Matt Guthaus
f34c4eb7dc
Convert entire OpenRAM to use python3. Works with Python 3.6.
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Major changes:
Remove mpmath library and use numpy instead.
Convert bytes to new bytearrays.
Fix class name check for duplicate gds instances.
Add explicit integer conversion from floats.
Fix importlib reload from importlib library
Fix new key/index syntax issues.
Fix filter and map conversion to lists.
Fix deprecation warnings.
Fix Circuits vs Netlist in Magic LVS results.
Fix file closing warnings.
2018-05-14 16:15:45 -07:00
Matt Guthaus
0e35937da5
Commit local changes. Forgot what the status is.
2018-05-11 09:15:29 -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.
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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
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.
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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.
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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.
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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.
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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.
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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
Matt Guthaus
a2514878c1
Simplify dff array names of 1-dimension. Add ports on metal2.
2018-03-05 16:22:35 -08:00
Matt Guthaus
54f245cb9f
Fix capitalization of pins in dff_array
2018-03-05 14:04:34 -08:00
Matt Guthaus
4205a6a700
Connect bank supply rings in sram.py.
2018-03-05 13:49:22 -08:00
Matt Guthaus
0c203c1c7e
RBL width is max of delay chain or bitcell load.
2018-03-05 10:23:13 -08:00
Matt Guthaus
98fb1173df
Move bank select logic to a self contained module.
2018-03-05 10:22:51 -08:00