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Wednesday December 5, 2014Abigail Jacoby

Matthew D. Scarborough

Telmo Diez

ECE 321 PROJECT2-to-1 M!t"#!e$er Des"%n

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Index

&' Project goals&&' List of Figures

&&&' List of Tables&(' Design Requirements(' L-edit Procedure(&' L-Edit Layout and Design(&&' PSPIE Procedure(&&&'Results&)' Inter!retation and onclusions

)' "or# Distribution)&' $ac#ground and References

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I% Project &oals

&n t/"s #roect e are ased to des"%n and !ayot a 2-to-1 M!t"#!e$er'

M!t"#!e$ers are sed as ana!o% and d"%"ta! s"tc/' P!s t/ey are eycom#onents "n CMO data treatment and memory' &n order to com#!ete t/"stas, e /ae to #t "n #ract"ce or no!ed%e "n -ed"t and PP&CE to des"%n

an o#t"mm M!t"#!e$er or #oer, area and de!ay' ."rst o a!!, e are %o"n% toe$#!a"n t/e re6"rements or t/e #roect' +e$t, e are %o"n% to s/o t/eor e d"d "t/ -ed"t, "nc!d"n% sc/emat"cs, !ayot and d"mens"ons' ."na!!y,e are %o"n% to stdy t/e s"m!at"on e d"d "n PP&CE and e$tract some

conc!s"ons' T/e re#ort "!! "nc!de 7%res, sc/emat"cs, tab!es, a ord"str"bt"on tab!e and a b"b!"o%ra#/y'

Figure '( )-to-' *ulti!lexer $loc# Diagram

&&' List of Figures- Figure '( )-to-' *ulti!lexer $loc# Diagram- Figure )( )-to-' *ulti!lex transmission gates- Figure +( S*,S Layout Rule- cti.e- Figure /( Designed )-to-' *ulti!lexer in L-Edit- Figure 0( *,S !rocess layers in layout tools- Figure 1( *,S !rocess layers in layout tools- Figure 2( 3' "orst ase S4itc5ing Energy

- Figure 6( 3$ "orst ase S4itc5ing Energy- Figure 7( 3) "orst ase S4itc5ing Energy- Figure '8( 3$ "orst ase S4itc5ing Energy- Figure ''( t!5l4a.eform- Figure ')( t!l54a.eform- Figure '+( 3ca! 4a.eform- Figure '/( 3ca!$4a.eform- Figure '0( 3ca!3S4a.eform

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- Figure '1( 38R4a.eform- Figure '2( 38R$4a.eform

&&&' List of Tables

- Table '( Layout area9 measured s4itc5ing energy9 and measured delay%- Table )( ell 5aracteri:ation 3alue

&(' Design Requirements

T/e des"%n o t/e re6"red m!t"#!e$er /as a ser"es o re6"rements t/at e may

accom#!"s/' &n t/e b"b!"o%ra#/y e may 7nd t/e reerence o t/e mode! e sed to

be%"n'

Figure )( )-to-' *ulti!lex transmission gates

T/en e /ad to des"%n t/"s mode! "n -ed"t' We /ae been #ro"ded "t/ an -ed"tstdent ers"on, des"%n r!es, !ayer de7n"t"ons, an -ed"t %"de and a #roessor

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e$am#!e' &n order to des"%n an o#t"mm M!t"#!e$er, e /ad to res#ect some des"%nr!es t/at /ae been %"en to s' T/e r!es are a standard 2m #rocess rom MO&"t/ 2 meta! !ayers' Once e /ae 7n"s/ed des"%n"n% or M$, e /ad to create aP&CE 7!e to e$tract or des"%n "nto PP&CE and #erorm a s"m!at"on' We sedPP&CE trans"stor mode! to de7ne MO.ETs and added an "n#t o!ta%e andcommand to #erorm t/e s"m!at"on' P!s e are s##osed to #ro"de a sc/emat"c

done "n Poer Po"nt c/emat"c Tem#!ate' 8!so, e may se a 5( #oer s##!y and a100. !oad ca#ac"tor "n t/e ot#t'

(' L-edit !rocedure

et9s no tae a !oo to t/e -ed"t #art' &n t/"s #art e are !oo"n% to des"%n an

o#t"mm 2-to-1 M!t"#!e$er or area, #oer and de!ay' T/e c/aracter"st"cs o a %ood

!ayot are t/e o!!o"n%' 8 %ood !ayot mst be dense: ce!!s /ae to #ac # e!!to%et/er' +e$t, e need a %ood #erormance /"c/ "s done by ee#"n% t/e

ca#ac"tances !o and "nterconnects s/ort' 8!so "t mst be re!"ab!e' T/"s "s %"en or

e$am#!e by s"n% a #ro#er "dt/ "n #oer ra"!s' ."na!!y e /ae to do 7na! c/ecs'

ayot /as to matc/# "t/ t/e c"rc"t be"n% b"!t, and t/e !ayot /as to res#ect t/emanactr"n% des"%n r!es'

