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OpenRAM
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1158 Commits

Author SHA1 Message Date
samuelkcrow 3526a57864 don't route rbl to conrol logic 2022-07-21 19:35:02 -07:00
samuelkcrow 1d6bd78612 multi-delay layout pins and routing for them in control logic 2022-07-21 19:35:01 -07:00
samuelkcrow d7b1368115 all route functions except for delay 2022-07-21 19:35:01 -07:00
samuelkcrow 63ea1588c1 more consise glitch names, remove pre_sen from vertical bus, typo in glitch2 placement 2022-07-21 19:35:01 -07:00
samuelkcrow 0a3c1dd9b8 remove pre_sen entirely, move inverter to wl_en row, complete placement functions 2022-07-21 19:35:01 -07:00
samuelkcrow 7b4af87fda remove the cs_buf function call... smh 2022-07-21 19:35:01 -07:00
samuelkcrow 5edb511dab try it without pre_sen 2022-07-21 19:35:01 -07:00
samuelkcrow 71f241f660 remove remaining cs_buf functions 2022-07-21 19:35:01 -07:00
samuelkcrow 67c1560df0 forgot other place with cs_buf 2022-07-21 19:35:01 -07:00
samuelkcrow fede082b80 cs instead of cs_buf now that everything else is working 2022-07-21 19:35:01 -07:00
samuelkcrow 30b9c2fc25 remove glitch inverters from placement functions, move glitch1 to pen row 2022-07-21 19:35:01 -07:00
samuelkcrow 606260dd68 use odd number inverter chains from delay chain for delay instead of external inverters 2022-07-21 19:35:01 -07:00
samuelkcrow b9b57ab6b3 double length of delay chain as well 2022-07-21 19:35:01 -07:00
samuelkcrow 06254fae72 forgot to multiply all delay chain pinouts by 2 because of previous design that only exposed pins for even numbered inverters in delay chain... oops 2022-07-21 19:35:01 -07:00
samuelkcrow ef2c9fe296 exclude rbl connection in sram base for delay control logic 2022-07-21 19:35:01 -07:00
samuelkcrow 7d4b718344 add most functions needed for delay control logic, fix multi-delay pin order issue 2022-07-21 19:35:01 -07:00
samuelkcrow 45239ca2a9 use cs_buf for sense amp on r ports instead of cs 2022-07-21 19:35:01 -07:00
samuelkcrow c4138c9f9b typo in cs buf netlist function 2022-07-21 19:35:01 -07:00
samuelkcrow 2b72fbee4e bug fix list vs set 2022-07-21 19:35:01 -07:00
samuelkcrow 11ea82e782 check delay chain pinout list, add cs_buf to control logic 2022-07-21 19:35:01 -07:00
samuelkcrow 78013d32b7 hard-code multi-delay stages 2022-07-21 19:35:01 -07:00
samuelkcrow 62a65f8053 all remaining spice for delay control 2022-07-21 19:35:01 -07:00
samuelkcrow 66502fc5dc new control logic module with no more rbl logic, added glitches so far 2022-07-21 19:35:01 -07:00
samuelkcrow b05a721fb5 spice for delay chain with all inverter outputs as pins 2022-07-21 19:35:01 -07:00
Bugra Onal 6d6063ef4e modified template engine & sram multibank class 2022-07-21 15:56:29 -07:00
mrg 6707a93c3c Add fudge factor for bitcell array side rail spacings to fix DRC in freepdk45. 2022-07-20 10:27:30 -07:00
mrg ff7ceaf92d Fix syntax error for module scope in row/col caps. 2022-07-13 17:19:09 -07:00
mrg d92c7a634d Use packages for imports. 
Must set PYTHONPATH to include OPENRAM_HOME now.
Reorganizes subdirs as packages.
Rewrites unit tests to use packages.
Update README.md with instructions, dependencies etc.
Update sky130 module imports.
Change tech specific package from modules to custom.
