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2597 Commits

Author SHA1 Message Date
mrg 487027a9f2 Fix pex file names 2020-07-30 11:35:13 -07:00
mrg 8fa0065aaf Undo PR 82 changes -- broke unit test. 2020-07-30 11:09:19 -07:00
mrg a663d903c5 Merge branch 'dev' of github.com:VLSIDA/PrivateRAM into dev 2020-07-30 08:44:25 -07:00
Matt Guthaus 68387ec525
Merge pull request #84 from bvhoof/CalibrePexFilesUpdate 
calibrepex: file copy fix
 2020-07-30 08:40:35 -07:00
Hunter Nichols c6f2edc20d Changed warning message for multiport analytical characterization. 2020-07-29 19:50:06 -07:00
mrg 64d61f4d56 Merge remote-tracking branch 'private/dev' into dev 2020-07-29 12:16:41 -07:00
mrg f23d2e36a7 Don't obstruct control logic signals with dffs when no column mux. 2020-07-29 10:31:18 -07:00
mrg 8a2fa90cd5 Merge remote-tracking branch 'private/dev' into dev 2020-07-29 10:11:26 -07:00
mrg 2fa561f98f Local bitcell array edits. Skip test by default. 2020-07-29 10:08:13 -07:00
Hunter Nichols b4dafac489 Fixed issue with sen measurement not being added 2020-07-27 23:55:03 -07:00
mrg c260297366 Allow replica_bitcell_array without the replica columns for local wordlines. 2020-07-27 16:22:21 -07:00
Hunter Nichols 9ea3616260 Changed multiport characterization warning to better fit 2020-07-27 15:47:02 -07:00
Hunter Nichols c65178f86c Fixed issue with sen delay measure getting mixed with voltage checks 2020-07-27 15:43:50 -07:00
mrg 69cab42676 Add pbuf_dec gate 2020-07-27 13:59:55 -07:00
mrg 26b01e37c6 Fix pbuf test info 2020-07-27 13:59:35 -07:00
mrg 2991534d3f Drafting local bitline stuff. 2020-07-23 17:15:39 -07:00
mrg e1967dc548 Draft local and global arrays. Ensure rows before cols in usage. 2020-07-23 14:43:14 -07:00
mrg 317662d4aa Merge branch 'dev' of github.com:VLSIDA/PrivateRAM into dev 2020-07-23 14:17:52 -07:00
mrg b7c43ae674 Fix 1w/1r example 2020-07-23 14:17:13 -07:00
jcirimel 1d9296ceb1 fix magic.py conflict 2020-07-21 11:50:25 -07:00
jcirimel df4a231c04 fix merge conflicts 2020-07-21 11:38:34 -07:00
mrg 58846a4a25 Limit wordline driver size. Place row addr dff near predecoders. 2020-07-20 17:57:38 -07:00
mrg 0ed81aa923 Removed extraneous shift from added mirroring 2020-07-20 14:11:52 -07:00
mrg 82bbacdfb5 Add data bus gap to dynamically computed channel width 2020-07-20 13:43:57 -07:00
mrg a36e89e103 Replace data flops depending on channel width 2020-07-20 13:26:05 -07:00
mrg 2ccf3aea3b Set channel route height and width (of routes, not pins) 2020-07-20 13:25:47 -07:00
mrg f87b427f76 Add parent to channel route for dumpign debug gds. 2020-07-20 12:03:25 -07:00
mrg f35848e4f8 Route col flops separately. Flip port 1 col flop for easier routing. 2020-07-20 12:02:59 -07:00
mrg 7385decbff Add channel route cyclic VCG debugging. 2020-07-20 12:02:30 -07:00
mrg 9d5d632d1a Pins may be below the channel. 2020-07-16 14:23:48 -07:00
mrg ba3d32fa0c Starting to implement minimizing channel router (not done) 2020-07-16 13:21:44 -07:00
mrg 919e6a5027 Merge remote-tracking branch 'private/dev' into dev 2020-07-15 19:47:44 -07:00
