Thteoduelion ty tow Powcer VLSI
Toleoduetions-
& Veay~ Jonge scale iegeation (vibT) ts the Poocess of eating
an inlegated civeutl (1c) by combinin: hundneds of thaSonds
Of Aoansistoss oer devices inte a Sine
& design fer low powes has. become outa cys one. of the. majozr
& micoon Technology — Lum, asin, 34m, €fc
|e Sib—micoon technalag- oeiden, O-Gum, ov35:uM , Ov8s.uIM ele -
2 Beep Bib -micsan techeelogy — — .arl8un. 0+13.um
-K Nanerlecheregy = Jonm 650m ete.
HX Umpeotank ieeues “in the posterl day vier cioaitl sealiaation,
x Relibilily:- exeoy te ai6e Ip dempecsalasie wohl cube the
¥ Envizonment ;-
wer L
uni s-L__un domenfals |
©
le chip.
Conceens fo Complex, visr crocus.
why low Powes 2
& tntweasing Teanbiblow count
x Highees peed! of opevator
% gevales devie teakage cuwzenls. |
% Packaging +. cooling cost ;
¥ contemposary high pectoomare peote6os conume heavy pouter
Ah absotinted with packesing 4. ceolng such devies 1 prohibihive
4 low peuwes methosblyy to be wed vedluce coe of packaging
and cooling
failuse gale
-¢ Acooding ty an eslimale of the us gnvieonmentl poofection
Ageny CEPA), 80: of the foweo consumption by athe Equipment
vent Pg) 1315 due to consumplién’ equipment” and a loage past foom unused
Equipment -
| F Pow is alssipaled inthe foom heat
% The cooing techniques: Such a5 aio condi
heat to the envitonment “ls ouh os
% To vedute adveose effect on envtconment etfoots such a ,
Eps eneogyy aloot progsam feading Jo powes manageme
davdead 5 Desklop and laplops hes meaged:
Lionea rfoanster the
Need or topos ciectl Oss.
the Incweading Frominence of poclab ke eyslems ard the
need fo limit poweer consumption in yeay-high clensity LST chips
have led fo zip and innovation clevelopmnents in low-pocoes design.
cluding the wecent yours.
; the Keniled toaltesy lifetime. ‘ptaally tmpase -veoy slotel:
emonds en the quecai Powe consumption of the posfable ayslem-
Altheougy New vechongenalle balheay -tpes such as wickel, Metal
Kychide (wimtd one being developed esith bighes Eneagy Capacity
hon thal of the conventenal nielel-Cednim Cvied) bablecies
athe Eneogy density olfexed new balleries technologies ts about 36
twolt —houzs/bond pound. :
| the need fos tou Powes design. is also beaming a males issue
an high- Peakermance digilal. Syshems » Such as wncropoo cestons, cg
Signal feotestos COSPS) and other opplitation. Treseasing chty dent
nd high opositng speed lead 3 pes
and high optoating speed kad to the design of Vee comple ch
ait high clock feequenties.
tole
fy. teokoye wuacenls IN a cond invealee
vonit 09 ~ 6]@ hae rwn-Re09 swe veabe feakage and Stb theeshold cuseent+
Pevexse diode leakage cuwsent
eae
@
A fot foo thete four Polmaay teakages , thewe ave few thea
Veakages cussent shich is algo contetbule Jo dale Poweo cistipadin
Y Gnle leakage
D nate Induced clonin leakage
3) Undion leakage
4) SUb~ theashold leakage -
¥ Reveode - bias p-n sunclion didde feakege euazent ~
Hot covsiew imenction gale cussent -
3% chonne| punch theaugh euazent -
the wmos ond Pros foonsislss used in cris” togic gale genevally
ca cmos VIBE chip. confaining co veoy laage .numbeo of feansislas .
these cuavent “am Contdibute fo oft overalt Power diss
the rmagtitude oF the leakage cuscent ¢
by she pooeessing panomeleas.
the too mein leakage cusvent components shun ing’
(60° Mas FET:
UW Revease diode leakage Cuzzent '
@ dil theshold leakoge cuosent-
pati on.
ts main ly deleswined
ont an onl [geet or al
nik Le <> / (2#Gtilching Powes_oissipalion .
she shied ype oF panic pore ctxaton 16 the ghshing
| Pecaes which catses clue by isthe. delay of the dates. Since
the clypomte pouea ts diveetly Pooposfional. to the sumbes :
of the culpa -Avonsitiens of a lote getee glilching con be
a Sigpiftcant sotoce: of signal actly and cleseoves relion
‘S olldes allen occu shen paths with unequal peofagetin
delay convesge -at the Sarre point tn the ckr.