 2022-07-13 15:55:57 -07:00
mrg cf03454ecf Don't add wdriver_sel_n pins which aren't used. 2022-06-10 09:18:40 -07:00
mrg d30f05a1ae Update power layer on li for sky130 2022-06-08 17:19:26 -07:00
mrg 280582d4d6 Add missing via in dff array 2022-06-08 14:24:17 -07:00
mrg ad6633ddca Update versions of tools. Fix supply bug in predecode. 2022-06-08 13:50:25 -07:00
mrg 8c85230033 Remove experimental power option. 2022-05-23 10:08:35 -07:00
mrg 735d66c9f1 Start dff array supplies on first rather than second bit. 2022-05-17 15:54:54 -07:00
mrg 3e02a0e7df Update column decoder and dff array supplies 2022-05-17 15:49:50 -07:00
mrg f1f4453d14 Add column decoder module with power supply straps. 2022-05-17 13:32:19 -07:00
mrg 9b592ab432 Fix missing hash recompute in vector class. 2022-05-17 13:30:41 -07:00
mrg bdd334bce9 Add layer and directions to pbitcell 2022-05-16 16:11:13 -07:00
mrg 4345136d1a Fix offsets for local bitcell arrays. 2022-05-13 10:46:00 -07:00
mrg 357f967a93 Leave supply routing to new helper functions. 2022-05-11 11:01:14 -07:00
mrg b6c3580e24 Fix width of replica routes. Don't enclose pins if they overlap sufficiently. 2022-05-09 11:44:46 -07:00
mrg 50045e54e8 Fix a couple supply routing issues. 2022-05-03 11:45:51 -07:00
mrg f8f3f16b1f Move delay line supply strap for pin access. 2022-05-02 16:42:14 -07:00
mrg b1bb9151c4 Reimplement off grid pins. 
Long pins aren't accessed on end pins anymore.
Fix problem with multiple non-enclosed space causing blockages.
Add partial pin offgrid enclosure algorithm.
 2022-05-02 15:43:14 -07:00
mrg 64f2f90664 Rework replica_bitcell_array supplies 
Uses layer and direction preferences in tech file.
Places straps on left/right or top/bottom.
 2022-04-19 08:50:11 -07:00
mrg 5e546ee974 New power strapping mostly working. 
Each module uses M3/M4 power straps with pins on the ends.
Works in all technologies for a single no mux, dual port SRAM.
 2022-04-05 13:51:55 -07:00
mrg 01a73b31e1 Fix power ring routing boundary bug. 2022-03-18 10:32:25 -07:00
mrg 7e7670581c Add some vertical/horizontal pins for sky130 only 2022-03-16 07:58:29 -07:00
mrg 8c911f70b9 Build changes. 
Don't pull docker since it will be build by CI.
Shuffle tests to stagger technologies and test types.
 2022-03-06 10:31:43 -08:00
mrg d69e55c2e3 Power routing changes. 
Make the power rails an "experimental_power" option and conditional.
Rename route_vdd_gnd to route_supplies everywhere for consistency.
 2022-03-06 09:56:00 -08:00
mrg 8b3c10ae79 Improvements to power routing. 
Improved the route horizontal and vertical pin functions to
create a single pin at the end.
Swapped A and B on wordline driver input for cleaner routing
in most technologies.
Fixed vertical supply routing in port_address.
