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OpenRAM
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201 Commits

Author SHA1 Message Date
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
Matt Guthaus ee2456f433 Merge branch 'add_wmask' into dev 2019-08-22 15:01:41 -07:00
Matt Guthaus 9f54afbf2c Fix capitalization in verilog golden files 2019-08-21 14:29:57 -07:00
jsowash c19bada8df Performed clean up and added comments. 2019-08-19 08:57:05 -07:00
jsowash 858fbb062d Placed wmask dff and added connections for wmask pins. 2019-08-14 11:45:22 -07:00
Matt Guthaus 8d6a4c74e7 Merge branch 'dev' into control_fix 2019-08-10 13:07:30 -07:00
Matt Guthaus 34d28a19e6 Connect wl_en in all ports to bank. 2019-08-10 12:30:23 -07:00
Hunter Nichols d273c0eef5 Merge branch 'dev' into analytical_cleanup 2019-08-08 13:20:27 -07:00
Hunter Nichols 3c44ce2df6 Replaced analytical characterization with graph implementation. Removed most analytical delay functions used by old chacterizer. 2019-08-08 02:33:51 -07:00
Matt Guthaus d36f14b408 New control logic, netlist only working 2019-08-07 17:14:33 -07:00
Matt Guthaus ae46a464b9 Undo delay changes. Fix bus order for DRC. 2019-08-06 17:17:59 -07:00
Matt Guthaus a2f81aeae4 Combine rbl_wl and wl_en. Size p_en_bar slower than wl_en. 2019-08-06 16:29:07 -07:00
Matt Guthaus 8771ffbfed Fix bug to add all p_en_bar to banks 2019-08-01 12:28:21 -07:00
Matt Guthaus ff64e7663e Add p_en_bar to write ports as well 2019-08-01 12:21:43 -07:00
Matt Guthaus 0c5cd2ced9 Merge branch 'dev' into rbl_revamp 2019-07-26 18:01:43 -07:00
Matt Guthaus fb60b51c72 Add check bits. Clean up logic. Move read/write bit check to next cycle. 2019-07-24 16:57:04 -07:00
Matt Guthaus 3df8abd38c Clean up. Split class into own file. 2019-07-24 08:15:10 -07:00
Matt Guthaus 07401fc6ea Make control bus routing offset consistent 2019-07-23 09:39:28 -07:00
jsowash 0a5461201a Change num_wmask to num_wmasks and write_size = None not word_size if wmask not used. 2019-07-19 14:58:37 -07:00