Commit Graph

441 Commits

Author SHA1 Message Date
Matt Guthaus 53d0544291 Minor cleanup and additional assertion checking. 2019-08-21 08:50:12 -07:00
jsowash 71af70a636 Moved pwr/gnd vias and corrected width boundary. 2019-08-20 09:14:23 -07:00
jsowash 316132a33c Sized inverter for number of driven write drivers. 2019-08-19 13:31:49 -07:00
jsowash c19bada8df Performed clean up and added comments. 2019-08-19 08:57:05 -07:00
jsowash a28c9fed8b Fixed bug for more than 2 wmasks and changed test to test 4 wmasks. 2019-08-16 14:27:44 -07:00
jsowash d02ea06ff2 Added method to route between the output of wmask AND array and en of write driver. 2019-08-16 14:12:41 -07:00
jsowash aaa1e3a614 Added change to route wmask en between driver and AND gates. Need to apply it to all cases. 2019-08-16 10:23:51 -07:00
jsowash 92e0671e15 Removed DRC error with AND array in freepdk45 and moved pin on en_{} pin in port data. 2019-08-15 12:36:17 -07:00
jsowash 858fbb062d Placed wmask dff and added connections for wmask pins. 2019-08-14 11:45:22 -07:00
jsowash 0d7170eb95 Created wmask AND array en pin to go through to top layer. 2019-08-14 09:59:40 -07:00
jsowash aa4803f3c4 Increased enable pin's width for larger # of column mux ways. 2019-08-11 15:25:05 -07:00
jsowash 2573b5f48b Fixed merge conflict. 2019-08-11 14:39:36 -07:00
jsowash d259efbcda Connected wdriver_sel between write_mask_and_array and write_driver_array. 2019-08-11 14:33:08 -07:00
Matt Guthaus e5618b88af Don't add sense amp to write only port. Fix write_and None define. 2019-08-11 08:46:36 -07:00
Matt Guthaus 6cf7366c56 Gate sen during first half period 2019-08-10 16:30:02 -07:00
Matt Guthaus 8d6a4c74e7 Merge branch 'dev' into control_fix 2019-08-10 13:07:30 -07:00
Matt Guthaus 34d28a19e6 Connect wl_en in all ports to bank. 2019-08-10 12:30:23 -07:00
Matt Guthaus bac684a82a Fix control logic routing. 2019-08-10 08:53:02 -07:00
jsowash d5e331d4f3 Connected en together in write_mask_and_array. 2019-08-09 14:27:53 -07:00
Hunter Nichols 1d22d39667 Uncommented tests that use model delays. Fixed issue in sense amp cin. 2019-08-08 18:26:12 -07:00
jsowash 49fffcbc92 Added way to determine length of en pin with wmask in write_driver_array and shortened en to width of driver. 2019-08-08 15:49:23 -07:00
Hunter Nichols d273c0eef5 Merge branch 'dev' into analytical_cleanup 2019-08-08 13:20:27 -07:00
jsowash 0cfa0ac755 Shortened write driver enable pin so that a write mask can be used without a col mux in layout. 2019-08-08 12:57:32 -07:00
jsowash 59e5441aef Added write mask to write driver array 2019-08-08 08:46:58 -07:00
Hunter Nichols 3c44ce2df6 Replaced analytical characterization with graph implementation. Removed most analytical delay functions used by old chacterizer. 2019-08-08 02:33:51 -07:00
Hunter Nichols fc1cba099c Made all cin function relate to farads and all input_load relate to relative units. 2019-08-08 01:57:04 -07:00
Matt Guthaus d36f14b408 New control logic, netlist only working 2019-08-07 17:14:33 -07:00
jsowash 9409f60237 Merge branch 'dev' into add_wmask 2019-08-07 09:42:55 -07:00
jsowash abb9af0ea8 Added layout pins for wmask_and_array 2019-08-07 09:33:19 -07:00
jsowash a6bb410560 Begin implementing a write mask layout as the port data level. 2019-08-07 09:12:21 -07:00
Hunter Nichols 6860d3258e Added graph functions to compute analytical delay based on graph path. 2019-08-07 01:50:48 -07:00
Matt Guthaus ae46a464b9 Undo delay changes. Fix bus order for DRC. 2019-08-06 17:17:59 -07:00
Hunter Nichols 2ce7323838 Removed all unused analytical delay functions. 2019-08-06 17:09:25 -07:00
Matt Guthaus a2f81aeae4 Combine rbl_wl and wl_en. Size p_en_bar slower than wl_en. 2019-08-06 16:29:07 -07:00
Hunter Nichols 2efc0a3983 Merge branch 'dev' into analytical_cleanup 2019-08-06 14:51:30 -07:00
Matt Guthaus ad35f8745e Add direction to pins of all modules 2019-08-06 14:14:09 -07:00
Matt Guthaus 4d11de64ac Additional debug. Smaller psram func tests. 2019-08-05 13:53:14 -07:00
jsowash a4a72a9639 Merge branch 'dev' into add_wmask 2019-08-01 13:49:52 -07:00
Matt Guthaus 7ba97ee0ba Fix missing port in control logic 2019-08-01 12:42:51 -07:00
Matt Guthaus 8771ffbfed Fix bug to add all p_en_bar to banks 2019-08-01 12:28:21 -07:00
Matt Guthaus ff64e7663e Add p_en_bar to write ports as well 2019-08-01 12:21:43 -07:00
jsowash 9819b5356e Merge branch 'dev' into add_wmask 2019-07-31 14:43:48 -07:00
jsowash 774f08da51 Added layout pins to and test for write_mask_and_array. 2019-07-31 14:11:37 -07:00
Hunter Nichols 24b1fa38a0 Added graph fixes to handmade multiport cells. 2019-07-30 20:31:32 -07:00
Matt Guthaus 98878a0a27 Conditionally path exclude 2019-07-27 12:14:00 -07:00
Matt Guthaus 5cb320a4ef Fix wrong pin error. 2019-07-27 11:44:35 -07:00
Matt Guthaus 468a759d1e Fixed control problems (probably)
Extended functional tests for 15 cycles (slow, but more checking)
Fixed s_en to be gated AFTER the RBL.
2019-07-27 11:09:08 -07:00
Matt Guthaus 52029d8e48 Fix incorrect port_data BL pin name. 2019-07-27 06:11:45 -07:00
Matt Guthaus 179efe4d04 Fix bitline names in merge error 2019-07-26 22:03:50 -07:00
Matt Guthaus e750ef22f5 Undo some control logic changes. 2019-07-26 21:41:27 -07:00