 2022-03-04 15:44:07 -08:00
mrg e139b4aa81 Swap A and B pins in wordline driver. 2022-03-03 09:53:24 -08:00
mrg 7654cd7295 Allow supply pins on m4 too 2022-03-02 16:47:17 -08:00
mrg 51ba88d896 Port address with vertical power stripes 2022-03-02 16:29:43 -08:00
mrg f7e3672c89 Route horizontal supplies in write driver. 2022-03-01 14:37:51 -08:00
mrg 2520d9f590 Remove commented code in precharge array 2022-02-25 16:21:12 -08:00
mrg 7b77378927 Add layer to horizontal pin help and use in precharge 2022-02-25 10:45:25 -08:00
mrg 5376b5bf20 Fix offset to center select signal between bitlines 2022-02-23 15:38:11 -08:00
mrg baf369fc96 Convert power to rails rather than pins in sense amp and precharge 2022-02-23 14:06:49 -08:00
mrg 5451a8d07a Don't make internal bus pins because magic will extract ports 2022-02-23 14:06:01 -08:00
Jesse Cirimelli-Low 1a0861539a Merge branch 'opc_fix' into dev 2022-02-15 14:38:20 -08:00
Jesse Cirimelli-Low a54eb90371 place decoder rail contacts at least m2 min spacing away 2022-02-15 14:37:07 -08:00
Jesse Cirimelli-Low c24c37a15a Merge branch 'dev' into lvs 2021-12-22 15:46:09 -08:00
Jesse Cirimelli-Low 8879820af4 replica col lvs fix 2021-12-15 14:19:52 -08:00
mrg 0c3ee643ab Remove add_mod and add module whenever calling add_inst. 2021-11-22 11:33:27 -08:00
Jesse Cirimelli-Low 2fb08af684 change col mux array poly routing from straight to 'L' 2021-11-17 17:22:03 -08:00
Jesse Cirimelli-Low 5792256db1 route spare col 2021-10-05 15:28:20 -07:00
Hunter Nichols 39ae1270d7 Merge branch 'dev' into cacti_model 2021-09-20 17:01:50 -07:00
mrg 8d9a4cc27b PEP8 cleanup 2021-09-07 16:49:44 -07:00
mrg 3f031a90db Specify two stage wl_en driver to prevent race condition 2021-09-03 12:52:17 -07:00
Hunter Nichols 1e08005639 Merge branch 'dev' into cacti_model 2021-07-26 14:35:47 -07:00
Hunter Nichols e9bea4f0b6 Changed names of some functions in base CACTI delay function. Removed unused analytical delay functions. 2021-07-12 13:02:22 -07:00
Jesse Cirimelli-Low 1a7adcfdad fix vnb and vpb routing in rba 2021-07-08 18:31:55 -07:00
Jesse Cirimelli-Low e280efda7b don't copy pwell pin onto nwell 2021-07-01 15:19:59 -07:00
Jesse Cirimelli-Low bcc956ecdc merge dev 2021-06-29 11:42:32 -07:00
Jesse Cirimelli-Low 24e42d7cbe refactor adding bias pins 2021-06-29 11:37:07 -07:00
mrg 930cc48e16 Add vdd/gnd for all bitcells 2021-06-29 09:37:30 -07:00
Jesse Cirimelli-Low c36f471333 add vnb/vpb lvs correspondence points 2021-06-29 02:31:56 -07:00
Hunter Nichols 294ccf602e Merged with dev, addressed conflict in port data 2021-06-21 17:23:32 -07:00
Hunter Nichols 470317eaa4 Changed bitcell exclusion to instead exclude array instances to prevent issues of module exclusion affecting other modules. 2021-06-21 17:20:25 -07:00
Jesse Cirimelli-Low 2760beae34 swap sky130 replica bitcell array power bias routing 2021-06-21 15:22:31 -07:00
Jesse Cirimelli-Low 0008df0204 catch where strap size is zero 2021-06-18 15:24:24 -07:00
Jesse Cirimelli-Low 8ceece2af6 check for valid dimensions instead of recalcuating 2021-06-18 14:21:02 -07:00
Jesse Cirimelli-Low d9afe89770 remove print statement 2021-06-17 03:23:46 -07:00
Jesse Cirimelli-Low 1ce6b4d41a fix freepdk45 2021-06-17 03:21:01 -07:00
mrg 1e486cd344 Use local spacing rule 2021-06-16 18:41:39 -07:00
Hunter Nichols 16e658726e When determining bitline names, added a technology check for sky130. 2021-06-16 17:04:02 -07:00
Jesse Cirimelli-Low 25bc178132 extend input rail 2021-06-14 15:13:17 -07:00
Hunter Nichols 74b55ea83b Added a graph exclusion clear for the mux to prevent previous graph creations causing bugs. 2021-06-14 14:39:54 -07:00
