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Digital Electronics

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Published in: Electrical
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Important notes for preparing IES/GATE Exam. 

Dhirendra S / Delhi

2 years of teaching experience

Qualification: B.Tech

Teaches: Physics, All Subjects, Mathematics, Electronics

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  1. DIGITAL ELECTRONICS NOTES DHIRENDRA SINGH
  2. ? ON e6ed .103(qns ? ? ON = 0 ? ? ? ? ? ? 0 ? ON ? S ? ? 00q0S ? PIS
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  5. Plo A4B Yta-wc Vec I n uks) TTL Lo (h to' ECL T ytu4h Dare Nk a±tve 10 Cc, LOU (Z (pcm ms ABLE Logic
  6. (4) 6) . 91 ts D 3 Page Ixge 3a-±2- a,yv to t,'OQ S 3tu-e-b — A B É nable I DISabLe p L03iz(ol BWIb Bulb UOOhh± loco to h.Q-h b04-hs 1*-e-hzs a->t.z cloSRd, +Vcc Di cum Bulb 1.toh.L•10 —61,0 ll-ch closea , only bo-&h AVca-
  7. rmpl. Data Also cale —cau 14ch • mos+l( ana D&c-I-ton D o I N vets) on 10 Cot boJÜc 4
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  9. rnbtn • t4ddL9( D OVQQ—bl+ nor V+voo s -swwv o b +hR _&-h'0L b) +6 B D 5 4 S V M CARRY O C-a-VL3_ D 1 Dl Dl ID O 0 0 0 ca»y— AB , noü'. nos ob AAN D // N OR gans rrnplnmM7} '2:1 MDX 4-0 3 "coar-9f = (2X4) & enz L 03 (co) /tT6SOn•Q ts V.A 4-h1 haJ *tlSS10Q- 4-hKt ob +h.e 3- _lD3c.Q9 Imp IL rrunè H. H on nm. no. b b _loglc., ga-+Qs3 b C-i9vcxu 8
  10. 10 CDT (2) h m ru C) Pag hag 3—1n • ex F9t2SS10ns 8x1 mvx CH.s) .o__ Lo I cnl ex sstorv)aa.e'. 5 DI) al-eg AdADf 4 94 Is a c.ombtnc&tonpa _Jrho& 0b b n r-wvmh-otgnv 01M cODc.t +0 Pha Pan QLlzt Ac:LdD1 cuso CaLl-ze roe m. _CFuu
  11. noti î • En PotalLL2 -1.100 bi? nam I U-i9U.-A 591 ana HA a.tôA DR $ rn Add-L9•tt Del d._?lcud dDt (S -9tQ104tv $101,0 . L-O ?h2Qd vot +hQ tanaLlLl LCA I?ffasas?- Add-q a.A (Izv.-?f$ (HA/ hmQ În ?-ton L CA , Ptod.uc.L (n.a9u?1 , 10 fri LC n(n+l) 2 n Nb Bi ca-?Ud a 6 seb-c6 ovu .t?nes 3 IRLc?s s?vyb olp ?ine, nn•ôb t and (s 4h2- no sel-ac*
  12. 6 tven p')bX lm . (2) age ICI 64'. I 64 I 256 I 21 37 70 12 SI St SOLI' + (3) D?-??îon hm oîôe•? mux l?n?-nn?- Tn 2: I MDX, ?nh on? 21 MDX -FOT N t r. X b 2, 2: t nox 4 : I rnDX —N OT f-voo vayuczblQS C.cctn be /bDU?9t /b-wnc?7D7?5 can
  13. • ox: ves m on ? 61 311 O -L?n?s 4-1 on cu a (S aug De nox D—ŠE Dl — An VIO • bb Se12c? I I ms ama Du-t ?rv)-— l: 6 DeoQvx • DQ-codet6 'o A Oacod-L9t hag m n?avOU ts Ot cetAA.,Î-E Inus 4 mm I mun Lynps. 16 convo? bl I??D D?h?? t.?Ke 31 î A-Qcod-L9t bl (4 ?- 16 d.9f) bb ou*-ffk? I I rus Itrus a) 2x4 Z- DE-MVX 6a.mQ con?a.Ôx5 AND NA ND bo 22