mrg c7bc01c3a9 Clean up binning. Fix mults to 1 for certain gates. 2020-07-15 17:15:42 -07:00
Bob Vanhoof ee3da91232 calibrepex: file copy fix 2020-07-15 11:50:21 +02:00
mrg bb8157b3b7 Exit on DRC not run, check for LVSDRC before running in sram_base. 2020-07-14 08:38:49 -07:00
mrg ed9d32c7bc OpenRAM 1.1.6 2020-07-13 16:26:25 -07:00
mrg e502ee02be Place before computing height of col mux. 2020-07-13 15:51:46 -07:00
mrg 2b7d89d2c1 Fix netlist_only in sky130 2020-07-13 14:59:31 -07:00
mrg e49236f8fc Default drc and lvs errors is skipped. 2020-07-13 14:08:00 -07:00
mrg 716798baae Convert all DRC and LVS routines to set member variables for drc_errors and lvs_errors. 2020-07-13 13:01:00 -07:00
mrg 2011974e01 Make drc and lvs errors a member variable. Run only once. 2020-07-13 12:49:24 -07:00
mrg a3195c0827 Add words_per_row and others in config file. 2020-07-13 12:37:56 -07:00
mrg a989ea63a0 Move magic/netgen files to tech dir 2020-07-09 11:33:14 -07:00
mrg 27166c75f0 Don't remove temp files during regular openram runs. 2020-07-03 07:00:56 -07:00
mrg 5dde466ab9 Merge branch 'dev' of github.com:VLSIDA/PrivateRAM into dev 2020-07-03 06:55:45 -07:00
mrg 282f944b2f Also write .lvs file since it can be different the .sp 2020-07-03 06:55:35 -07:00
Hunter Nichols 206b02a7ee Merge branch 'dev' into characterizer_bug_fixes 2020-07-02 18:00:41 -07:00
Hunter Nichols fb34338fdf Removed debug statements 2020-07-02 18:00:02 -07:00
Hunter Nichols 119bd94689 Fixed warnings with single port characterization. Cleaned up some signal names. 2020-07-02 15:43:23 -07:00
mrg d48f483248 Fix swapped instance bug in perimeter pins. 2020-07-01 15:10:20 -07:00
mrg bed2e36550 Simplify write mask supply via logic 2020-07-01 14:44:48 -07:00
mrg 8cd1cba818 Fix missing via in wmask driver 2020-07-01 14:44:18 -07:00
mrg c340870ba0 Channel route dout wires as well in read write ports 2020-07-01 14:44:01 -07:00
mrg bb18d05f75 Move control output via inside module instead of perimeter 2020-07-01 11:33:25 -07:00
mrg 3d0f29ff3a Fix missing via LVS issues. LVS passing for some 20 tests. 2020-07-01 09:22:59 -07:00
mrg b07f30cb9e Missing output via in control logic 2020-06-30 16:23:07 -07:00
mrg 3379f46da1 Fail unit test, but mention if LVS passes and DRC fails. 2020-06-30 16:22:44 -07:00
mrg 0a87691176 Run Calibre LVS even if DRC fails. 2020-06-30 15:27:10 -07:00
mrg c1fedda575 Modifications for min area metal. 
Made add_via_stack_center iterative instead of recursive.
Removed add_via_stack (non-center) since it isn't used.
Add min area metal during iterative via insertion.
 2020-06-30 15:07:34 -07:00
mrg 011ac2fc05 Don't route to clk to perimeter on m2 2020-06-30 13:57:45 -07:00
mrg a48ea52253 Add missing contact to vdd pins. 2020-06-30 13:26:38 -07:00
mrg 5626fd182e Extra track in data bus. Remove old code. 2020-06-30 10:58:24 -07:00
mrg eb11ac22f3 Widen pitch of control bus in bank. 2020-06-30 10:58:09 -07:00
mrg 8cedeeb3d9 Widen pitch of control bus in bank. 2020-06-30 10:57:41 -07:00
Matt Guthaus 9b939c9a1a DRC/LVS and errors fixes. 