Hunter Nichols 7df36a916b Added an exclusion for unused column mux paths to prevent multiple outputs paths in graph. 2021-06-14 13:51:52 -07:00
Jesse Cirimelli-Low bee9b07516 fix decoder routing 2021-06-11 18:19:07 -07:00
Jesse Cirimelli-Low 2e72da0e53 rotate input to rail contacts for drc 2021-06-10 14:01:28 -07:00
Jesse Cirimelli-Low 247a388ab5 Merge branch 'dev' into laptop_checkpoint 2021-06-09 18:25:45 -07:00
Jesse Cirimelli-Low 10f561648f remove hierarchical decoder vertial m1 above pins 2021-06-09 18:24:21 -07:00
mrg cf61096936 Merge branch 'laptop_checkpoint' into dev 2021-06-04 15:22:37 -07:00
mrg 53791d79c8 spacing must be two extensions (one for each cell) 2021-06-04 08:56:06 -07:00
Jesse Cirimelli-Low 6705f99855 merge in dev 2021-05-28 14:06:23 -07:00
Jesse Cirimelli-Low 1a894a99dd push bias pins to top level power routing 2021-05-28 13:41:58 -07:00
Jesse Cirimelli-Low f9eae3fb80 route bias pisn 2021-05-24 02:42:04 -07:00
mrg 3abebe4068 Add hierarchical seperator option to work with Xyce measurements. 2021-05-14 16:16:25 -07:00
Jesse Cirimelli-Low 0ba229afe5 Merge branch 'dev' into laptop_checkpoint 2021-05-07 19:06:17 -07:00
Jesse Cirimelli-Low 6d8411d19f use consistent amp spacing 2021-05-07 11:29:43 -07:00
mrg e995e61ea4 Fix Verilog module typo. Adjust RBL route. 2021-05-06 14:32:47 -07:00
mrg c057490923 Delay chain should have same height cells as control logic to align supplies. 2021-05-05 15:45:28 -07:00
mrg f677c8a88d Fix predecoder offset after relocating bank offset 2021-05-05 14:44:05 -07:00
mrg 120c4de5ad Fix placement of delay chain to align with control logic rows. 2021-05-05 14:21:53 -07:00
mrg 19ea33d43d Move delay line module down. 2021-05-04 16:42:42 -07:00
Jesse Cirimelli-Low 1b53d12df2 don't double count spare col 2021-05-04 01:52:51 -07:00
Jesse Cirimelli-Low d0e9de1f13 fix port data spare col 2021-05-04 00:41:20 -07:00
Jesse Cirimelli-Low 93b264bc4c allow spare col number override 2021-05-03 21:59:05 -07:00
Jesse Cirimelli-Low 14e087a5eb offset bank coordinates 2021-05-03 15:51:53 -07:00
Jesse Cirimelli-Low 4377619bf6 fixed port_data typo 2021-05-03 14:39:51 -07:00
Jesse Cirimelli-Low d3199ea70e Merge branch 'dev' into laptop_checkpoint 2021-05-03 12:53:31 -07:00
Jesse Cirimelli-Low 3a3da9e0d7 56 drc errors on col mux 1port 2021-05-02 21:49:09 -07:00
mrg fc6e6e1ec7 Add via when write driver supply is different layer 2021-04-28 15:16:26 -07:00
mrg 03e0c14ab2 Move write driver supply to m1 rather than pin layer 2021-04-28 10:13:33 -07:00
Jesse Cirimelli-Low 33e8bce79d dynamic predecode working 2021-04-25 01:22:36 -07:00
Jesse Cirimelli-Low 6ea4bdc5e5 Merge branch 'dev' into laptop_checkpoint 2021-04-23 22:50:23 -07:00
Jesse Cirimelli-Low 4ea0fcd068 support multi cell wide precharge cells 2021-04-23 22:49:29 -07:00
mrg 35fcb3f631 Abstracted LEF added. Params for array wordline layers. 2021-04-22 09:44:25 -07:00
mrg 15b0583ff2 Add custom parameter for wordline layer 2021-04-22 09:42:49 -07:00
mrg 419836411c Fix missing via for global wordlines. 2021-04-21 11:33:18 -07:00
mrg f45efe3db6 Abstracted LEF added. Params for array wordline layers. 2021-04-21 11:04:01 -07:00
mrg 584349c911 Add custom parameter for wordline layer 2021-04-21 11:04:01 -07:00
mrg 439003e203 Respect the bus spacing parameter in predecoder. 2021-04-19 10:51:16 -07:00
Jesse Cirimelli-Low e976c4043b Merge branch 'dev' into laptop_checkpoint 2021-04-14 15:58:06 -07:00
Jesse Cirimelli-Low 2f1d7b879f make bank compatable with sky130 2021-04-14 15:09:25 -07:00
mrg d609e4ea04 Reimplement trim options (except on unit tests). 
