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OpenRAM
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3,844 Commits 4 Branches 63 Tags 78 MiB
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41 Commits

Author SHA1 Message Date
mrg 0c3ee643ab Remove add_mod and add module whenever calling add_inst. 2021-11-22 11:33:27 -08:00
mrg 6e2f60353c Add wells to driver stages. Remove unnecessary height/center in control logic. 2021-03-25 10:00:24 -07:00
Matt Guthaus 30fc81a1f0 Update copyright year. 2021-01-22 11:23:28 -08:00
mrg da721a677d Remove EOL whitespace globally 2020-11-03 06:29:17 -08:00
Hunter Nichols 73b2277daa Removed dead code related to older characterization scheme 2020-08-27 17:30:58 -07:00
mrg 30976df48f Change inheritance inits to use super 2020-08-06 11:33:26 -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 617bf302d1 Add option to remove wells. Save area in pgates with redundant wells. 2020-05-13 14:46:42 -07:00
mrg c96a6d0b9d Add no well option. Add stack gates vertical option. 2020-05-11 16:22:08 -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
mrg dd73afc983 Changes to allow decoder height to be a 2x multiple of bitcell height. 
Convert to use li layer in pgates.
Fix multifinger devices with li layers.
Simplify wordline driver input routing.
Fix power pin direction option update.
PEP8 cleanup
Changes to simplify metal preferred directions and pitches.
Split of control logic tests.
 2020-05-10 06:56:22 -07:00
mrg fc85dfe29f Add boundary to all pgates 2020-04-21 15:21:57 -07:00
Matt Guthaus ed28b4983b Clean up and generalize layer rules. 
Convert metalN to mN.
Generalize helper constants in modules for
space, width, enclose, etc.
Use layer stacks whever possible.
Try to remove drc() calls in liu of helper constants.
 2019-12-17 11:03:36 -08:00
Matt Guthaus 84c7146792 Fix some pep8 errors/warnings in pgate and examples. 2019-10-06 17:30:16 +00:00
Matt Guthaus 2b7025335c Use pand2 of correct size. Simplify width checking of AND array. 2019-08-21 11:20:35 -07:00
Hunter Nichols 2ce7323838 Removed all unused analytical delay functions. 2019-08-06 17:09:25 -07:00
Matt Guthaus ad35f8745e Add direction to pins of all modules 2019-08-06 14:14:09 -07:00
Matt Guthaus a234b0af88 Fix space before comment 2019-06-14 08:43:41 -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
Matt Guthaus 05ad4285af Cleanup pgate code. 
Moved create_netlist and create_layout to the pgate class
from which everything is derived. Modified all pgates
to have consistent debug output and order of init function.
 2019-04-26 12:30:42 -07:00
Hunter Nichols 1438519495 Added check to pdriver for 0 fanout which can break compute_sizes. 2019-04-03 17:53:28 -07:00
Hunter Nichols 97777475b4 Added additions to account for custom delay chains. 2019-03-28 17:16:23 -07:00
Hunter Nichols 0e96648211 Added linear corner factors in analytical delay model. 2019-03-04 00:42:18 -08:00
Hunter Nichols 5f01a52113 Fixed some delay model bugs. 2019-02-05 21:15:12 -08:00
Matt Guthaus 18805423e3 Simplify pdriver code. 2019-01-25 17:18:12 -08:00
Matt Guthaus beceb3fb60 Fix buggy analytical delay in pdriver 2019-01-25 16:22:59 -08:00
Matt Guthaus 6f32bac1a2 Use rx of last pdriver instance after placing instances 2019-01-25 14:17:37 -08:00
Matt Guthaus 614aa54f17 Move clkbuf output lower to avoid dff outputs 2019-01-25 14:03:52 -08:00
Matt Guthaus ddf734891a Fix pdriver width error 2019-01-25 10:26:31 -08:00
Matt Guthaus 091b4e4c62 Add size commments to spize. Change pdriver stage effort. 2019-01-23 17:27:15 -08:00
Matt Guthaus b58fd03083 Change pbuf/pinv to pdriver in control logic. 2019-01-23 12:03:52 -08:00
Matt Guthaus a418431a42 First draft of sram_factory code 2019-01-16 16:15:38 -08:00
Jennifer Eve Sowash bc44c80d40 Added height to init in pdriver.py 2018-12-13 19:03:31 -08:00
Jennifer Eve Sowash a51aacfa90 Added corner case for 1 inv pos polarity and renamed variables. 2018-12-07 19:42:11 -08:00
Jennifer Eve Sowash a6eec10f41 Passed freepdk45 tests with pdriver.py 2018-12-07 12:58:05 -08:00
Jennifer Eve Sowash a24e5229cb Fixed method of determining inverter number. 2018-12-07 10:19:18 -08:00
Jennifer Eve Sowash 653ab3eda4 Changed method of determining number of inverters. 2018-12-06 19:34:19 -08:00
Jennifer Eve Sowash 5e19cf1e24 Updated naming, added compute_sizes(), and fixed sizing function. 2018-12-06 14:36:01 -08:00
Jennifer Eve Sowash 2534a32e20 pdriver.py passes resgression tests. Size and number of inverters has been added. 2018-12-03 12:55:48 -08:00
Jennifer Sowash 887674aa85 Added pdriver.py for testing. 2018-12-03 09:11:12 -08:00