Only enact pdb if assert fails in debug.error.
Only run drc/lvs one time in parse_info by saving result.
Cleanup drc/lvs output.
 2020-06-30 07:16:05 -07:00
Hunter Nichols 0464e2df5d Allowed bitline checks for multiple ports. 2020-06-30 01:37:52 -07:00
Hunter Nichols c289637dab Allowed sen's from multiple ports to be characterized 2020-06-29 23:18:31 -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 bec948dcc3 Fix error in when to add vias for array power 2020-06-29 15:28:55 -07:00
mrg 4e7e0c5954 Skip test in sky130 2020-06-29 15:28:16 -07:00
Matt Guthaus e97644c424 Only do reverse lookup on valid interconnect layers since layer numbers can be shared. 2020-06-29 14:42:24 -07:00
mrg 07d0f3af8e Only copy end-cap pins to the bank level 2020-06-29 11:46:59 -07:00
mrg 1bc0775810 Only add pins to periphery 2020-06-29 10:03:24 -07:00
mrg 5f3a45b91b Compute bus size separately for ports 2020-06-29 05:54:30 -07:00
mrg 47f541df0e Fix bugs in channel route. 2020-06-28 16:58:28 -07:00
mrg 5285468380 All bitcells need a vdd/gnd pin 2020-06-28 15:09:47 -07:00
mrg 751eab202b Move row addr flops away from predecode. Route spare wen separately on lower layer. 2020-06-28 15:06:29 -07:00
mrg 051c8d8697 Only add bitcells to dummy and replica rows and columns (the perimeter) 2020-06-28 14:47:54 -07:00
mrg 709535f90f Fix right perimeter pin coordinate bug 2020-06-28 14:47:17 -07:00
mrg 225fc69420 Use preferred routing direction 2020-06-28 14:29:12 -07:00
mrg 4df02dad67 Move spare wen_dff to the right by spare columns 2020-06-28 14:28:43 -07:00
mrg bc3de9db05 Pick correct side of pin in channel route. 2020-06-28 14:28:18 -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 66ea559209 Use channel for dffs all at once 2020-06-27 08:23:12 -07:00
mrg c10a6a29c0 Simplify precharge pin layer 2020-06-27 08:22:16 -07:00
mrg 609aa98c8b Move write mask pin to left of cell to avoid sense amp 2020-06-27 08:21:53 -07:00
mrg 2bd498c39c Change precharge layer to m3 2020-06-27 08:21:30 -07:00
mrg c07e20cbe4 Move mux select from li to m2 in sky130 2020-06-26 14:27:16 -07:00
mrg 94d7000717 Reduce output clutter from gds write 2020-06-26 12:16:54 -07:00
mrg f57eeb88eb PEP8 cleanup, multiple vdd/gnd support 2020-06-26 11:47:55 -07:00
mrg e23d41c1d4 PEP8 cleanup 2020-06-26 11:47:35 -07:00
mrg 567675ab31 PEP8 cleanup 2020-06-26 11:47:12 -07:00
mrg af4ed3dd6e Skip riscv func test for time sake 2020-06-26 06:50:45 -07:00
mrg d53abba479 Always route the channel route since it is it's own design. 2020-06-25 17:43:44 -07:00
mrg 76e5389c33 Change riscv func test name 2020-06-25 17:43:17 -07:00
mrg 9eb1b500ea Skip phys riscv test 2020-06-25 17:31:23 -07:00
mrg f11afaa63d Refactor channel route to be a design. 2020-06-25 17:30:03 -07:00
mrg 7220b23402 Add riscv unit tests 2020-06-25 15:34:18 -07:00
mrg 66df659ad4 Col decoders are anything not bitcell pitch. 2020-06-25 14:25:48 -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 ee0a003298 Merge branch 'dev' of github.com:VLSIDA/PrivateRAM into dev 2020-06-25 08:57:37 -07:00