Allow trim netlist to be used for delay and functional simulation.
Each class implements a "trim_insts" set of instances that can be removed.
By default far left, right, top and bottom cells in the bitcell arrays are kept.

Use lvs option in sp_write

Fix lvs option in sram.
 2021-04-07 16:07:56 -07:00
mrg 31d3e6cb26 Change LWL layers 2021-04-07 16:07:56 -07:00
mrg 6e2f60353c Add wells to driver stages. Remove unnecessary height/center in control logic. 2021-03-25 10:00:24 -07:00
mrg 4a40e96f6d Control logic route changes. 
Move wl_en to top control signal.
Route wl_en directly to port_address.
Reorder input bus to bank.
 2021-03-24 14:32:10 -07:00
mrg 671470f5f2 Skywater changes. 
Default 1 thread and no temp subdirectory.
Add skywater setup/hold golden data
Add CLI option for simulation threads (-m)
Add compatibility mode option and nomodcheck for ngspice to speed up sky130 model loading.
Make subdir when using default /tmp dir.
Pass num_threads so temp subdirs are created.
 2021-03-22 15:48:14 -07:00
mrg b6f3fbdd1f Use OPTS.precharge instead of hard coded precharge. 2021-03-15 09:44:14 -07:00
mrg 1c6de4591d Remove vertical power pin vias. 2021-02-23 13:32:00 -08:00
Matt Guthaus 30fc81a1f0 Update copyright year. 2021-01-22 11:23:28 -08:00
mrg 3ef56a29ea Bug fix 2021-01-13 13:56:22 -08:00
mrg bc9ab086e5 Clean up imports 2021-01-13 13:01:33 -08:00
mrg 01d312d65c Refactor add power pins 2021-01-13 10:57:12 -08:00
mrg 4fc0357282 Small readability edit to dff_buf 2021-01-04 13:16:23 -08:00
mrg 946ad66e7a Make width based on bitcell offsets, not number of columns 2020-12-18 09:22:10 -08:00
mrg 29880a0b5a Write mask and array supply pins on the ends 2020-12-17 15:25:19 -08:00
mrg e6ff73dbc1 Move supply pins for wmask and array to edge to avoid channel route congestion 2020-12-17 11:48:08 -08:00
mrg da48b8d98c Fix replica column bit index 2020-12-14 14:18:39 -08:00
mrg 47cc4cbfca Remove extra debug statement 2020-12-08 11:55:53 -08:00
mrg 0100ae57a3 Fix mirror with odd number of rows 2020-12-08 10:31:22 -08:00
mrg bad1274bdb Use internal name for col/row caps. gds ordered read enabled. 2020-12-03 10:03:47 -08:00
mrg 705d8e3105 Fix wrong via starting layer 2020-12-01 17:12:35 -08:00
mrg 583a70c24e Fix select layer for column mux array 2020-12-01 15:20:44 -08:00
mrg a31e0dab02 Remove via-to-via path width hack 2020-12-01 13:27:32 -08:00
mrg a5b5f7c22b Change layer away from wordlines 2020-12-01 11:33:55 -08:00
mrg 3829213afe Use and2_dec instead of buf_dec for better wldriver layout 2020-12-01 11:19:12 -08:00
mrg 4e10f6d8a6 Make cell/bitcell custom cell external accessible. 2020-11-24 12:01:00 -08:00
mrg 5ee3f4cc66 Many edits. 
