or drain) need to be connected together according to the CDL file but it's left unconnected.

Example:

Solution:
These areas should be connected by any layer of metal layers.

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