58cdce2d-d5a2-42cb-ba92-0f0bc74f8dfa-151118152109-lva1-app6892

7/25/2019 58cdce2d-d5a2-42cb-ba92-0f0bc74f8dfa-151118152109-lva1-app6892

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Low Power VLSI Design

2/6/16 M.TECH_EC_VLSI_DESIGN

Guided b!Dr. N.MDe"#s$r#ee

Pre%#red b&i'ender Mo1(MECV)6


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ssen'i#*s +or De"e*o%ing ,d"#n-e Low Pow

,d"#n-e Low Power Te-$niues

Indus'rS'#nd#rd Low Power L#ngu#ge

Low Power S%e-i#* Ce**s

PowerCons-ious Me'$odo*ogies

Low Power ED, So*u'ion


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Sour-es o+ Power Dissi%#'ion

Dn#0i-Power

Swi'-$ingPower

S$or'Cir-ui'Power

G*i'-$ingPower

S'#'i-Power

DiodeLe##ge

.3

Le##ge

3 'o 3Tunne*ing

Sub'$res$o*d Le##ge


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Pswi'-$ing 5 CL Vdd2 +

Ps-5 V

ddI0e#n

5 7/12 8Vdd

9

2V':; < +

P*e##ge 5 Vdd I*e##ge

=#-'ors o+ Power Dissi%#'ion Su%%* Vo*'#ge P$si-#* C#%#-i'#n-e Swi'-$ing ,-'i"i'

T$res$o*d Vo*'#ge


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Low Power ,%%ro#-$es

Su%%*

Vo*'#geS-#*ing

Mini0i>ing

Swi'-$ingC#%#-i'#n-e

Mini0i>iLe##g


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Su%%* Vo*'#ge S-#*ing ! S'#'i- Vo*'#ge S-#*ing

De"i-e =e#'ure Si>e S-#*ing

,r-$i'e-'ur#* Le"e* S-#*ing ?%'i0u0 Tr#nsis'or Si>ing

Mu*'i*e"e* Vo*'#ge S-#*ing Vo*'#ge Is*#nd

Dn#0i- Vo*'#ge @ =reuen- S-#*ing ,d#%'i"e Vo*'#ge S-#*ing


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Mini0i>ing Swi'-$ing C#%#-i'#n-e ! H/A S/A Tr#deoB 3us En-oding

Gr# Coding ?ne Ho' Coding

C*o- G#'ing se o+ Nu0ber Ss'e0

2s -o0%*i0en' VS Sign M#gni'ude


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Mini0i>ing Le##ge ! V#ri#b*e VT CM?S

Mu*'i%*e VT CM?S

Power G#'ing Du#* Sub'$res$o*d Su%%*

=#bri-#'ion o+ Mu*'i T$res$o*dVo*'#ge ! Mu*'i%*e C$#nne* Do%ing Mu*'i%*e ?ide T$i-ness Mu*'i%*e C$#nne* Leng'$

Mu*'i%*e 3od 3i#s


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Pdn#0i-

Vdd2

Pdn#0i-de-re#ses #s Vdd redu-es

3u' De*# #*so in-re#ses #s Vdd redu-e

,nd we don' w#n' de*# so we $#"e 'so0e'$ing 'o redu-e De*#


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To edu-e De*#

S-#*e Down VT wi'$ Vdd

S'#nd b Le##ge wi**In-re#se

MTCM?S or VTCM?S 'o edu-eLe##ge

euire ,ddi'ion#* Pro-essingS'e%s

P#r#**e* ,r-$

euire ,ddH#rdw#re


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Du#* Sub'$res$o*dSu%%*

T$e NonCri'i-#* %#'$ is 0#de 'o o%er#'e #' '$e redu-ed "o*'#ge VDDL'$e Cri'i-#* %#'$ is 0#de 'o o%er#'e #' '$e origin#* "o*'#ge VDDH

,d"#n'#ges !1: no need +or -$#nging '$e regu*#r +#bri-#'ion %ro-ess.2: no need +or -re#'ing %#r#**e* d#'# %#'$s -#using %#in+u* #re#

%en#*'.

T$e s'r#'eg o+ '$is #%%ro#-$ -onsis's o+ 'wo s'e%s!1: nding '$e *ogi- g#'es wi'$ e-essi"e s*#- 8diBeren-e be'ween '

'i0e #nd '$e #rri"#* 'i0e o+ # sign#*: in *ogi- -ir-ui's #nd '$en2: #%%*ing VDDL 'o '$ose g#'es +or s*i00ing u% '$e %ower


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Need o+ Power In'en' L#ngu#ge

HDL *ie Veri*ogF VHDL #re +un-'ion#

*#ngu#ge.

Don' $#"e Power Cons'ru-' +or des-ribing

'$ings *ie Power S$u'downF Iso*#'ionF S'#

e'en'ion.


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Te-$niues w$ose %ower be$#"ior -#n be des


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Low Power ED, So*u'ion Too*s

Sno%sis Power Co0%i*er,d"#n-ed -*o- g#'ing #nd *ow%ower %*#-e0en' +or *owerdn#0i- %ower.

C#*%'o PowerPro CGedu-es %ower b u% 'o 6)wi'$ *i''*e or no i0%#-' on'i0ing or #re#.


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ungseo i0 #nd Vis$w#ni D. ,gr#w#* De%#r'0en' o+ ECEF ,uburn,uburnF ,L ;6J(KF S, Mini0u0 Energ CM?S Design wi'$ Du#* Su

Su%%* #nd Mu*'i%*e Logi-Le"e* G#'es in 12'$ In'* S0%osiu0 on OE*e-'roni- Design 2)11 i0ios$i s#0iF Mu'sunori Ig#r#s$iF =u0i$iro Min#0iF T##s$i

Is$i#w#FM#s#$iro #n#>#w#F M#o'o I-$id#F #nd #>u'## Nog#0iFIEEE ,u'o0#'ed LowPower Te-$niue E%*oi'ing Mu*'i%*e Su%%* Vo,%%*ied 'o # Medi# Pro-essor In IEEE &?N,L ?= S?LIDST,TE CIC;;F No. ;F M#r-$ 1KKJ

. i0 #nd V. D. ,gr#w#*F True Mini0u0 Energ Design sing Du#* T$res$o*d Su%%* Vo*'#gesF in Pro-eedings o+ 2('$ In'ern#'ion#* ConVLSI DesignF n. 2)11

i0ios$i s#0iF Mu'sunori Ig#r#s$iF =u0i$iro Min#0iF T##s$i Is$i#M#s#$iro #n#>#w#F M#o'o I-$id#F #nd #>u'## Nog#0iF Member, ,u'o0#'ed LowPower Te-$niue E%*oi'ing Mu*'i%*e Su%%* Vo*'#ge# Medi# Pro-essor in IEEE &?N,L ?= S?LIDST,TE CICITSF V?L

M,CH 1KKJ $''%!//n%'e*.#-.in/-ourses/1)61));(/

e+eren-es


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2/6/16 M.TECH_EC_VLSI_DESIGN

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