  14. Do Dg —ECe_JM.bU) Clive-n D2.CDdØ( 214 NOT B x Btnay-y oc Oe-cod-ot 00 ) 3X8 D Enc O O O 2cod291 O o O o o L o o 0 o o O o o 0000 0000 000 001 00 0 D a-no vets BCD —4b —Seven SQ-jrnzrH Oeno 42.9t:- si0D 6 The = -FED Ausc a.9-f.L ob-vaxud bd- -be _JmrLmzobd
  15. tsa comb' nano rul ma,Wd t PIS 2 vo cb baJ ops. IS Vvazd +0 cnnvvt& ete• døts : 4X2—€nco c-LV( "torn On clad. blip — bip = (D 8 DIP = X —N D (s a co-m • No-sma-P onlå on (t) BCD Excnss—3 code t. 15 hag h a} a Execs-3 + / mohL gcD fpm : 0000 -b 7 In h næ can h but I ncetd M rukdQ Compos-tams corn b I onovl cuncuÅt o bn bin ona—bl+ corn Pa-üa-tbl D D D D D (2) Blnay+0 cod-Q Convøt 33 G t 63 = 40 -to coda co '4 — BL = B30
  16. • A 5Ul??Qhkal C a-s Locu • asu b?.3?c cetc?d16 aLl ”10-t-o I ( a-?6b nm U Bts+Lbl? ch con ? No aÎÎs ches a.-n II - Io coa — 209?.e.L . S l_AkhŽ— R— ou? D Q.nd c Date Cavn be D 5 —O I Q (â ATE -2007) made- cu t)A?VlOW') sl?tz gel 5??tQ ff.oxbldd.u•v
  17. Chay VblQ ; — 05 X c,cO?Q OIS v 16 u-vu s T—VF Czen LQ ovo?co?nes 61 OA160 t” Q') í. - CLA D X x n Hold s 0 RQSQE
  18. chayt. D fin les -- 2003 DIS adv The c.h-&t+t0b" I,OQ s h-ou.2d cLk nötkon t,d-Q u mcab.9( 61anR con cmsnLnuzüQ m 2 ( SLAVE) ve ect e c L a'LQ_ l.Za--Q-d 40 MASTER'i c L 1K Loco ve cLKv u16Q) aY(-Q and Eh-Q O conölhon Asybchm.onoUZ O CA.Dts
  19. D CL SUAVE ts D- Ill.-çloNs- rY)Dctt s R — f f' o ne cys9_01_ 9+ IS cz160 Lakh Da-}-ü Date Page CLR q surj GJbhruòb) C.OU-n q sth31Q L4-hm-u a-zcuil.- GATE chay. Jable— 1 o q 0 1 -1 o
  20. To glop choe a FF Jrtea CL 45tLOh Tha hose. BStOLt ISAO/ I Es DC-a-t,uo.-ncg LS ou±u-k bb is Za-mn a-d Toggled FF
  21. Conv SIDh 0b 4-ha b +hQ 0b 4Naila..bU ts solved 3 tVQ.n an tntu2- aru aJ ova-pu±: e ts4-jco -kblQ Ern ROD K Or—Kim 3 tvcn = s R blob 20
  22. un • A pt1cahon.3 C.ouòbts:— T D cou-n4 4-1QQ t>Wses • no il..uns MOD : Inaic,aÏLo t n c.ou„nçtn.d hawQ 2h Eho-n 13 EQ Il Zn 4mmQ 91 08 AnevLo +0 cor)1J-Ot (25—1 ) b b09CQ CAtr) Co corneoseaA_ +0 an combtnc&torva ell-rn.mks • MOD or) e-bFt,nLd 13 a +h-Q Las totfb bln mal I mura 9 o) lì cl v) 21 no bbs-va-s 10 2D +h.2.n COU nou (-DIL.VF[ZQVLLLQ UltYAny (IV) NO nol&Q 0 up/ couNTEA 0) 91 a cown{s in -oguvch a (.•zy tncy•a.ges s u.czoswe CLI\ (2) 91 a cou-nls -in a eho& 01 ehe SIXCCQSSI(JQ— / (g) c.ou-.oü'( can con-bTf
  23. i change (g) QE ch LDhÜ) and Co um N = nn•ob 0 cou-n%ts a-ya 01101,oe-d MoD—Nt o ovzya.ll s+a-.üs 0b (MxN) cn1LQå MOD-MN nchxonous 2 5 0 ax I rnu.rn • Eh e.ou-nfr_x 2b lblQ 54-tths Ml m coun —CMbB) nc hy.-onouz -kha hu h &U..c.2.i VQS nap c I 22 94 Is also
  24. D sad Va-n4affS 0 coun M tmum c LA -X dezoatnJ und 5 O 0 D O 2 g ' fon DIP C o W cou-xäüft vSQ c L 'onruckon Q - Bin -Rgppu Mob -'O 23 I 4cczss 10 pc.ou-öCu D ooeru 3 dot.on comb! IDha-n OLcztAQ cou.-n+s 89tom -1-0 *h2.n (As as BCD coun-bz.