Use internal vdd/gnd names.
Refactor getters in bitcell to base class.
Add BIAS signal type.
 2020-11-22 08:24:47 -08:00
mrg aa03eec943 Fix syntax error. 2020-11-21 07:16:45 -08:00
mrg 4c75bc003e Fix bounding box of replica array to include wordline grounds. 2020-11-21 07:03:59 -08:00
mrg 718c327527 Fix iteration bug with new type 2020-11-20 17:33:15 -08:00
mrg f729e9fca7 Fix new replica_bitcell_array refactor with end caps. Remove single port end cap exceptions. 2020-11-20 16:56:07 -08:00
mrg 27a652ac1b Fix bounding box of cap arrays 2020-11-20 16:54:53 -08:00
mrg 033111a5f3 Default to no hierarchical word lines. 2020-11-19 10:48:35 -08:00
mrg 86799ae3ff Small bug fixes related to new name mapping. 2020-11-16 13:42:42 -08:00
mrg 1d729e8f02 Move pin name mapping to layout class. 2020-11-16 11:04:03 -08:00
mrg 93e94e26ec Get vdd/gnd from properties if it is defined. 2020-11-16 10:14:37 -08:00
mrg 2f994b8c0a Change custom cells to use set_ports setter 2020-11-14 07:15:27 -08:00
mrg 1624d50ca9 Fix props bug again. 2020-11-13 20:35:19 -08:00
mrg e9420d57c2 Fix missing attributes 2020-11-13 19:04:26 -08:00
mrg a2b17a271c Port type order generated on the fly 2020-11-13 16:41:02 -08:00
mrg 01d191da40 clk_pin is redundant in DFFs 2020-11-13 16:23:27 -08:00
mrg 620e271562 Fix various typos and errors 2020-11-13 16:04:07 -08:00
mrg 8021430122 Fix pbitcell erros 2020-11-13 15:55:55 -08:00
mrg c472a94f1e Rework bitcells. 
Name them 1port and 2port consistently.
Allow cell overrides to cell_1rw and cell_2rw or other.
Will use 2rw for 1rw/1r, 2rw, 1w/1r, etc.
 2020-11-13 10:07:40 -08:00
mrg bdda7c4f5f Add bl/br pins to dummy array 2020-11-12 12:38:09 -08:00
mrg 8be1436d51 Use OPTS.bitcell everywhere 2020-11-05 16:55:08 -08:00
mrg 1890385be1 Use custom cells when needed. 2020-11-03 11:58:25 -08:00
mrg cb3e9517bb Use cell_properties to override cell names 2020-11-03 07:06:01 -08:00
mrg da721a677d Remove EOL whitespace globally 2020-11-03 06:29:17 -08:00
mrg fa89b73ef8 PR from mithro + other changable GDS file names 2020-11-02 16:00:16 -08:00
mrg 857f5cb136 Fix copy pasta: decoder to predecode 2020-10-28 15:46:10 -07:00
mrg 00cb8a28d9 Fix supply layer query 2020-10-28 10:36:13 -07:00
mrg acfec369d6 Add ptx cell properties 2020-10-28 09:54:15 -07:00
mrg 25495f3d94 getattr for bank parameters 2020-10-28 09:21:36 -07:00
mrg 611a4155b9 Add initial custom layer properties. 2020-10-27 15:11:04 -07:00
mrg dc991cbcab Use pin of pgate to figure out supply layer. 2020-10-26 15:54:16 -07:00
mrg 38ba5fc10d Use pin of pgate to figure out supply layer. 2020-10-26 15:53:22 -07:00
mrg 804814d18d Add bitlines to dummy modules 2020-10-16 13:43:56 -07:00
mrg 20be7caf98 Make conditional wl and bl for dummy rows/cols. 2020-10-15 13:56:37 -07:00
mrg 6a1f12b62d Refactored to utilize OOP 2020-10-13 11:07:31 -07:00
mrg 68d74737f7 Different bitcell and array supply pins 2020-10-13 07:41:21 -07:00
jcirimel 05667d784f move sky130 specific stuff to tech module lib 2020-10-13 04:48:10 -07:00
mrg c3d6be27be Fix argument name bug for remove wordlines 2020-10-08 16:58:38 -07:00
mrg 8d5db50062 Fix missing update for left RBL offset 2020-10-08 16:40:53 -07:00
mrg b0b15e8151 Fix indent bug that failed to create rbl wl pin labels. 2020-10-08 15:28:01 -07:00
mrg 01fe02bd90 Fixes to replica bitline array. 
