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OpenRAM
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219 Commits

Author SHA1 Message Date
mrg bd8bf9afd8 Remove RBL label at top level of SRAM 2020-08-25 14:42:21 -07:00
mrg 28bd93bf51 Still working on array refactor 2020-08-25 11:50:44 -07:00
mrg 8dee5520e0 Standardize array names independent of bitcell 2020-08-21 13:44:35 -07:00
mrg 5776788574 Order of wordlines and bitlines in bank 2020-08-18 16:30:38 -07:00
mrg 99e252d6d4 Update interface of RBL array 2020-08-17 17:19:07 -07:00
mrg 60224b105f Merge branch 'dev' of github.com:VLSIDA/PrivateRAM into dev 2020-08-17 14:20:34 -07:00
mrg 94bfad4113 Horizontal gnd vias for unused array inputs 2020-08-17 13:24:34 -07:00
mrg bddb251a84 More room for power contacts 2020-08-17 12:32:44 -07:00
mrg 35a1b00aa0 Extra space for unused wl contacts 2020-08-14 14:23:40 -07:00
mrg 50525e70f4 Fix up to SRAM level with new replica bitcell array ports. 2020-08-13 14:29:10 -07:00
mrg a55909930f Replace replcia_bitcell_array with new one in bank 2020-08-12 09:49:14 -07:00
mrg 8e890c2014 Replica bitcell with all the fixings 2020-08-11 15:00:29 -07:00
mrg 30976df48f Change inheritance inits to use super 2020-08-06 11:33:26 -07:00
mrg 58846a4a25 Limit wordline driver size. Place row addr dff near predecoders. 2020-07-20 17:57:38 -07:00
mrg eb11ac22f3 Widen pitch of control bus in bank. 2020-06-30 10:58:09 -07:00
mrg 372a8a728e Off by one error in channel spacing 2020-06-29 16:47:34 -07:00
mrg 459e3789b8 Change control layers in sky130. 2020-06-29 16:23:25 -07:00
mrg 07d0f3af8e Only copy end-cap pins to the bank level 2020-06-29 11:46:59 -07:00
mrg 225fc69420 Use preferred routing direction 2020-06-28 14:29:12 -07:00
mrg 0c9f52e22f Realign col decoder and control by 1/4 so metal can pass over 2020-06-28 07:15:06 -07:00
mrg f84ee04fa9 Single bank passing. 
Parameterized gate column mux of dff height.
End-cap only supply option instead of no vdd in bitcell.
 2020-06-25 14:03:59 -07:00
mrg e9780ea599 Add non-preferred directions for channel routes 2020-06-11 15:03:36 -07:00
mrg 77fb7017c4 Merge branch 'tech_migration' into dev 2020-06-08 12:54:41 -07:00
mrg 9cc36c6d3a Bus code converted to pins. Fix layers on control signal routes in bank. 2020-06-08 11:01:14 -07:00
Aditi Sinha d5041afebc Merge branch 'dev' into bisr 2020-06-07 16:27:25 +00:00
mrg 0837432d45 Wordline route layers and (optional) via. 2020-06-05 16:47:22 -07:00
mrg 7aafa43897 Connect RBL to bottom of precharge cell 2020-06-04 10:22:52 -07:00
mrg 249b5355ba Adjust rbl route 2020-06-03 17:08:04 -07:00
Aditi Sinha eb0c595dbe SRAM layout and functional tests with spare cols 2020-06-03 12:31:30 +00:00
Aditi Sinha a5c211bd90 Merge branch 'dev' into bisr 2020-05-13 22:39:29 +00:00
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
Aditi Sinha 5c50cf234b Fixed lvs errors for spare columns 2020-05-09 07:56:19 +00:00
Aditi Sinha e30938fb66 Spare columns working at bank level 2020-05-03 15:23:30 +00:00
Aditi Sinha b75eeb7688 Merge branch 'dev' into bisr 2020-03-22 21:58:04 +00:00
mrg 1a2efd77ad Move rbl route away from bitcell array 2020-03-06 09:48:20 -08:00
mrg ee18f61cbf Route RBL to edge of bank. 2020-03-06 09:03:52 -08:00
mrg 9c1f0657dd PEP8 Formatting 2020-03-05 11:58:36 -08:00
Aditi Sinha 694ea5c20e Characterization for extra rows 2020-02-20 17:31:58 +00:00
Aditi Sinha 34939ebd70 Merge branch 'dev' into bisr 2020-02-20 17:09:09 +00:00
Bastian Koppelmann 64bf93e4e5 bank: Connect instances by their individual bl/br names 
each module should be able to state how their bl/br lines are named. Here we
always connect port_data with the bitcell_array, so port_data needs function
that return the names of bl/br.

Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
 2020-02-12 15:00:50 +01:00
mrg 5928a93772 Merge branch 'dev' into tech_migration 2020-02-10 22:42:50 +00:00
mrg 2ff058f5d5 PEP8 Cleanup and reverse pitch offset of col addr routing 2020-02-06 22:59:30 +00:00
Jesse Cirimelli-Low 3a06141030 add simple sram sizing for netlist only 2020-02-06 12:10:49 +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 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
Aditi Sinha 5b3846e1e5 Changed replica bitcell array to work with bank tests for non power of two rows 2019-12-08 13:24:39 +00:00
jsowash 1a72070f04 Removed LVS error where w_en went over whole AND array in 2 port. 2019-09-03 17:14:31 -07:00
jsowash dd67490823 Changed routing to allow for 2 write port with write mask. 2019-09-03 14:43:03 -07:00
Matt Guthaus 64fc771fc4 Simplify is not None 2019-08-22 15:02:52 -07:00