jcirimel 5941e01b51 add missing parens 2020-06-25 08:02:08 -07:00
jcirimel 59562f2b92 move accuracy_requirement from techfile to config 2020-06-25 06:44:07 -07:00
jcirimel 812cf11e95 Merge branch 'dev' of https://github.com/VLSIDA/PrivateRAM into dev 2020-06-25 06:32:29 -07:00
jcirimel 57b6d49edb fix pinv size bining 2020-06-25 06:32:07 -07:00
mrg da900b89ba Only expand implants in sky130 2020-06-24 13:48:30 -07:00
mrg ba92467fec Add no well enclosure for techs without wells 2020-06-24 12:07:47 -07:00
mrg 6c523a7556 use add_enclosure for npc contacts 2020-06-24 11:55:44 -07:00
mrg e694622f28 use add_enclosure to extend implants 2020-06-24 11:54:59 -07:00
mrg 4bc3df8931 Add get_tx_insts and expand add_enclosure 2020-06-24 11:54:36 -07:00
mrg 93d65e84e1 Fix power pin layer problems in delay line 2020-06-24 10:26:49 -07:00
mrg 98ec9442c6 Add npc enclosure for pnand2, pnand3, pnor2 2020-06-24 10:00:00 -07:00
mrg 1340908330 Remove fudge factor for pin spacing 2020-06-24 09:24:26 -07:00
mrg cddb16dabc Separate active and poly contact to gate rule 2020-06-24 09:17:39 -07:00
mrg a32b5b13e8 Rename nwell yoffset for consistency 2020-06-24 08:26:15 -07:00
mrg b3d1161957 Add u+x permissions to new tests 2020-06-24 08:19:25 -07:00
Joey Kunzler 22ed725a35 made 1rw_1r tests for write driver and wmask, fixed typo in portdata_wmask_1rw_1r_test 2020-06-23 18:16:14 -07:00
Joey Kunzler 4e83e8c648 added contact to locali for wmask 2020-06-23 18:13:17 -07:00
mrg 22c821f5d8 Change port_address test to 256 for riscv 2020-06-23 15:40:00 -07:00
mrg cfa234a4d0 Extra space between decoders for well spacing 2020-06-23 15:39:42 -07:00
mrg 83001e1ab5 PEP8 formatting 2020-06-23 15:39:26 -07:00
mrg e849a9b973 Use different LVS libs based on tech and sky130 2020-06-23 14:53:24 -07:00
mrg 031862c749 Add metal enclosure to base case of center via stack. 2020-06-23 11:56:50 -07:00
mrg 1a528f9739 Skip and4_dec test 2020-06-23 10:08:28 -07:00
mrg 7ea3366ef1 Disable magic filter in sky130 2020-06-22 16:58:01 -07:00
mrg 92fc30005c Use factory in and_dec tests 2020-06-22 16:55:49 -07:00
mrg 40edbfa51f Error out on single port in sky130 2020-06-22 15:41:59 -07:00
mrg cd23b31ab4 Merge branch 'dev' of github.com:VLSIDA/PrivateRAM into dev 2020-06-22 12:55:45 -07:00
mrg 0926eab9f5 PEP8 formatting 2020-06-22 12:55:18 -07:00
mrg 54120f8405 Add option for removing subckt/instances of cells for row/col caps 2020-06-22 12:35:37 -07:00
mrg a13d535945 PEP8 cleanup 2020-06-22 11:33:02 -07:00
Joey Kunzler 8166adc512 Merge branch 'dev' into s8_update 2020-06-19 15:35:49 -07:00
Joey Kunzler 208c652653 added error for sky130 with invalid x mirroring (for lvs) 2020-06-19 13:59:33 -07:00
mrg a2d160dbf5 Copy magic config for filter code 2020-06-19 13:40:45 -07:00
mrg 5872f553e1 Rename tests for consistency 2020-06-19 08:53:35 -07:00
