77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
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# -*- coding: utf-8 -*-
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from Hurricane import DataBase
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from Hurricane import UpdateSession
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from Hurricane import DbU
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from Hurricane import Box
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import helpers
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from helpers import trace
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helpers.staticInitialization( quiet=True )
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helpers.setTraceLevel( 1000 )
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import Analog
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import ParamsMatrix
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import Stack
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import oroshi
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def checkCoherency ( args ):
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message = '<b>[ERROR] Transistor.checkCoherency():</b>\n'
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techno = DataBase.getDB().getTechnology()
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rules = oroshi.getRules()
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mMax = args.getW() / rules.transistorMinW
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if args.getM() > mMax:
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message += \
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' W/M ratio must be greater than transistor minimal width (%d)\n' \
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' Please increase W or decrease M.' \
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% rules['transistorMinW']
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return (False, message)
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return (True, "")
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def layout ( device, args, bbMode ):
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trace( 100, ',+', '\tWIP_Transistor.layout() called.\n' )
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nerc = device.getParameter( 'NERC' ).getValue()
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nirc = device.getParameter( 'NIRC' ).getValue()
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stack = Stack.Stack( device, nerc, nirc )
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bw = str(device.getParameter( 'B.w' ).getValue())
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dw = str(device.getParameter( 'D.w' ).getValue())
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gw = str(device.getParameter( 'G.w' ).getValue())
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sw = str(device.getParameter( 'S.w' ).getValue())
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diffMap = { 'D':'D', 'S':'S', 'Dw':dw, 'Sw':sw, 'Gw':gw, 'Bw':bw }
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if device.isSourceFirst():
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trace( 100, '\tUse sourceFirst.\n' )
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diffMap = { 'D':'S', 'S':'D', 'Dw':sw, 'Sw':dw, 'Gw':gw, 'Bw':bw }
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wirings = '{D}.b0.{Dw} G.t0.{Gw} {S}.b1.{Sw}'
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for i in range(device.getM() - 1):
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if i%2: wirings += ' G.t0.{Gw} {S}.b1.{Sw}'
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else: wirings += ' G.t0.{Gw} {D}.b0.{Dw}'
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for i in range(device.getExternalDummy()):
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wirings = 'B.bX.{Bw} B.bX.{Bw} ' + wirings
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wirings += ' B.bX.{Bw} B.bX.{Bw}'
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stack.setWirings( wirings.format( **diffMap ) )
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stack.doLayout ( bbMode )
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paramsMatrix = ParamsMatrix.ParamsMatrix()
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paramsMatrix.setGlobalParams( oroshi.toUnity(stack.w)
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, oroshi.toUnity(stack.L)
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, device.getM()
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, stack.boundingBox
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)
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paramsMatrix.setStacks( [ stack ] )
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trace( 100, '++' )
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paramsMatrix.trace()
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trace( 100, '---' )
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return paramsMatrix.getMatrix()
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