Copy pasta error for right dummy column offset.
Put end_caps in try/except block.
PEP 8 formatting
 2020-10-08 14:53:44 -07:00
jcirimel 1e7ae06b7e fix extra wl in col end, work on bring wl pins out to row end array, TODO: mirror alternating row end 2020-10-08 05:32:03 -07:00
jcirimel d40c3588ed no wl for col end 2020-10-08 03:34:16 -07:00
jcirimel 4a1a7e637e merge in dev 2020-10-07 11:54:07 -07:00
mrg 483f6b187c RBL driver supply location differs for sky130 and other techs 2020-10-06 16:47:32 -07:00
mrg c2629edc1b Allow 16-way column mux 2020-10-06 16:27:02 -07:00
jcirimel 13e2a9f5f7 fix missed self.left_rbl refactor 2020-10-06 05:11:15 -07:00
jcirimel 888646cdf9 merge in wlbuf and begin work on 32kb memory 2020-10-06 05:03:59 -07:00
mrg da83824a70 Merge branch 'wlbuffer' into dev 2020-10-05 15:33:54 -07:00
mrg 4a58f09c1c Use 4x16 decoder with dual port bitcell in tests. 2020-10-05 10:52:56 -07:00
mrg c06b02e6fc Rename single_level_column_mux to just column_mux 2020-10-05 08:56:51 -07:00
mrg f8146e3f69 Add decoder4x16 2020-10-02 15:52:09 -07:00
mrg 8ce23d7f17 Provide unique WL driver instance name 2020-10-01 07:17:32 -07:00
Matt Guthaus 112d57d90a Enable riscv tests 2020-09-30 12:39:40 -07:00
mrg f4e6a8895b Update riscv unit test 2020-09-30 08:50:58 -07:00
jcirimel 7cbf456a4f sky130 rba done 2020-09-30 07:34:05 -07:00
mrg b147e8485c PEP8 formatting 2020-09-29 16:52:27 -07:00
mrg 066570bfeb Fix length of write driver 2020-09-29 16:51:55 -07:00
mrg 449a4c2660 Exclude bitcells in other local areas not of interest 2020-09-29 12:15:42 -07:00
mrg d7e2340e62 Lots of PEP8 cleanup. Refactor path graph to simulation class. 2020-09-29 10:26:31 -07:00
mrg b2dab486fc Add draft of path exclusion calls 2020-09-28 16:05:21 -07:00
mrg 4a987bef9a Merge branch 'wlbuffer' into dev 2020-09-28 15:51:45 -07:00
mrg 159c04a25d Merge branch 'dev' of github.com:VLSIDA/PrivateRAM into dev 2020-09-28 15:51:35 -07:00
mrg 70c90ca7fb Replica bitcell array bbox to include unused WL gnd pins. 2020-09-28 14:49:33 -07:00
mrg 9c6d8d7aed Zjob to bottom. 2020-09-28 13:16:03 -07:00
mrg 5ab0d01779 Remove zjog and go with L shape. 2020-09-28 12:48:37 -07:00
mrg d65eb16513 Zjog the WL enable. Min driver is 1. 2020-09-28 12:24:55 -07:00
mrg 6f06bb9dd5 Create sized RBL WL driver in port_address 2020-09-28 11:30:21 -07:00
mrg 88731ccd8e Fix rounding error for wmask with various word_size 2020-09-28 09:53:01 -07:00
jcirimel 3dd72cdeac progress with rba pin mismatch 2020-09-23 08:37:32 -07:00
jcirimel 17e6e5eb16 row end col done 2020-09-23 08:02:56 -07:00
