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OpenRAM
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75 Commits

Author SHA1 Message Date
Michael Timothy Grimes b5df0cc30a Merging branch with PrivateRAM dev 2018-05-18 15:15:31 -07:00
Matt Guthaus 0e35937da5 Commit local changes. Forgot what the status is. 2018-05-11 09:15:29 -07:00
Michael Timothy Grimes 3971835f24 changed pbitcell_array tests in regards to addition of read/write ports in pbitcell 2018-05-10 09:40:43 -07:00
Matt Guthaus 875eb94a34 Move bank select below row decoder, col mux, or col decoder. 2018-04-23 12:17:16 -07:00
Matt Guthaus e04f53dc27 Rotate via 2018-04-23 09:18:34 -07:00
Matt Guthaus 269d553857 Move sense amp to tri gate routing to M3... not ideal. 2018-04-23 09:14:18 -07:00
Matt Guthaus cd502895c4 Undoing last change. 2018-04-23 08:48:50 -07:00
Matt Guthaus 8ce3809cad Divide index 2018-04-20 17:09:15 -07:00
Matt Guthaus ed76a784d2 Remove power rails and ring. 2018-04-20 15:51:19 -07:00
Matt Guthaus 19a957a57c Fix unattached label on sense amp out by changing layer. 2018-04-20 15:48:38 -07:00
Matt Guthaus d734c05b71 Fix missing vdd pins and fix routing between sense amp, bitcell array and column mux. 2018-04-20 15:47:21 -07:00
Matt Guthaus 929122b6dc Change default to scmos. Refactor add column mux. 2018-04-20 12:52:41 -07:00
Matt Guthaus c75eafe085 Fix some errors 2018-04-18 09:37:33 -07:00
Matt Guthaus 63a8f7c653 Remove m2 from write driver 2018-04-16 16:15:35 -07:00
Matt Guthaus bb1ec63c4f Removed msf data flop from bank 2018-04-16 16:03:46 -07:00
Matt Guthaus 1ba87c88f5 Remove supply rails in decoder 2018-04-16 15:59:52 -07:00
Matt Guthaus 13adfc3724 Add bank ground routing 2018-04-16 10:15:36 -07:00
Matt Guthaus 3fe4578feb Change stages of delay to odd 2018-04-16 10:15:15 -07:00
Matt Guthaus 70c92c27ef Supply to M3 for bank select logic 2018-04-11 16:55:09 -07:00
Matt Guthaus 010a187545 Remove dead logic 2018-04-11 16:54:55 -07:00
Matt Guthaus e038561b4a Move supply to M3 in wordline driver 2018-04-11 16:23:45 -07:00
Matt Guthaus 6640d3491d Tri gate and array supply to M2 and M3 2018-04-11 15:11:47 -07:00
Matt Guthaus 1e36e8e20c Fix ms_flop array for M3 supplies 2018-04-11 14:25:04 -07:00
Matt Guthaus 873be38e15 Add M3 pins on dff_buf array 2018-04-11 12:09:15 -07:00
Matt Guthaus 4971dde316 Rename pin variable 2018-04-11 12:08:57 -07:00
Matt Guthaus fa59b3d33d Copy predecoder supply pins 2018-04-11 11:56:41 -07:00
Matt Guthaus 1afb0a1d86 Add M3 supply vias to decoder. 2018-04-11 11:47:37 -07:00
Matt Guthaus 3ba90c035f Don't bring M2 rails over supply to allow supply connections. 2018-04-11 11:47:22 -07:00
Matt Guthaus f3baf48c22 Rotate vias in hierarchical predecodes 2018-04-11 11:12:32 -07:00
Matt Guthaus 424eb17921 Add M3 pins to hierarchical predecodes 2018-04-11 11:10:34 -07:00
Matt Guthaus 4f8ab78ee2 Change write driver supply pins to M2 2018-04-11 09:29:54 -07:00
Matt Guthaus a6c2e77bcf Move precharge and column mux cells to pgate directory. 
Move gnd to M3 in column mux.
Create column mux cell unit test.
 2018-04-06 17:15:14 -07:00
Matt Guthaus 91e342e4c9 Move precharge vdd pin to left edge. 2018-04-04 15:03:29 -07:00
Matt Guthaus a772217172 Route precharge_array vdd in M3 2018-04-04 13:49:55 -07:00
Matt Guthaus f9916f9f43 Route precharge vdd to M3 2018-04-04 13:34:56 -07:00
Michael Timothy Grimes 7f46a0dead merging changes in bitcell.py 2018-04-03 09:46:12 -07:00
Matt Guthaus a0bf5345f8 Mostly working for 1 bank. 2018-03-23 08:14:26 -07:00
Matt Guthaus 97c08bce95 Add dffs to control logic. Rename layout pin segment/rect functions for consistency. Redo gnd/vdd pins in control. 
Shift s_en buffers even with other cells.
 2018-03-23 08:14:09 -07:00
Matt Guthaus 696433b1ec Add bank_sel to bank_select module as input. 
Remove reference to control in sram.
Add dff_buf_array to options.
Added inverted DFF
Add variable height pinvbuf
 2018-03-23 08:13:39 -07:00
Matt Guthaus 5bf915a232 Detect via size for power ring. 2018-03-23 08:13:28 -07:00
Matt Guthaus ed2fa10caa Use LSB for column mux. 
Detect via size for power ring.
 2018-03-23 08:13:20 -07:00
Matt Guthaus bab92fcf38 Rework hierarchical decoder to not be folded. Remove address from central bank bus and access via side pins now. Eight way column mux now works. 2018-03-23 08:13:20 -07:00
Matt Guthaus 1f81b24e96 Single bank passing DRC and LVS again. 
Unfold hierarchical decoder to improve routability.
 2018-03-23 08:13:10 -07:00
Matt Guthaus b867e163a6 Move label pins to center like layout pins. 
Rework of control logic with vertical poly. Passes DRC/LVS.
Single bank passing DRC.
 2018-03-23 08:12:59 -07:00
Matt Guthaus 8ca9ba4244 Recreate delay chain and RBL to have vertical poly only. 2018-03-23 08:12:47 -07:00
Matt Guthaus ed8eaed54f Reworking control logic for veritcal poly. Rewrote delay line. Rewrote buffered-DFF array. 2018-03-23 08:12:47 -07:00
Matt Guthaus c020d74f26 Add dff_buf and dff_array modules. 2018-03-23 08:11:51 -07:00
Michael Timothy Grimes 0cc077598e Added member functions to bitcell.py and pbitcell.py for use in bitcell_array.py. bitcell_array now used only one function for every type of bitcell. 2018-03-15 12:02:38 -07:00
Michael Timothy Grimes 65735c08e2 fixed bitcell_array to work with different sized pbitcells, changed sizing in pbitcell to minimize space between inverters 2018-03-08 16:39:26 -08:00
Michael Timothy Grimes 0ea5d0b6a7 making changes to bitcell_array to account for the addition nets from the multiported bitcells 2018-03-06 17:03:21 -08:00