  25. (4) 1m now. — 1 D 15 9 1.03 (R ID 5 hen L tven Lo " # # No T—se n bl/t.å SISO a-g End countDt 9' 94 Is sync eCKv_ In Vus only ong bit (s hug Uyccu-la-fi-D o G b I rÜl-ia-21.cD32 ag 42 Q! (5) p i ESE T -h set Lor #1Jh. C-ctcn S nch»nouz Couxfr..qs Syn. Lou.ntrn Co cunb( 2 4 8 O o O O O o s+ahs maxtrrum ceou-ntR—æbQR.mvu cycle = = 25 X
  26. • Ta RI c.ou„ntîA I b CIO CK ; , 13.DkU-A.2 ha nobl used s4aüs 866 (LSB-f ) 2 6 8 8 -Skis 0 O 2 5 D L 0 O O o (5 o O 4- o D o dohnson Count* This lub} b0kuch to ab von cd t Ikh C..OU-QËX, tV?obi-e-z CoLnb( 25 +-hDt.Q 2 n Ih -Hus • LOI+h knl Ç nostma2 Johnson t.m4 FS a.-nd Ih?/klt ts dDhfUon LOCK—
  27. • s4a-3e a a,eK th a COLD ls r + ha osstbbs skti.0 cnu,ntx Iso To q (MSB bsE . fas ts +,IQQ olQ.Q IOUtcz.LlZJ c Lkv -:-3cttQ (I) Riry lloohnson cou.ntz*) @ ) ou cou-ntD( RI u count* Jcpa(orç) + Al colLhü'( 4 d21a3 4-kus cou-nû.z 5e,cadQ Co tot 13 uzh lb bOŒ-f -ElQAn Asynchx.o— count* col+h same ru. 61 (4) Tri dohnzoh d.-LcdL -ea.chs+a-tR Dru +000 AND 0-91, NDR ah ts uaea• 26
  28. Page . Q Dah 0 Dcua tstö,t pto 0b by +hQ Rt3h{ c-s LEFT. C) S ISO Eh OUE) is D on-Q— j - ona la) stSO 4 (V) Lebl Stso : msg dcå-öXo 40 L SB D-F/F, To daiq sm.iaLQJ, C t CV-(Q To b—t) CIO-ON pt.use 1,0Q Pak it,) IS (I-SB slubt S 1st) ts applild mcg D 2 3 4 (D In h' bit do&a c CUs-u a-c , Db clow Ddq = / dAk a.n_Q enti5æd btu jn Pcvta-Q22-Q Tb bib-dada, no, Tb +avxe bid bha
  29. QIDI) 3 e:LKx ( ISB SAH ?a.p Date a7t«.LQ9? AT) d a+q fol PILISI 9,111/UAAQH c LA a UQlgQ puse n QQJ.LX 2 F.F3 ?) axaIkQ,r n-cp ( s üst ?) A s?so sRs m 4-0 ?n+xoBuzQ_ 4-113/2.2 nas t..1XT N x bQ_ umd C Clea tLQ3Q h3Q 4h-2.D hlJL94t 4Q-.m öXaQ Cod2 s?Pö Z' 5 t,okü12 .c.on 5 c-Dd.Qr s OUT puls CLI* C ( 1 maa-Q rru.A_A H pl.g 4--h.e an R(jhE ÛüQs 28
  30. 3 hL Delay +--trnz 3tvU", by h 103e Lov?a.' H,tlh LOJE -krn_Q$ rneaa and o d Vt.Q 9taotse 9U,CôVO?y HL on P>): — olk,n+ Trom -khQ Vcc voltucb aya,uDS c CDIIL?bT (S 2 Lcc H = a-YtL 1-18 (ÍL Lôhon 29 Th2 cl?sst Is 3?vex•v r-cc X 6 syna..U ossb)n• -Fan — o Üt IS 4-hQ ö9t?vQ -mo?e . a-8 No Emh-)L • ccbiGtž Ob cha.n.JU Ô) D/p h ?Jôíg rrnrn?u•Ü VAL VOH (min) — VIH Q rnin VÔL Irna.«) VIL Crux)