T/e des"%n r!e c/ec"n% "s one o t/e most "m#ortant #arts "n t/e des"%n becase

e /ae to 7nd t/e ma$"mm dens"ty and #erormance res#ect"n% t/e des"%n r!es'o 7nd"n% t/e d"mens"ons as a de!"cate ob becase "t as 7nd"n% t/e e6"!"br"m

beteen t/e /"%/ dens"ty and !o area and t/e des"%n r!es' Once e /ae t/e

d"mens"ons 7%red ot e can do t/e c"rc"t "n -ed"t s"n% t/e d"mens"ons econs"der e;c"ent'

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Figure +( S*,S Layout Rule- cti.e

o, "n -ed"t, "t/ t/e mode! t/at e ond on!"ne e des"%ned t/e 2 to 1 M*) "t/

or no!ed%e, #roessor demo and t/e -Ed"t /e!# %"de'

(&' L-Edit Layout and Design

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Figure /( Designed )-to-' *ulti!lexer in L-Edit

Dens"ty> ?1'3@@4A

Figure 0( *,S !rocess layers in layout tools

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(&&' PSPIE !rocedure

."rst o a!! e /ae to e$tract t/e PP&CE 7!e rom -ed"t' Once t/e 7!e "s created,s"n% PP&CE trans"stor mode!, e are %o"n% to #erorm t/e s"m!at"ons add"n%

commands and an "n#t o!ta%e'

&n %enera!, eac/ e$erc"se as #erormed by read"n% t/e "nstrct"ons or /at to ty#e"nto t/e PP&CE net!"st, sa"n% t/e 7!e as a 'c"r 7!e, "m#ort"n% t/e 7!e "nto t/e

s"m!at"on ed"tor by c/oos"n% t/e 7!e dro#don men and se!ect"n% t/e c"rc"t 7!e "n

6est"on' 8ter, t/e s"m!at"on as rn and any errors "n t/e net!"st ere corrected,

and t/e ot#t 7!e as o#ened t/ro%/ t/e PP&CE #ro%ram "n t/e same "ndo as

t/e net!"st' To sae eac/ ot#t 7!e, t/e dro#don #r"nt command as se!ected, and

t/e 7!e as #r"nted to cte#d'

&n order to #erorm t/e s"m!at"ons e d"d a ser"es o t/"n%s' ."rst o a!! e #t

#!ses to t/e c!oc' 8!so e sed stat"c DC o!ta%es' T/en e tested or s"m!at"on

"t/ beteen 0( and 5('

+e$t, an a##ro#r"ate trans"ent ana!ys"s t"me as determ"ned to rn t/e s"m!at"on

so t/at an ot#t %ra#/ co!d s/o t/e o#erat"on o t/e c"rc"t "n "ts ent"rety' ."na!!y

t/e net!"st as "n#t "nto PP&CE as s/on "n 7%re B=

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Figure 1( *,S !rocess layers in layout tools

We ere a!so ased to t/e orst case s"tc/"n% ener%y' .or t/e s"tc/"n% ener%y ecan obta"n "t by to ays=

E$#ort t/e Crrent across C1 /en "t "s s"tc/"n% on or o /"c/eer /as t/e

/"%/est crrent c/an%e "t/ t/e "nte%ra! E > (ddF 0

t1

Idd(t)dt ' & /ae set # t/e

%ra#/ so t/at t/e ot#t "s t/e ca#ac"tor o!ta%e and t/e crrent across "t, so t/ecrrent o!d need to be e$#orted some/o #robab!y "nto mat!ab and &9m not sre

/o to do t/at rea!!y'

T/e second met/od "s to 7nd t/e aera%e crrent oer t/e #er"od T /ere t/e

crrent "s s"tc/"n%, t/en m!t"#!y t/"s by t/e t"me "n t/e #er"od, t/en 7na!!ym!t"#!y t/"s a!e by (dd, t/"s "!! a!so %"e t/e s"tc/"n% ener%y' (dd "n or case

"s 8 or

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t"mes and t/e am#era%es obta"ned rom t/e code' P!ease note & sed a "m#son"nte%rat"on "nstead o a R"emann "nte%rat"on so e s/o!d /ae s!"%/t!y more

accracy "t/ or res!ts'

8!so, e rote a code to "nte%rate oer 4'@ns to @'@ns s"nce or s"tc/"n% crrent

too a /"!e to d"ss"#ate !!y=

1. VA 0 ; VB 5

Figure 2( 3' "orst ase S4itc5ing Energy

Figure 6( 3$ "orst ase S4itc5ing Energy

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2. VA 5 ; VB 0 (WORST CASE: VB@)

Figure 7( 3) "orst ase S4itc5ing Energy

Figure '8( 3$ "orst ase S4itc5ing Energy

T/e a!e bo$ed "n red "s t/e orst case s"tc/"n% ener%y'

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(&&&' Results

&n t/"s sect"on e are %o"n% to smmar"He or res!ts o t/e PP&CE or'

."rst o a!!, be!o e may 7nd a!! t/e aeorms, "t/ "t9s corres#ond"n% data, romPP&CE s"m!at"on t/at s/os t/e nct"ona!"ty o t/e m!t"#!e$er'

