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OpenRAM
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68 Commits

Author SHA1 Message Date
mrg 443c401561 pnand2 B input spaced from top 2020-06-14 14:17:04 -07:00
mrg 443b8fbe23 Change s8 to sky130 2020-06-12 14:23:26 -07:00
mrg e6babc301d Incrase space for pnand gates 2020-06-09 16:34:15 -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 0bb4a7f93d Merge branch 'dev' into tech_migration 2020-04-21 16:37:36 -07:00
mrg fc85dfe29f Add boundary to all pgates 2020-04-21 15:21:57 -07:00
jcirimel 24e0e326d4 merge dev in to disc... 2020-04-16 02:18:39 -07:00
mrg 43dcf675a1 Move pnand outputs to M1. Debug hierarchical decoder multirow. 2020-04-14 10:52:25 -07:00
jcirimel 5f4ed47c57 netlist only discrete simulating 2020-04-13 20:48:34 -07:00
mrg 0ee6963198 Remove unused contact in pnand2 2020-03-23 11:46:21 -07:00
mrg c5a1be703c Rotate via and PEP8 formatting 2020-03-06 13:39:46 -08:00
mrg 266d68c395 Generalize pgate width based on nwell/pwell contacts 2020-02-25 17:09:07 +00:00
mrg d565c9ac72 Generalize input y offsets 2020-02-25 00:35:32 +00:00
mrg 4b06ab9eaf Move port 2 column address bus down. 
PEP 8 cleanup.
 2020-02-06 19:46:10 +00:00
mrg f0ecf385e8 Nwell fixes in pgates. 
Fix minor PEP8 format fixes.
Fix nwell to be 55% of cell height.
Move contact in hierarchical decoder for DRC error.
 2020-02-06 16:20:09 +00:00
mrg 596302d9a9 Update pgate well and well contacts. 
Extend well left and right past a cell boundary.
Use asymmetric well contacts.
 2020-02-05 18:22:45 +00:00
mrg 79391b84da Cleanup and rename vias. 2020-01-30 01:45:33 +00:00
mrg 9beb0f4ece Add separate well design rules. 
Needed to fix various pgates with wells.
Did some cleanup of these gates as well.
 2020-01-23 19:43:41 +00:00
Matt Guthaus 89396698ef Non-preferred via in pnand active 2019-12-20 10:36:14 -08:00
Matt Guthaus 0da8164ea6 Remove some unnecessary via directions. 2019-12-19 13:54:50 -08:00
Matt Guthaus aceaa9fb21 Standardize contact names. 2019-12-17 15:55:20 -08:00
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 e143a6033f Use layer stacks from tech file in design class and throughout 2019-12-13 14:13:41 -08:00
Matt Guthaus 84c7146792 Fix some pep8 errors/warnings in pgate and examples. 2019-10-06 17:30:16 +00:00
Matt Guthaus 585ce63dff Removing unused tech parms. Simplifying redundant parms. 2019-09-04 16:08:18 -07:00
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
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
Hunter Nichols 4e08e2da87 Merged and fixed conflicts with dev 2019-06-25 16:55:50 -07:00
Matt Guthaus a234b0af88 Fix space before comment 2019-06-14 08:43:41 -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
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 e292767166 Added graph creation and functions in base class and lower level modules. 2019-04-24 14:23:22 -07:00
Matt Guthaus be20408fb2 Rewrite add_contact to use layer directions. 2019-04-15 18:00:36 -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
Hunter Nichols d1218778b1 Fixed merge conflicts 2019-01-28 22:33:08 -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 5192a01f2d Convert pgates to use ptx through the factory 2019-01-16 16:30:31 -08:00
Matt Guthaus a418431a42 First draft of sram_factory code 2019-01-16 16:15:38 -08:00
Hunter Nichols 8eb4812e16 Made parasitic delay parameter in Freepdk45 more accurate, added stage names to delay model. 2018-12-17 23:32:02 -08:00
Hunter Nichols 722bc907c4 Merged with dev. Fixed conflicts in tests. 2018-12-02 23:09:00 -08:00