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Release the SKY130 SRAM build space + OpenRAM support. #221

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Release the SKY130 SRAM build space + OpenRAM support. #221

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@mithro mithro commented Nov 7, 2020

This pull request adds the sky130_fd_bd_sram library which contains the SKY130 SRAM build space which includes;

  • Optimized single port SRAM cells including pre-calculated OPC.
  • Optimized dual port SRAM cells including pre-calculated OPC.
  • OpenRAM tech files enabling the compilation of SRAM macros using the OpenRAM memory compiler.

The pull request also adds sky130_openram_ip_sram which contains prebuilt macros for commonly needed SRAM blocks.

Fixes #3.

@mithro mithro requested a review from mguthaus November 7, 2020 23:29
@github-actions github-actions bot added the documentation Improvements or additions to documentation label Nov 7, 2020
@mithro
docs: Change abbreviation for buildspace.
42eaa63 
The `sp` abbreviation was too close to single port in the sram build
space and causing confusion.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
@mithro
docs: Adding prebuilt IP blocks to the library types.
6626659
@mithro
sky130_fd_bd_sram: Adding the SKY130 SRAM build space + OpenRAM macros.
9579e0c 
This pull request adds the sky130_fd_bd_sram library which contains the
SKY130 SRAM build space which includes;
 * Optimized single port SRAM cells including pre-calculated OPC.
 * Optimized dual port SRAM cells including pre-calculated OPC.
 * OpenRAM tech files enabling the compilation of SRAM macros using the
   [OpenRAM memory compiler](https://github.com/VLSIDA/OpenRAM).

The pull request also adds sky130_openram_ip_sram which contains
prebuilt macros for commonly needed SRAM blocks.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
@mithro mithro added lib-sky130_fd_sp_sram Issues with the SRAM build space provided by the SkyWater foundry. tools-OpenRAM Issues with using OpenRAM with the PDK. in-progress This issue has someone already working on solving it and has made substantial progress. labels Nov 9, 2020
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@mguthaus mguthaus Awaiting requested review from mguthaus

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documentation Improvements or additions to documentation in-progress This issue has someone already working on solving it and has made substantial progress. lib-sky130_fd_sp_sram Issues with the SRAM build space provided by the SkyWater foundry. tools-OpenRAM Issues with using OpenRAM with the PDK.
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Publish the SKY130 SRAM Build Space
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