jcirimel 5c263e0001 rep col done w/o power pins 2020-09-23 06:24:52 -07:00
jcirimel 7afe3ea52c replica col arrangement done 2020-09-23 04:51:09 -07:00
jcirimel efdc171b14 make split wl specific to each port 2020-09-23 00:08:34 -07:00
jcirimel fb6a665514 removed references to technology name 2020-09-22 18:33:03 -07:00
jcirimel de33ab3761 fix single port bitcell pattern 2020-09-22 15:08:53 -07:00
mrg c7d32089f3 Create RBL wordline buffer with correct polarity. 2020-09-17 14:45:49 -07:00
jcirimel 559dfbc7a6 single port bitcell array done 2020-09-16 05:46:14 -07:00
mrg e7ad22ff69 Separate WL via from bitell array to avoid grounded WLs 2020-09-15 13:38:28 -07:00
mrg 5e94d76127 Make global bitline only as wide as needed rather than whole array 2020-09-15 13:24:38 -07:00
mrg aff3cd2aab Update length of control bus 2020-09-15 09:49:00 -07:00
jcirimel d22164bd48 single port progess 2020-09-14 18:11:38 -07:00
mrg f25b6ffa61 Make control bus height of port data 2020-09-14 15:42:17 -07:00
mrg 7b24d1f012 Use pins for write_driver dimensions 2020-09-14 14:42:28 -07:00
mrg 55dd4d0c47 Global bitcell array working 2020-09-14 14:35:52 -07:00
mrg deaaec1ede Fix width of write enable with spare columns 2020-09-14 13:09:45 -07:00
mrg c12720a93f Extend pin correct length in new array. 2020-09-14 12:53:59 -07:00
mrg e95ab66916 Update to space according to the bitcell array. 2020-09-14 12:05:45 -07:00
mrg 4482c63d6f Fix sense amp offset index error 2020-09-11 17:12:29 -07:00
mrg 8909ad7165 Update modules to use variable bit offsets. 
Bitcell arrays can return the bit offsets.
Port data and submodules can use offsets for spacing.
Default spacing for port data if no offsets given.
 2020-09-11 15:36:22 -07:00
mrg c58741c44f Updates to global array. 
Standardize bitcell array main array offsets.
Duplicate replica interface pins in global interface pins.
 2020-09-10 16:44:54 -07:00
mrg 9c762634a5 Change default options for replica_bitcell_array 2020-09-10 15:11:48 -07:00
mrg 71d86f88b0 Merge branch 'dev' into wlbuffer 2020-09-10 13:05:14 -07:00
mrg f2313d0c73 Use default names for replica_column too 2020-09-10 12:04:46 -07:00
mrg 3c0707e5d1 Consistents of bl x port then br x port 2020-09-09 13:38:13 -07:00
mrg 3062aba214 Fix update to exclude bits with RBLs 2020-09-09 13:03:05 -07:00
mrg 7bb21fb73f Updates to local and global arrays to make bitline and wordlines consistent. 2020-09-09 11:54:46 -07:00
mrg 1269bf6e16 Global bitcell working 2020-09-04 13:06:58 -07:00
Hunter Nichols 8bcbf005bf Merge branch 'dev' into characterizer_bug_fixes 2020-09-04 02:25:01 -07:00