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OpenRAM
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23 Commits

Author SHA1 Message Date
Matt Guthaus dd7069dd98 Remove print statement 2018-07-25 15:51:48 -07:00
Matt Guthaus d6df215718 Always use m2_pitch as default for channel for via spacing rules 2018-07-25 15:47:11 -07:00
Matt Guthaus 6d71c3f790 Fix bug to remove pin from conflicts in addition to graph keys 2018-07-25 15:36:16 -07:00
Matt Guthaus 7c254d540d Change channel route api to use pin maps instead of an insteads for cases where there are multiple instances that have the pins (e.g. decoders) 2018-07-25 11:37:06 -07:00
Matt Guthaus f7a2766c29 First draft of naive channel route in hierarchy_layout. It doesn't implement horizontal conflicts or try to minimize the number of channels. 2018-07-25 11:13:30 -07:00
Matt Guthaus 48d3b25b74 Rotate the output pins of the control logic. Need to fix this permanently. 2018-07-24 14:26:01 -07:00
Matt Guthaus 45a53ed089 Rotate via in center for freepdk 2018-07-19 14:01:48 -07:00
Matt Guthaus 51958814a0 Fixing power via problems in freepdk45 2018-07-19 10:23:08 -07:00
Matt Guthaus e82f97cce1 Add create_bus and connect_bus api 2018-07-17 14:23:29 -07:00
Matt Guthaus ac22b1145f Convert bank to use create_bus routines. 
Modify control logic to have correct offset in SRAM.
 2018-07-16 14:13:41 -07:00
Matt Guthaus 77e786ae5e Fix bug in recomputing boundary with a new offset 2018-07-16 13:46:12 -07:00
Matt Guthaus 3bbb604504 Add new power supplies to delay chain 2018-07-16 10:19:52 -07:00
Matt Guthaus f3ae29fe0b Getting single bank to work reliably. Removed tri_gate from bank 
for now. Will add it in multibank arrays only. Not needed for
separate DIN and DOUT ports.
 2018-07-13 14:45:46 -07:00
Matt Guthaus 25cf57ede5 Push create bus functions down into layout class. 2018-07-10 10:06:59 -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 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 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 ed8eaed54f Reworking control logic for veritcal poly. Rewrote delay line. Rewrote buffered-DFF array. 2018-03-23 08:12:47 -07:00
Matt Guthaus 242a1a68e0 Fix duplicate instance gds output bug that only showed up in Magic extraction. Every time we saved a GDS, additional instances were put in the GDS file. Most extraction tools ignored this, but Magic actually extracted duplicates. 2018-03-02 18:05:46 -08:00
Matt Guthaus 15747b4759 Merge branch 'dev' of github.com:mguthaus/OpenRAM into dev 2018-02-09 10:25:28 -08:00
Matt Guthaus 7100d6f904 Organize top-level files into subdirs. 2018-02-09 10:25:24 -08:00