From 4b75e49302ac5357f3f5054f0b8368215337b2b8 Mon Sep 17 00:00:00 2001
From: Matt Guthaus <mrg@ucsc.edu>
Date: Thu, 1 Aug 2019 08:59:41 -0700
Subject: [PATCH] Remove unnecessary footer in write driver

---
 .../scn4m_subm/gds_lib/write_driver.gds       | Bin 11484 -> 10204 bytes
 .../scn4m_subm/mag_lib/write_driver.mag       |  29 ++++--------------
 technology/scn4m_subm/sp_lib/write_driver.sp  |   5 ++-
 3 files changed, 8 insertions(+), 26 deletions(-)

diff --git a/technology/scn4m_subm/gds_lib/write_driver.gds b/technology/scn4m_subm/gds_lib/write_driver.gds
index 1f9274ac7ef3ec3b246ba7fcd29ea8c597cf71ce..63bf58d2d6f921b243ba1f25395427be28429454 100644
GIT binary patch
delta 287
zcmcZ;dB<OgfsKKQftf*uk%^(4frEh&h^-j(kl3aZm9#~%N^DF@W8Cb))WEozgXI9@
z<_@+4%!@s^nKyUv9bnnqA>6_|xko}k$aV(<1IG*o1{iG;F<DRi*5(ru4J>M08Vn4z
z3=9n1Ks7MBZUO@XNE}AjGHlM1m13IQq2MstLs3L%N&y1{X95EQj4o)HyiR`B;uDG-
zY9Qen3kC+B1_WIn0Z|U4Yb-Xu)9hfHJWt1Ba*4Kx6xRo!)h8G@B-zsQQWzLm1c8_x
Hh*=l_NJu-K

delta 1058
zcmZvav2W8*7{t$sNkSV+nxr&MqKI0>MM8=?P}Kwc4Rkb2h=H-n(!`-DNvjA&>H>Nl
zPzL4>$SU&Ev17;1QHG8cgJ(wG`Srs>Fhswn@7;HHd^dkJf9)WL46<li8T4Rd6-8`f
z{qDS^?^eG!&sP3>@#Ecl%UyU141M6yS;|ju0nUX(U&U6->E9TckZbvCvqtuBqR^UJ
zF3<a0z)~qCcZ|kxe=BNdXO_Eo0UTZdE47qkz0bMu@Jj97YdHrUBNKA%zJ62TK_`)Q
zFM;9+5K>N=uzMNB_AKi@_zoNgz{3|Q#|40M;c=ka3ymkIMp4;FNyW0B3#rW46Vrib
zOoe<unhFP=m{LJgAr&+g4!kHV)U!!Oy@~lK!hX$UB<xM1aB*h;$#YG64Sj$d-5RZM
z=tp~{Z&_z2FmvI{3!v~75bo$dRh>CC51@orLRxcfsD4%)XInpo5+S8@6K>zCxY923
znq%Q}KZ>hU+b!$df?c4he?qo~b78O>g=_VU%REm?CTHR4UCzRjl4>`n$@gH9iX&4f
zk}K@DaD1)8#+yWXbZ$x}<SM1YqjMEE{_Wz&&!%KT-Nm@kE=%WxoskM3w;X23!V7u5
r{L567WR}f(!8PZ<wI9xmR;ab{#w3%gXwQC4&0R-zH@#dQux<PX^55G{