mrg 239b3ea007 Make wmask test a 1rw/1r 2020-06-19 08:49:48 -07:00
mrg 617a84d4b8 Fix output name of magic gds filter 2020-06-19 07:15:27 -07:00
mrg 94c480911b ngspice raw save doesn't work with measures 2020-06-19 07:09:15 -07:00
mrg 231f90f492 Fix missing space in ptx spice line 2020-06-19 06:47:46 -07:00
mrg 403ea17039 PEP8 formatting 2020-06-18 14:55:01 -07:00
mrg 69f5621245 Save raw file from ngspice 2020-06-18 14:54:36 -07:00
mrg 7dfc462ef6 Add magic filter before calibre for sky130 2020-06-15 13:58:26 -07:00
mrg abb5ff7bae Separate route conditions for s8 2020-06-15 10:30:27 -07:00
mrg e331d6fae8 Permute bus order to avoid conflict in control_logic 2020-06-15 10:25:53 -07:00
mrg a862cf3cb2 Test more single level col mux configs 2020-06-15 10:17:54 -07:00
mrg 4cb827c3d7 Add redundant implant for s8 2020-06-15 10:08:07 -07:00
mrg 355474ce2c Playing around with pnand2 pin spacing rules 2020-06-15 10:07:00 -07:00
mrg 6e0008403e Update new tech name 2020-06-15 10:06:17 -07:00
mrg 79b3b9a8b0 Switch input/output layers for predecodes 2020-06-15 10:06:04 -07:00
mrg 6c04166876 Update port data wmask tests 2020-06-15 06:05:05 -07:00
mrg 02352c35d7 Fix hard coded layer in wmask 2020-06-14 17:10:32 -07:00
mrg 52ee7b0a19 Disable perimeter pins and make an option 2020-06-14 16:44:10 -07:00
mrg 78be9f367a Add brain-dead router pins to perimeter 2020-06-14 15:52:09 -07:00
mrg 9930b5f3f6 Do not run tapless unit tests 2020-06-14 14:18:25 -07:00
mrg 7dc33285a7 Add contact to gate design rule to max for spacing inputs 2020-06-14 14:18:08 -07:00
mrg 8e8a97cc4b Add correct boundary to SRAM 2020-06-14 14:17:35 -07:00
mrg 443c401561 pnand2 B input spaced from top 2020-06-14 14:17:04 -07:00
mrg 91f20f2cf6 Better centering of pinv_dec 2020-06-14 14:09:45 -07:00
mrg 8f1dc7eeea Include mirror/rotate on translate_all boundary update 2020-06-13 06:50:53 -07:00
mrg 33a32101c9 DRC and LVS fixes for pinv_dec 2020-06-12 15:23:51 -07:00
mrg 443b8fbe23 Change s8 to sky130 2020-06-12 14:23:26 -07:00
mrg 54e4d147f6 Rail to ptx spacing based on routing layer not m1 2020-06-11 15:03:50 -07:00
mrg e9780ea599 Add non-preferred directions for channel routes 2020-06-11 15:03:36 -07:00
mrg 8d52794c32 Remove printf in precharge 2020-06-11 11:57:52 -07:00
mrg 7ad2d54a69 Add pin and label purposes 2020-06-11 11:54:51 -07:00
mrg 1a2e0046b1 Add contact to gate spacing for precharge 2020-06-11 11:54:34 -07:00
mrg 089331ced3 Add stdc bounding box too 2020-06-11 11:54:16 -07:00
mrg 098219d56c Add npc enclosure to poly contacts 2020-06-11 11:53:59 -07:00
mrg f973dd6a5c Save LVS model with no u too for Calibre 2020-06-11 11:53:34 -07:00
mrg dff28a9997 Merge branch 'tech_migration' into dev 2020-06-10 17:09:05 -07:00
mrg 196e5998c8 Half poly space per cell at top and bottom. 2020-06-10 16:52:51 -07:00
mrg fdf92d0da1 Rename test 14 2020-06-10 16:41:26 -07:00
mrg 0b4b5e7133 More exact input spacing in pnand3 2020-06-10 16:19:24 -07:00
