lt tDrtrcnr or Eleiro.ics, Td@6o!!iolio, & ttior.di.rl E.linerttrg
lt tDrtrcnr or Eleiro.ics, Td@6o!!iolio, & ttior.di.rl E.linerttrg
lt tDrtrcnr or Eleiro.ics, Td@6o!!iolio, & ttior.di.rl E.linerttrg
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{ nurcd lo rnt ol dE lbur 4,|-ljT!fh. ql 4000Xt- logic bl6k ale onrrins <strong>di</strong>ecr<br />
iicEoniet Garest-n ighboi conndlioN bcl,en adj!@nt logic bl@kr) a.d hish-<br />
sp.cd ary chains l<strong>or</strong> sithff .tic.<br />
3.1,3 RouringA.chirccruro<br />
Thc rclrin8 rrchirEtuF <strong>or</strong> th. el 4000XL archirsruc w6 capiuEd 6 clo$ly os<br />
Fsiblc.<br />
with $m€ simplifiqriot to D<strong>rl</strong>c lh. ouling &hn6furc 6ier ro €pt!rc<br />
in Vl'R md to !llo* lir 6i.r ulirBol rhc nun,lir <strong>or</strong>'rncks plr chmtul. Wr trcld<br />
b s6le rhe tel 6unr b 'ncrsurc <strong>lt</strong>le mi.inum hcl counl r'<strong>or</strong> ! circuil ud lo<br />
conrrcl rha <strong>di</strong>flicu<strong>lt</strong>y of rourinS pobl.ms.<br />
As <strong>or</strong>entioned in wrion 2.6lhallhe @14000XL (chitel<strong>or</strong>e c<strong>or</strong>tains fou <strong>di</strong>lleEit<br />
rypcs of ruck sBmcnlsr singlclenglh, double-lqElh, quadlciglh, and long_lenglh<br />
lect sgnols The 4oooxnikc aftbndqrc uscs the cttt emc lcnslh oa tncl<br />
$gncnts, F<strong>or</strong> our ex0lrimc <strong>rl</strong> athil€durc *c nc€d lo bc .blc lo vary thc lmck<br />
@n! $ ini€rd ofch@sins a fixed tdcl @unl litc rh. @l 4000XL archir..iua wc<br />
u* rne p.rceno86 ol eeh lype of l@k $8ment givs in Trble 3 l when varving<br />
ft. rracl .ount, we ch@* tmct l.nSlhs lo mintain thc p€a.nlae6 in Table l.l .s<br />
.loseLy os Frssibl..<br />
The Eal4000XL archiccturc fto has slightlv<strong>di</strong>ncreit numbeu<br />
oftacks h rhe r and y <strong>di</strong>ection. W. cho$ to simplily fie archilrcturc bv using thc<br />
sanc numb€rof<strong>lt</strong>uk s.!n.nts in b.th <strong>di</strong>dtion3<br />
T.bl. 3,l: Tnck seandts lr ao0lrxlitc .Etilelud<br />
25.0<br />
t2.5<br />
t7.\<br />
25.0
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