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OpenRAM
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49 Commits

Author SHA1 Message Date
mrg f9787eb878 Use bitcell_base for all bitcells. Fix missing setup_bitcell call 2020-11-02 17:00:15 -08:00
mrg fa89b73ef8 PR from mithro + other changable GDS file names 2020-11-02 16:00:16 -08:00
Tim 'mithro' Ansell bb164d915d Allow overriding the cell size layer name. 2020-11-02 10:03:52 -08:00
Tim 'mithro' Ansell 6514bcb4c1 Use default bitcell name if one isn't provided. 
Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
 2020-11-02 09:52:00 -08:00
Tim 'mithro' Ansell 5c1250191c Fixup the bitcell.py to make subclassing work. 
Read in the GDS properties inside the __init__ method.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
 2020-11-02 09:51:54 -08:00
mrg acfec369d6 Add ptx cell properties 2020-10-28 09:54:15 -07:00
mrg 07ef43eaf8 Convert design class data to static 2020-10-27 09:23:11 -07:00
mrg fcb7f42e48 Remove split_wl 2020-10-12 17:27:20 -07:00
jcirimel efdc171b14 make split wl specific to each port 2020-09-23 00:08:34 -07:00
jcirimel 854d51c721 merge dev 2020-08-19 14:25:41 -07:00
jcirimel e7c9914d77 decoder passing except for bus route 2020-08-13 16:20:39 -07:00
jcirimel 3221b4ec57 update to new metal stack names 2020-07-31 05:27:19 -07:00
mrg 40edbfa51f Error out on single port in sky130 2020-06-22 15:41:59 -07:00
mrg 4a67f7dc71 Thin-cell decoder changes. 
Add hard decoder gates (nand, inv, pnan)
Add conditions for routing using LI layer in s8.
Generalize bus layers for decoders.
Move custom cells to own directory.
Fixed via directions, etc.
Add 4x16 hierarchical decoder and test case
 2020-05-29 10:36:07 -07:00
mrg b7c66d7e07 Changes to simplify metal preferred directions and pitches. 
Changes to allow decoder height to be a 2x multiple of bitcell height.
Split of control logic tests.
Fixed track spacing in SRAM and channel router
PEP8 cleanup.
 2020-05-10 11:32:45 -07:00
Bastian Koppelmann 87b5a48f9e bitcell: Remove hardcoded signal pins 
use names provided by the tech file, which can be overriden by the
technology.

Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
 2020-02-12 15:37:51 +01:00
jcirimel 27eced1fbe netlist_only done 2020-02-09 23:51:01 -08:00
jcirimel b212b3e85a s8 gdsless netlist only working up to dff array 2020-02-09 21:37:09 -08:00
mrg 79391b84da Cleanup and rename vias. 2020-01-30 01:45:33 +00:00
vagrant 67c768d22c Refactor bitcell to bitcell_base. Pep8 format bitcells. 2019-10-06 01:08:23 +00:00
Hunter Nichols fc1cba099c Made all cin function relate to farads and all input_load relate to relative units. 2019-08-08 01:57:04 -07:00
Hunter Nichols 6860d3258e Added graph functions to compute analytical delay based on graph path. 2019-08-07 01:50:48 -07:00
mrg e550d6ff10 Port name maps between bank and replica array working. 2019-07-15 11:29:29 -07:00
mrg 043018e8ba Functional tests working with new RBL. 2019-07-12 08:42:36 -07:00
mrg 0b13225913 Single banks working with new RBL 2019-07-11 14:47:27 -07:00
mrg 8b0b2e2817 Merge branch 'dev' into rbl_revamp 2019-07-03 14:05:28 -07:00
Hunter Nichols 4e08e2da87 Merged and fixed conflicts with dev 2019-06-25 16:55:50 -07:00
mrg 4523a7b9f6 Replica bitcell array working 2019-06-19 16:03:21 -07:00
Matt Guthaus a234b0af88 Fix space before comment 2019-06-14 08:43:41 -07:00
Hunter Nichols ad229b1504 Altered indexing of objects in SRAM factory to remove duplications of items using OPTS names. Added smarter bitline name checking. 2019-05-28 16:55:09 -07:00
Hunter Nichols d08181455c Added multiport bitcell support for storage node checks 2019-05-20 22:50:03 -07:00
Hunter Nichols 099bc4e258 Added bitcell check to storage nodes. 2019-05-20 18:35:52 -07:00
Hunter Nichols d8617acff2 Merged with dev 2019-05-15 18:48:00 -07:00
Hunter Nichols d54074d68e Made timing graph more gate-level. Changed edges to be defined by inputs/ouputs and name based. 2019-05-07 00:52:27 -07:00
Matt Guthaus 0f03553689 Update copyright to correct years. 2019-05-06 06:50:15 -07:00
Matt Guthaus 3f9a987e51 Update copyright. Add header to all OpenRAM files. 2019-04-26 12:33:53 -07:00
Hunter Nichols e292767166 Added graph creation and functions in base class and lower level modules. 2019-04-24 14:23:22 -07:00
Hunter Nichols cc5b347f42 Added analyical model test which compares measured delay to model delay. 2019-04-03 16:26:20 -07:00
Hunter Nichols f6eefc1728 Added updated analytical characterization with combined models 2019-04-02 01:09:31 -07:00
Hunter Nichols 80a325fe32 Added corner information for analytical power estimation. 2019-03-04 19:27:53 -08:00
Hunter Nichols 0e96648211 Added linear corner factors in analytical delay model. 2019-03-04 00:42:18 -08:00
Matt Guthaus a418431a42 First draft of sram_factory code 2019-01-16 16:15:38 -08:00
Hunter Nichols bad55cfd05 Merged with dev. Fixed merge conflict. 2018-11-09 17:18:19 -08:00
Hunter Nichols 8957c556db Added sense amp enable delay calculation. 2018-11-08 23:54:18 -08:00
Hunter Nichols b8061d3a4e Added initial code for determining the logical effort delay of the wordline. 2018-11-08 23:54:18 -08:00
Matt Guthaus ef2ed9a92c Simplify bl and br name lists. 2018-11-08 15:48:49 -08:00
Matt Guthaus 1fe767343e Reimplement gdsMill pin functions so they are run once when a GDS is loaded. Get pins is now a table lookup. 2018-11-07 11:31:44 -08:00
Matt Guthaus a094db9077 Merge branch 'multiport' into supply_routing 2018-10-11 09:56:38 -07:00
Matt Guthaus 68b30d601e Move bitcells to their own directory in preparation for custom multiport cells. 2018-10-05 08:09:09 -07:00