% alilches occus, because he inpuk Bigg to 0 ponte L
leofc, Mock active ect chfecent imes, causing - no- OF
iheontdale -loanstliens fo oct belose the out pul
OF the logic. block alabslizes. ,
echese adathienal -foansitions cesulk in Porcev diesipat
talich (haaacedts categortaed as the glitding peines?>
honk chaone sffecle
chook chamnel devices :-
A mosrer device 16 conbideacd to be Shoat hen the channel
| jeogth 6 fhe Some ones of mogrilude as the cleplection=leyeo
widsths Coy Yas) of the sousce and daoiniyctctions sunctign
fg the channel tength Lis secuted fo Intwease both the opeentia
4 and the numba of Components peschip rthe s0- called
| ghost - channel effecks ame acise.
uv D
shack choonel effects
the Shot channel effecls awe @lfaibutes fo two Alybical
phenomena:
low ah ,P5 BND©
the limitalion tmpesed en eledvon aleitt craanclertéie in the
channel .
A the modification of the thveshotl vollage cue to the Soclenirg dave!
| tengih- |
| sy pachlea 5 cifleoent seal channel Fleets can be clébapited
| |
|b peain- meuced povates tetveding and punch Heraugh
2 suolace Beatleaing
3+ velocily takintion
He impact. yonlaation : ,
5 Hot glectaon effect |
; Z i ing and punch haves - |
\1 exain lode bassies loweaing js pu igh |
the expression foe the denin and souste unction widths ave.
| Ard
|
°
|
|
these vig ard Vox are Souse - f-bedy and danin-bo— bey yelloges
theoe tuts a ‘Pentih Brat behuven soxace and escin eich is 4
| be lowed by opting gale vole. 10 shoal chanel devtes mn addlibion
| th gale volloge » deain voltage aabio has a signiticant. ceupled, $0 the
dein bios can effec the potental bawsier fo caaviex feu
the gousce vel 4
velocity Salucation /
tthe Peofoomance heat - channel devites are also cffeed |
by the wlodly Srluseion , hich seduces the dans condudance |
‘ww the delusatton mode. |
o fk the low &y the clecaon dei tt vdocity Vde ‘in the |
Channel vasies tineccaly cath Yhe lech loie field Intense
Vanever, ad €y amaeases above td! yfem, the dois |
| vey dends fo nweage mere _ Stay rand appavaches a |
| galuoalion yolue of Nde (sal) = 16! mls avound FY = 105" vim
al 300'
| ‘pole that the cain cweent id Ihmideol by locity anhoakon
| twlead of finholf- this occas in shoot channel clevice when the
clinendions ave sealed ailheul foweoing the blos, vollage sing
|
| Vde(sat) Ahe maxinum goin Possible foo a MOSFET am be
|
defined oy
|__ctetine’_
bone ,Pq “hig9, WCoy Vae (bal) )
"eIinpadl iorization
Arotheo undesstble
occu due do {he high
Nigh longituctiat field
Shoal channel effect, Spec ally in Whos
velodhy oF eleclocn in Poesence of
thet car geneaole electson-hole Co-h}
Paios by tnpocl ionigalion. thal ts by Imperting Gn 6tlican
ms and inniging them. t
tk happens -to-follouge Noomally, mas} of ¢lecloons ave albathed
by dvatn yuahile the hates enles the aibgboate -fo foom fot
oF footlic gubelaate cusses She afosemartened eles ane
coleded by the oueve , and the cooaetending bules cuavent- ea, eas |
a Vollage coop in the Sutsboke melestal “oF the Onley ‘ck oy. |
the noamally gevensed!- biased subGloale - voce pn sanction eattt
ct opppectaby. the electoors can ‘be tected fom bauote
oe pidete Similaa to the Ingection Electoons foom Emiltes
the t ¢
the bobe » They Can gain snough eneagy 5 they foave! docoaed
i fe glectoon hole pairs. Wf elecloon’ ave
isk be & he dain fed do towel Inte
goed die 4 bith field escape. the doa z .
am | fing othea levies on chip.
gre bibsloale + these by affecting
J
fib secon eet ; ‘
Araler pacblem yarlaled do high electoie feld> 7s catssed)
-called bof electoond.
by Goa
these high eneagy lector can enfer the cride
whese they an be deappe 4, giving to ike t ow'de .
Leni -Y eg — IU}J)
Chesging that an acumutate estth -Hrne and derrade
‘the device peofarmance by ctneweading Vr and affect -
oxo Chmaged) 20.
[_aute Fez — cain
inn >7 kt
Subsleale
Advexttly the gole's contest on the dacin Cuban}.
wont dr hq (3/13,