mrg bfd1abc79f Replica column pins start at 0 height. 2020-06-10 14:58:55 -07:00
mrg 469cd260b9 Change bitcell array name to match 2020-06-10 14:54:20 -07:00
mrg f2c45a230e Add new replica column test. Add more skip tests. 2020-06-10 11:00:00 -07:00
mrg 10be2d08b5 Full path to skip tests file 2020-06-10 10:23:05 -07:00
mrg 5e3332453b Allow power pins to start on any layer besides m1 2020-06-10 10:15:23 -07:00
mrg c119e60e79 Add more s8 skip tests 2020-06-10 10:14:52 -07:00
mrg d4fc88124a Rename dff_buf test 2020-06-09 17:18:19 -07:00
mrg 064fe34edf Fix pinvbuf layers 2020-06-09 17:16:35 -07:00
mrg 14782914b3 Remove vertical pand gates 2020-06-09 16:40:59 -07:00
mrg e6babc301d Incrase space for pnand gates 2020-06-09 16:34:15 -07:00
mrg c6b875146d Use local skip file 2020-06-09 16:33:59 -07:00
mrg fd49d3ed6a Add tech specific skip tests for making new techs. 2020-06-09 16:09:15 -07:00
mrg 580b0601b5 Unskip 20_psram_1bank_4mux_1rw_1r_test 2020-06-09 16:04:39 -07:00
mrg a28e747a02 Fix precharge offset. Move well rules to design class. 2020-06-09 15:28:50 -07:00
mrg 148521c458 Remove stdc layer 2020-06-09 13:48:47 -07:00
mrg 157926960b Flip freepdk45 flop, dff_buf route layer change 2020-06-09 13:48:16 -07:00
mrg 8c6d5b49be Consider diffusion spacing in active offset 2020-06-09 13:09:52 -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 c39c0efd39 Updated spare col tests 2020-06-08 16:38:18 +00:00
Aditi Sinha 300522a1a8 Change spare enable pins offset to lower right 2020-06-08 14:31:46 +00:00
Aditi Sinha ef940e0dc5 Fixes for functional test of spare cols 2020-06-08 05:02:04 +00:00
Aditi Sinha d5041afebc Merge branch 'dev' into bisr 2020-06-07 16:27:25 +00:00
jcirimel 5d5ed552e3 Merge branch 'dev' into discrete_models 2020-06-06 01:48:06 -07:00
mrg 0837432d45 Wordline route layers and (optional) via. 2020-06-05 16:47:22 -07:00
jcirimel 9857a3f7e7 Merge branch 'dev' into discrete_models 2020-06-05 16:47:01 -07:00
mrg 5514996708 Auto-generate port dependent cell names. 2020-06-05 15:09:22 -07:00
mrg 00b51f5464 PEP8 format replica_bitcell_array 2020-06-05 13:49:32 -07:00
mrg 4fef632dce Fix syntax error 2020-06-05 12:13:41 -07:00
mrg a62b85a6b1 Update mirroring in port_data for bitcell mirrored arrays 2020-06-05 11:29:31 -07:00
mrg 2e7f9395f2 Rename 05 test to 14 2020-06-05 09:57:16 -07:00
mrg 68ffb94d2e Rename 05 test to 14 2020-06-05 09:55:57 -07:00
mrg fb3acae908 PEP8 format testutils. 2020-06-05 09:44:30 -07:00
jcirimel 08f6bd8d24 optimize tx binning for area 2020-06-05 02:53:03 -07:00
mrg e14deff3d1 Fixed offset in port_data 2020-06-04 16:03:39 -07:00
mrg 2fcecb7227 Variable zjog. 512 port address test. s8 port address working. 2020-06-04 16:01:32 -07:00
mrg e06dc3810a Move precharge pin to bottom 2020-06-04 12:12:19 -07:00
mrg 717188f85c Change L shape of rbl route 2020-06-04 11:03:39 -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