Figure ''( t!5l4a.eform

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Figure ')( t!l54a.eform

Figure ')( 3ca! 4a.eform

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Figure '/( 3ca!$4a.eform

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Figure '0( 3ca!3S4a.eform

Figure '1( 38R4a.eform

Figure '2( 38R$4a.eform

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."nd be!o t/e measred de!ay, area and s"tc/"n% ener%y and a!so t/e ce!!

c/aracter"Hat"on tab!e #!s "ts corres#ond"n% ca!c!at"ons'

Measured Area Measured S!"#$!%&

E%er&'

Measured ea'

10*0.+21 - 2.1/1012W 31.24 sTable '( Layout area9 measured s4itc5ing energy9 and measured delay%

Rea"ed Ca#ua"!%s

W=32.513 = H= 33'53@

W H=A

Ce C!% Ru"

A (60) ?1'3@B2 . +8

B (61) 201'B0@ . +8

Vs (Se) 35'?B23 . 3G40'144G3 I

Table )( ell 5aracteri:ation 3alue

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Rea"ed Ca#ua"!%s

T plh=0.69C R (/out)

C!%A

492.547ps=0.69C10 k

C 492.547ps

(0.6910k)

C7.13862e-14F

C!%B

1.3911ns=0.69C10k

C 1.3911 ns

(0.6910k)

C2.01608e-13 .

C!%Vs

246.760ps=0.69C10k

C

246.760ps

(0.6910k)

C3.57623e-14F

Ru"

2.7187ns=0.691pF Rout

Rout= 2.7187ns

(0.691pF)

Rout=3940.14493

&)' Inter!retations and onclusions

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Ta"n% a !oo to or res!ts, e may obsere some stran%e s#"es' T/"s "s debecase /ae a ery /"%/ s/ort c"rc"t o!ta%e !eaa%e de to t/e transm"ss"on %ate

sty!e e /ae c/osen' T/"s "s cased by o!ta%e be"n% ed bac toard t/e "n#t "n

t/e system /en t/e o!ta%e "s not 6"te /"%/ eno%/ to oercome t/e eedbac'On or aeorms or bot/ 8 and < /"%/ and Tc-6, e see #eas at eac/ c!oc "n#t

/ere t/"s /a##ens' Or %ate sty!e "!! /ae /"%/er "nterna! ca#ac"tance ascom#ared to a CMO %ate des"%n, bt t/e #oer d"ss"#at"on s/o!d rema"n t/e

same' 8s or dynam"c #oer d"ss"#at"on, t/ere s/o!d be some sma!! redct"onoera!! "n /at "s !ost dr"n% !o%"c'

ome ot/er maor "sses "t/ or %ate sty!e "s t/e act t/at e can not necessar"!y

"so!ate beteen "n#ts and ot#ts becase t/ey are t"ed to%et/er and sorce anddra"n act"e!y s"tc/ dr"n% !o%"c' T/e ot#t "!! a!so #ro%ress"e!y become orse

"t/ se de to c"rc"t deter"orat"on'

T/e bene7t o or des"%n "s t/at e ere ab!e to m"n"m"He t/e nmber o trans"storsre6"red to create t/e correct !o%"c' &n do"n% t/"s e ere ab!e to redce or oera!!

area %reat!y and mae a mc/ more com#act des"%n'

)' "or# Distribution

Eac/ member o t/e %ro# s#ent abot arond 4 /ors researc/ B /ors des"%n and

ed"ts, 4 /ors "n ca!c!at"ons, and 4/ on #a#er r"t"n%'

)&' $ac#ground and References

B!7!&ra$'

- C!ass Web#a%e and ectres=

/tt#='ece'nm'edK#aymanc!assesECE321"nde$'/tm!- La"ns, e%ra, ares/-La% *,S Digital Integrated ircuits( First

ourse% ' &nst"tt"on o En%"neer"n% N Tec/no!o%y, 2012- r"tea Tar"%o#!a, )-to-' *;LTIPLE

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- -Ed"t W"n B4 15'02, t/e !ayot ed"tor'- PP&CE= 8!!e%ro 8M s"m!ator- !ed"t'tdb= design rules and layer definitions- tem#!ate'e$t= device definition- !ed"tdemo'tdb= Proessor E$am#!e- -Ed"t "c tart Q"de

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http://www.ece.unm.edu/~payman/classes/ECE321/project/ledit.tdbhttp://www.ece.unm.edu/~payman/classes/ECE321/project/template.exthttp://www.ece.unm.edu/~payman/classes/ECE321/project/ledit_demo.tdbhttp://www.ece.unm.edu/~payman/classes/ECE321/project/LEdit_Quick_Start_Guide.pdfhttp://www.ece.unm.edu/~payman/classes/ECE321/project/ledit.tdbhttp://www.ece.unm.edu/~payman/classes/ECE321/project/template.exthttp://www.ece.unm.edu/~payman/classes/ECE321/project/ledit_demo.tdbhttp://www.ece.unm.edu/~payman/classes/ECE321/project/LEdit_Quick_Start_Guide.pdf