100 lines
3.3 KiB
Python
100 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
from Hurricane import DataBase
|
|
from Hurricane import UpdateSession
|
|
from Hurricane import DbU
|
|
from Hurricane import Box
|
|
import helpers
|
|
from helpers import trace
|
|
|
|
#helpers.setTraceLevel( 1000 )
|
|
|
|
try:
|
|
import Analog
|
|
import oroshi
|
|
import oroshi.paramsmatrix
|
|
import oroshi.stack
|
|
except Exception, e:
|
|
helpers.io.catch( e )
|
|
|
|
|
|
def checkCoherency ( device, bbMode ):
|
|
message = '[ERROR] CommonSourcePair.checkCoherency():\n'
|
|
|
|
techno = DataBase.getDB().getTechnology()
|
|
rules = oroshi.getRules()
|
|
|
|
W = device.getParameter( 'W' ).getValue()
|
|
M = device.getParameter( 'M' ).getValue()
|
|
mMax = W / rules.transistorMinW
|
|
if M > mMax:
|
|
message += \
|
|
' W/M ratio must be greater than transistor minimal width (%s)\n' \
|
|
' Please increase W or decrease M.' \
|
|
% DbU.getValueString(rules.transistorMinW)
|
|
return False, message
|
|
|
|
Mint = device.getParameter( 'Mint' ).getValue()
|
|
if Mint != 2:
|
|
message += ' For interdigitaded layout style, Mint *must* be equal to 2 (not %d)\n' % Mint
|
|
return False, message
|
|
|
|
return True, ''
|
|
|
|
|
|
def layout ( device, bbMode ):
|
|
|
|
trace( 100, ',+', '\tWIP_CSP.layout() called.\n' )
|
|
nerc = device.getParameter( 'NERC' ).getValue()
|
|
nirc = device.getParameter( 'NIRC' ).getValue()
|
|
|
|
stack = oroshi.stack.Stack( device, nerc, nirc )
|
|
|
|
bw = str(device.getParameter( 'B.w' ).getValue())
|
|
d1w = str(device.getParameter( 'D1.w' ).getValue())
|
|
d2w = str(device.getParameter( 'D2.w' ).getValue())
|
|
gw = str(device.getParameter( 'G.w' ).getValue())
|
|
sw = str(device.getParameter( 'S.w' ).getValue())
|
|
|
|
diffMap = { 'D1w':str(device.getParameter( 'D1.w' ).getValue())
|
|
, 'D2w':str(device.getParameter( 'D2.w' ).getValue())
|
|
, 'Sw' :str(device.getParameter( 'S.w' ).getValue())
|
|
, 'Gw' :str(device.getParameter( 'G.w' ).getValue())
|
|
, 'Bw' :str(device.getParameter( 'B.w' ).getValue())
|
|
}
|
|
|
|
M = device.getM()
|
|
remain = M % device.getMint()
|
|
westWirings = ''
|
|
eastWirings = ''
|
|
for i in range(device.getExternalDummy()):
|
|
westWirings = westWirings + 'B.bX.{Bw} B.bX.{Bw} '
|
|
eastWirings = ' B.bX.{Bw} B.bX.{Bw}' + eastWirings
|
|
if remain:
|
|
westWirings = westWirings + 'D1.t0.{D1w} G.b0.{Gw} '
|
|
eastWirings = ' G.b0.{Gw} D2.t3.{D2w}' + eastWirings
|
|
westWirings = westWirings + 'S.b1.{Sw} '
|
|
|
|
mintWirings = ''
|
|
for i in range( (M / device.getMint())*2 ):
|
|
if (i + remain) % 2: mintWirings += 'G.b0.{Gw} D2.t1.{D2w} G.b0.{Gw} S.b1.{Sw} '
|
|
else: mintWirings += 'G.b0.{Gw} D1.t0.{D1w} G.b0.{Gw} S.b1.{Sw} '
|
|
|
|
wirings = westWirings + mintWirings + eastWirings
|
|
|
|
stack.setWirings( wirings.format( **diffMap ) )
|
|
stack.doLayout ( bbMode )
|
|
|
|
paramsMatrix = oroshi.paramsmatrix.ParamsMatrix()
|
|
paramsMatrix.setGlobalTransistorParams( oroshi.toUnity(stack.w)
|
|
, oroshi.toUnity(stack.L)
|
|
, device.getM()
|
|
, stack.boundingBox
|
|
)
|
|
paramsMatrix.setStacks( [ stack ] )
|
|
trace( 100, '++' )
|
|
paramsMatrix.trace()
|
|
trace( 100, '---' )
|
|
|
|
return paramsMatrix.getMatrix()
|