mrg 77c95b28da Rename precharge test 2020-06-03 16:39:46 -07:00
mrg 3927c62e32 Undo extra space due to nwell spacing 2020-06-03 16:39:33 -07:00
mrg b2b7e7800b Undo same bitline pitch 2020-06-03 16:39:05 -07:00
mrg 4183638f03 Align precharge bitlines with col mux 2020-06-03 16:05:57 -07:00
mrg 4bc1e9a026 Fix the bitline spacing in the column mux to a constant. 2020-06-03 15:47:03 -07:00
mrg 3b1fe26d25 Spacing between decoder and driver for s8 2020-06-03 14:33:30 -07:00
mrg e93f3f1d2e Add 1rw_1r tests 2020-06-03 14:30:15 -07:00
mrg b78166c044 Merge branch 'dev' into tech_migration 2020-06-03 14:08:22 -07:00
Joey Kunzler 7a602b75a4 keep dev routing changes to hierarchy_layout 2020-06-03 12:54:15 -07:00
Joey Kunzler 6430aad857 Merge branch 'dev' into s8_update 2020-06-03 11:53:33 -07:00
mrg 38f5e8b865 Add col mux tests for multiport 2020-06-03 10:01:02 -07:00
Aditi Sinha eb0c595dbe SRAM layout and functional tests with spare cols 2020-06-03 12:31:30 +00:00
mrg 34209dac3d A port option for correct mirroring in port_data. 2020-06-02 16:50:07 -07:00
Joey Kunzler 84021c9ccb merge conflict 2 - port data 2020-06-02 16:32:08 -07:00
Joey Kunzler 001bf1b827 merge conflict - port data 2020-06-02 14:15:39 -07:00
mrg fce8e878b9 Add port to col mux and simplify route with computation to fix mirror bug. 2020-06-02 13:57:41 -07:00
mrg fdf51c5a00 Add port option to precharge array 2020-06-02 11:44:22 -07:00
mrg f1b7b91b1a Use non-channel route for s8 port_data 2020-06-02 11:43:57 -07:00
mrg 45b0601e4b Fix via directions in s8 col mux 2020-06-02 11:43:31 -07:00
mrg a1c7474f80 Revert to channel route of bitlines 2020-06-02 10:08:53 -07:00
mrg 620604603c Fixed offset jogs 2020-06-02 10:08:37 -07:00
mrg b0aa70ffda Fix precharge vdd route layer 2020-06-02 09:23:27 -07:00
Joey Kunzler b39579c109 temp drc fix for regression tests 2020-06-01 20:55:15 -07:00
mrg 9ecf98a4c3 SRAM factory uses default name for first instance even if it has arguments. 2020-06-01 16:46:22 -07:00
mrg b3b03d4d39 Hard cells can accept height parameter too. 2020-06-01 16:46:00 -07:00
mrg 496a24389c Remove prints 2020-05-29 16:57:47 -07:00
mrg 82dc937768 Add missing vias by using via stack function 2020-05-29 16:53:47 -07:00
Joey Kunzler b00163e4e1 lvs fix for regression tests 2020-05-29 13:50:34 -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
jcirimel 575278998d write only used bitcells to top level in stim and pex output 2020-05-28 23:56:15 -07:00
Joey Kunzler 218a553ac5 fix for replica column mirroring over y 2020-05-28 20:31:21 -07:00
Joey Kunzler 7505fa5aef update for end caps 2020-05-27 20:03:11 -07:00
Joey Kunzler 9a6b38b67e merge conflict 2020-05-26 16:03:36 -07:00
Aditi Sinha c7d86b21ae Spare cols with wmask enabled 2020-05-16 10:09:03 +00:00
Aditi Sinha c14190c5aa Changes in control logic for spare columns 2020-05-14 10:41:54 +00:00
Aditi Sinha 8bd1052fc2 Spare columns in full sram layout 2020-05-14 10:30:29 +00:00