i A PHYSICAL IMPLEMENTATION WITH CUSTOM LOW POWER ...

set FLAG 0
set PINS_PER_BANK 1
set X_LOC [expr {$LEFT_OFFSET_TOP +$CHIP_OFFSET - $INPUT_PIN_SPACING}]
set BANK_NO
19
for {set i $PIN_COUNT} { $i > -1} {decr i 1} {
if {$PINS_PER_BANK == 33} {
set TEMP_X_LOC [expr { $X_LOC +$INPUT_PIN_SPACING} ]
set
PIN_NAME "l_dout_bus_big\\\[$BANK_NO\\\]"
puts $PIN_NAME
preassignPin mux_instance $PIN_NAME
-loc $TEMP_X_LOC $Y_LOC -layer 2
decr BANK_NO 1
if {$FLAG == 0} {
set
X_LOC [expr $X_LOC - {31*$INPUT_PIN_SPACING} + $DOUT_BANK_SPACING +
$ INTER_MUX_DISTANCE_MIN]
set FLAG 1
} else {
set X_LOC [expr
$X_LOC - {31*$INPUT_PIN_SPACING} + $DOUT_BANK_SPACING +
$INTER_MUX_DISTANCE_MAX]
set FLAG 0
}
set PINS_PER_BANK
2
} else {
set X_LOC [expr {$X_LOC + $INPUT_PIN_SPACING}]
incr PINS_PER_BANK 1
}
set PIN_NAME "dout_bus_big\\\[$i\\\]"
puts "$PIN_NAME"
preassignPin mux_instance $PIN_NAME -loc $X_LOC $Y_LOC -layer 2
}
set X_LOC [expr {$X_LOC + $ INPUT_PIN_SPACING}]
set PIN_NAME
"l_dout_bus_big\\\[0\\\]"
puts $PIN_NAME
preassignPin mux_instance $PIN_NAME
-loc $X_LOC $Y_LOC -layer 2
set X_LOC
0
# The Y location is set so that
the pin is assigned near the top
set DIE_HEIGHT 103.2
set CLEARANCE
[expr "50.4 + 1.2"]
set Y_LOC [expr {$DIE_HEIGHT - $CLEARANCE}]
set VERT_PIN_SPACING 0. 4
set NUMBER_OF_MODULES 20
set X_LOC 0
set COUNT [expr {(($ NUMBER_OF_MODULES *6)-1)}]
for {set i $COUNT} {$i > -1} {decr i 1} {
set PIN_NAME "sel_mux_bus_big\\\[$i\\\]"
puts "$PIN_NAME"
preassignPin mux_instance $PIN_NAME -loc $X_LOC $Y_LOC -layer 5
set Y_LOC [expr $Y_LOC - $VERT_PIN_SPACING]
}
180