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Update README.md

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Matt Guthaus 2021-01-22 10:33:11 -08:00
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@ -43,12 +43,12 @@ The OpenRAM compiler has very few dependencies:
If you want to perform DRC and LVS, you will need either: If you want to perform DRC and LVS, you will need either:
+ Calibre (for [FreePDK45]) + Calibre (for [FreePDK45])
+ [Magic] 8.3.27 or higher (for [SCMOS]) + [Magic] 8.3.130 or newer
+ [Netgen] 1.5 (for [SCMOS]) + [Netgen] 1.5.164 or newer
You must set two environment variables: You must set two environment variables:
+ OPENRAM\_HOME should point to the compiler source directory. + OPENRAM\_HOME should point to the compiler source directory.
+ OPENERAM\_TECH should point to a root technology directory. + OPENERAM\_TECH should point to one or more root technology directories (colon separated).
## Environment ## Environment
@ -65,11 +65,11 @@ You may also wish to add OPENRAM\_HOME to your PYTHONPATH:
export PYTHONPATH="$PYTHONPATH:$OPENRAM_HOME" export PYTHONPATH="$PYTHONPATH:$OPENRAM_HOME"
``` ```
We include the tech files necessary for [SCMOS] We include the tech files necessary for [SCMOS] SCN4M_SUBM. The
SCN4M_SUBM. The [SCMOS] spice models, however, are generic and should [SCMOS] spice models, however, are generic and should be replaced with
be replaced with foundry models. If you are using [FreePDK45], you foundry models. If you are using [FreePDK45], you should also have
should also have that set up and have the environment variable point that set up and have the environment variable point to the PDK. For
to the PDK. For example add this to your .bashrc: example add this to your .bashrc:
``` ```
export FREEPDK45="/bsoe/software/design-kits/FreePDK45" export FREEPDK45="/bsoe/software/design-kits/FreePDK45"
@ -160,9 +160,9 @@ specific technology (e.g., [FreePDK45]) should be a subdirectory
* dff.gds * dff.gds
* sense_amp.gds * sense_amp.gds
* write_driver.gds * write_driver.gds
* cell_6t.gds * cell_1rw.gds
* replica\_cell\_6t.gds * replica\_cell\_1rw.gds
* dummy\_cell\_6t.gds * dummy\_cell\_1rw.gds
* sp_lib folder with all the .sp (premade) library netlists for the above cells. * sp_lib folder with all the .sp (premade) library netlists for the above cells.
* layers.map * layers.map
* A valid tech Python module (tech directory with \_\_init\_\_.py and tech.py) with: * A valid tech Python module (tech directory with \_\_init\_\_.py and tech.py) with: