Commit Graph

942 Commits

Author SHA1 Message Date
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
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