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OpenRAM
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2,772 Commits 4 Branches 63 Tags 78 MiB
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675 Commits

Author SHA1 Message Date
Joey Kunzler 208c652653 added error for sky130 with invalid x mirroring (for lvs) 2020-06-19 13:59:33 -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 79b3b9a8b0 Switch input/output layers for predecodes 2020-06-15 10:06:04 -07:00
mrg 02352c35d7 Fix hard coded layer in wmask 2020-06-14 17:10:32 -07:00
mrg 78be9f367a Add brain-dead router pins to perimeter 2020-06-14 15:52:09 -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 e9780ea599 Add non-preferred directions for channel routes 2020-06-11 15:03:36 -07:00
mrg dff28a9997 Merge branch 'tech_migration' into dev 2020-06-10 17:09:05 -07:00
mrg bfd1abc79f Replica column pins start at 0 height. 2020-06-10 14:58:55 -07:00
mrg 157926960b Flip freepdk45 flop, dff_buf route layer change 2020-06-09 13:48:16 -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 300522a1a8 Change spare enable pins offset to lower right 2020-06-08 14:31:46 +00:00
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 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 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 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 3927c62e32 Undo extra space due to nwell spacing 2020-06-03 16:39:33 -07:00
mrg 3b1fe26d25 Spacing between decoder and driver for s8 2020-06-03 14:33:30 -07:00
Joey Kunzler 6430aad857 Merge branch 'dev' into s8_update 2020-06-03 11:53:33 -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 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
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
mrg 4b526f0d5f Check min size inverter. 2020-05-13 16:54:26 -07:00
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
mrg dd73afc983 Changes to allow decoder height to be a 2x multiple of bitcell height. 
Convert to use li layer in pgates.
Fix multifinger devices with li layers.
Simplify wordline driver input routing.
Fix power pin direction option update.
PEP8 cleanup
Changes to simplify metal preferred directions and pitches.
Split of control logic tests.
 2020-05-10 06:56:22 -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 2498ff07ea Merge branch 'dev' into bisr 2020-05-02 07:48:35 +00:00
Joey Kunzler 1b6634bb97 port data routing fix 2020-04-29 15:48:15 -07:00
Joey Kunzler 0bae652be9 fix merge conflicts 2020-04-23 11:51:46 -07:00
Joey Kunzler fed1c0bbe1 s8 col mux array 2020-04-22 16:22:34 -07:00
mrg 32576fb62c Convert wordline driver to pand2 rather than pnand2+pdriver 2020-04-22 13:27:50 -07:00
mrg f1c1adc9bd Simplify supply contacts in delay chain. 2020-04-21 16:12:54 -07:00
mrg 0f6998a1c5 PEP8 cleanup 2020-04-21 15:36:38 -07:00
mrg cd66ddb37c Add supply rails to dff array. PEP8 cleanup. 2020-04-21 15:21:29 -07:00
mrg f6135f3471 PEP8 formatting 2020-04-20 16:38:30 -07:00
mrg 7995451cbb PEP8 formatting 2020-04-20 14:45:18 -07:00
mrg 7f65176908 Configured bitline directions into prot_data 2020-04-20 14:23:40 -07:00
mrg 843e9414df Parameterize vdd and gnd pin in write driver array. 2020-04-16 11:28:35 -07:00
mrg 770533e7b1 Parameterize vdd and gnd pin in sense amp array. 2020-04-16 11:27:26 -07:00
mrg 9d2902de9e Conditional well spacing 2020-04-15 15:55:49 -07:00
mrg e95c97d7a5 PEP8 cleanup 2020-04-15 14:29:43 -07:00
mrg 331a4f4606 Fix wire width bug in short jogs. PEP8 cleanup. 2020-04-15 09:48:42 -07:00
mrg 0941ebc3da Fix well spacing issue 2020-04-14 14:08:07 -07:00
mrg 32d190b8b1 Jog connection on M1 for bank select. 2020-04-14 12:15:56 -07:00
mrg 43dcf675a1 Move pnand outputs to M1. Debug hierarchical decoder multirow. 2020-04-14 10:52:25 -07:00
Aditi Sinha 2661a42726 changes to support spare columns 2020-04-14 03:09:10 +00:00
mrg 2e67d44cd7 First pass of multiple bitcells per decoder row 2020-04-10 13:29:41 -07:00
mrg 7888e54fc4 Remove dynamic bitcell multiple detection. 
Check for decoder bitcell multiple in tech file or assume 1.
PEP8 fixes.
 2020-04-09 11:38:18 -07:00
mrg 8a55c223df Use single height for netlist_only mode 2020-04-09 09:48:54 -07:00
mrg 58fbc5351a Change rows to outputs in hierarchical decoder 2020-04-08 17:05:16 -07:00
mrg 0c27942bb2 Dynamically try and DRC decoder for height 2020-04-08 16:45:28 -07:00
Jesse Cirimelli-Low b59c789dec remove whitespace 2020-04-05 03:58:26 -07:00
Jesse Cirimelli-Low 8b33cb519f Merge branch 'dev' into custom_mod 2020-04-03 17:05:56 -07:00
mrg 2850b9efb5 Don't force check in lib characterization. PEP8 formatting. 2020-04-02 12:52:42 -07:00
mrg 5349323acd PEP8 cleanup. DRC/LVS returns errors. 2020-04-02 09:47:39 -07:00
mrg a9d3548be1 Refactor drc/lvs error output 2020-04-01 15:54:06 -07:00
Jesse Cirimelli-Low cdf0315a90 Merge branch 'dev' into custom_mod 2020-04-01 15:35:33 -07:00
mrg 7956b63d9f Add licon option to precharge 2020-04-01 11:26:45 -07:00
mrg d916322b74 PEP8 updates 2020-03-31 10:15:46 -07:00
Joey Kunzler b0d2946c80 update to sense amp and write driver modules 2020-03-30 20:00:32 -07:00
Jesse Cirimelli-Low 341bde7a48 Merge branch 'dev' into custom_mod 2020-03-26 02:40:37 -07:00
Aditi Sinha b75eeb7688 Merge branch 'dev' into bisr 2020-03-22 21:58:04 +00:00
mrg c5a1be703c Rotate via and PEP8 formatting 2020-03-06 13:39:46 -08:00
mrg 23501c7b35 Convert pnand+pinv to pand in decoders. 2020-03-06 13:26:40 -08:00
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 ad98137cd4 Merge branch 'dev' into tech_migration 2020-03-05 14:18:06 -08:00
mrg 9c1f0657dd PEP8 Formatting 2020-03-05 11:58:36 -08:00
mrg 7adeef6c9e PEP8 Formatting 2020-03-05 10:21:18 -08:00
mrg 287a31f598 Precharge updates. 
Enable different layers for bitlines.
Jog bitlines to fit precharge transistors for close proximity bitlines.
PEP8 cleanup.
 2020-03-04 17:39:11 -08:00
Joey Kunzler d7529ce526 Vdd/gnd via stacks now use perferred directions, added cell property to override 2020-03-04 17:05:19 -08:00
mrg 7ba9e09e12 Incomplete precharge layer decoupling 2020-03-04 22:23:05 +00:00