How to Use Sram generated from OpenRAM (skywater13...
# sky130t
Thouheed
10/10/2022, 10:49 AMHow to Use Sram generated from OpenRAM (skywater130) into OpenLane.
v
Vijayan Krishnan
10/10/2022, 10:53 AMt
Thouheed
10/10/2022, 10:57 AMI generated SRAM from OpenRAM.
When I try to use these in OpenLane to do synthesis facing a few issues.
v
Vijayan Krishnan
10/10/2022, 11:00 AMhow you initialized sram in verilog file?
config.tclt
Thouheed
10/10/2022, 11:01 AMlike this
v
Vijayan Krishnan
10/10/2022, 11:03 AMsame error explained here: https://armleo-openlane.readthedocs.io/en/merge-window-4/tutorials/openram.html#connect-the-blackbox-information-and-timing-data
Read and understand complete document and execute the flow
t
Thouheed
10/10/2022, 11:08 AM@Vijayan Krishnan sure i shall go through the document first.
Thouheed
10/10/2022, 11:14 AM@Vijayan Krishnan thank you for pointing.
setting the below environment variable helped in synthesizing the design.
set ::env(EXTRA_LIBS) "/openlane/pdks/sky130A/libs.ref/sky130_fd_sc_hd/lib/sky130_sram_1kbytes_1r1w_8x1024_8_TT_1p8V_25C.lib"2 Views