diff --git a/technology/scn4m_subm/mag_lib/write_driver.mag b/technology/scn4m_subm/mag_lib/write_driver.mag
index 9144f9d2..7cabcd93 100644
--- a/technology/scn4m_subm/mag_lib/write_driver.mag
+++ b/technology/scn4m_subm/mag_lib/write_driver.mag
@@ -1,6 +1,6 @@
 magic
 tech scmos
-timestamp 1556015973
+timestamp 1564675126
 << nwell >>
 rect -3 101 37 138
 rect -3 0 37 51
@@ -10,7 +10,6 @@ rect -3 51 37 101
 << ntransistor >>
 rect 9 178 11 190
 rect 17 178 19 190
-rect 15 163 27 165
 rect 9 144 11 148
 rect 17 144 19 148
 rect 10 82 12 89
@@ -31,10 +30,6 @@ rect 8 178 9 190
 rect 11 178 12 190
 rect 16 178 17 190
 rect 19 178 20 190
-rect 15 165 27 166
-rect 15 162 27 163
-rect 12 158 15 161
-rect 12 156 16 158
 rect 8 144 9 148
 rect 11 144 12 148
 rect 16 144 17 148
@@ -71,8 +66,6 @@ rect 3 35 7 38
 rect 4 178 8 190
 rect 12 178 16 190
 rect 20 178 24 190
-rect 15 166 27 170
-rect 15 158 27 162
 rect 4 144 8 148
 rect 12 144 16 148
 rect 20 144 24 148
@@ -95,7 +88,6 @@ rect 11 38 15 45
 rect 19 38 23 45
 rect 27 38 31 45
 << psubstratepcontact >>
-rect 12 152 16 156
 rect 26 82 30 89
 << nsubstratencontact >>
 rect 12 118 16 122
@@ -109,8 +101,6 @@ rect 9 176 11 178
 rect 17 173 19 178
 rect 6 171 19 173
 rect 6 168 8 171
-rect 13 163 15 165
-rect 27 163 33 165
 rect 9 148 11 150
 rect 17 148 19 150
 rect 9 132 11 144
@@ -133,12 +123,9 @@ rect 18 89 20 90
 rect 10 81 12 82
 rect 10 79 13 81
 rect 2 71 3 75
-rect 11 71 13 79
+rect 11 67 13 79
 rect 18 79 20 82
 rect 18 77 23 79
-rect 31 71 33 163
-rect 11 69 33 71
-rect 11 67 13 69
 rect 8 65 13 67
 rect 8 64 10 65
 rect 16 64 18 66
@@ -164,13 +151,9 @@ rect 15 10 19 14
 rect 5 193 10 197
 rect 5 190 8 193
 rect 32 182 33 186
-rect 13 170 16 178
-rect 13 166 15 170
 rect 4 148 8 164
-rect 12 158 15 162
-rect 12 156 16 158
-rect 23 157 27 158
-rect 12 148 16 152
+rect 12 163 16 178
+rect 12 148 16 159
 rect 4 132 8 144
 rect 20 142 24 144
 rect 30 142 33 182
@@ -199,7 +182,7 @@ rect 11 24 36 28
 << m2contact >>
 rect 10 193 14 197
 rect 20 190 24 194
-rect 23 153 27 157
+rect 12 159 16 163
 rect 16 118 20 122
 rect 26 89 30 90
 rect 26 86 30 89
@@ -220,7 +203,7 @@ rlabel m2contact 21 66 21 66 1 gnd
 rlabel m2contact 28 88 28 88 1 gnd
 rlabel m2contact 21 33 21 33 1 vdd
 rlabel m2contact 18 120 18 120 1 vdd
-rlabel m2contact 25 155 25 155 1 gnd
 rlabel metal2 12 201 12 201 5 bl
 rlabel metal2 22 201 22 201 5 br
+rlabel m2contact 14 161 14 161 1 gnd
 << end >>
diff --git a/technology/scn4m_subm/sp_lib/write_driver.sp b/technology/scn4m_subm/sp_lib/write_driver.sp
index d1dbf9b2..e86da288 100644
--- a/technology/scn4m_subm/sp_lib/write_driver.sp
+++ b/technology/scn4m_subm/sp_lib/write_driver.sp
@@ -28,9 +28,8 @@ M_14 din_gated_bar din_gated gnd gnd n W=0.8u L=0.4u
 
 ************************************************
 * pull down with en enable
-M_15 bl din_gated_bar net_5 gnd n W=2.4u L=0.4u
-M_16 br din_bar_gated_bar net_5 gnd n W=2.4u L=0.4u
-M_17 net_5 en gnd gnd n W=2.4u L=0.4u
+M_15 bl din_gated_bar gnd gnd n W=2.4u L=0.4u
+M_16 br din_bar_gated_bar gnd gnd n W=2.4u L=0.4u