  31. VOH min) > VIH ovotaU n-otSQ m Datc CZ9tczuÇage a I k8hocoP LD hg h no(Q max.j.(h e GATE no(5Q 9 S SOue.2* 3 Lo LDH Crnaa) 11H C max ) IDL 91 RTL ts h, b'Qnsts (S • Th-Q o '5 91 *fetnslsb-s îx) amon RTL DTt= DerL t ests L 30 H (j b) R Lo i.,o) 4-h-ovn b L03Cc I Ecu uvu N Mos pryQQS scona-s CDC TD RTL ex ln tt -—7 VBE Tstavnstsbr Lo IZ 3 Dl bdL— a-W-IB N AND to 0551 b s —OUA* 0•2- V LOLO 1--e,ve-l h Lerv'QA
  32. 15 m in D L 2bD3J T $ IS by ux«ry AND an cvccu-iæ dollDbOQd by Dba DTI- rncuf or-IQ 0b {he bQ&Q coccu-'d CIA O (3) b— 4-h&ushold Log(z among avu Nelse lynmwru Lmrels• pyguvcc2 h-(3h syncds e) ya.ü-å—nn 1--03 (X 2 L): 0b DCTL 2 _pmb bm unst Q9VU
  33. 13 de std n.ød c.occul jo 4hQ v tell »ubbtc.ton PLO -phe 310 Thi nag on ts PtoV1dg tn Jr-he VD14-a3 ctn p ana_+ QA IS cm} - bib _ 13 L (6 ATE-tqq(f) he L.D -h.D0 p b 1.23 a_RQ CO Inna excosstve an o b hQ -ho Dc-u-nYQ n pal* S peed o e) sc TTL G in q) E mat 2zne eh-Q blas +1'10$ Fans ovvtcüQ ECL" ECL IS emmpll&" n L.oluch It IS (t celtled L) x3L0t • Is-hrs 1.0 It' be cut -08b ton hz-nz.Q and ach VQ 4-9•ta-ns15tbY /b±tom , to also OJ E CL Chan a-cmoVQS +hQ (l) TyptcnQ by ECL -4hcm is TTO n-2A.o • (2 Y Log leNQls no ry_ C*Q11-Ld a woe sv & — , 20b ) 6ch04 v JUS _PDlbaff-hona-Q-lmy+mg o) 2n5t 4hdb ) Ca.&e ECL nol'sz tA)hy 's Ca.12.Ld u TTL n• 29m I ma-9t3tns 32
  34. • LoGtlC MOsbQf-c 4 0b Page C.oyu ——Loctd ON S Thi 15 do LOQD mm-Q-t9Ccza-2 oh os can ovo a • ha.nng.' MOS Q N mos) t, cone ucEs VDD D vtt Log N mog Envvtbc ho a Com NAND BJ N most — VDT) 4 uses USQS Nmosi.- 75 4 O O IDC-OURS , 0 33
  35. • (2) p; channel mos ( pmos) • pm+s ' IS 0 P IR11--i0P pm OS VDD - -LOA us-U Vans no NIA N 34 VDD= enl b "S VDD Lot,oet a±toh— Ex 'm PODFh n— can be 0 4-1'tQ 7 he h— chuuuq MOS eon? (,oh2.n Vd13 ± Vei chann.u mos 'Dhm Vqs = e 4-hV1 0b Davtk.Q
  36. 94 LRtL*) cmos • pyoblzfl) 6b cloc.fi S OCR-UMS cmos c mos Lo i.e. emas CMOS cha." a-Gus-k:c-ø croos c haq) vin ——Sbmr—rmN. 'A 0) ECL +hQ d 6 0 Chon (2) MIDEhao he (3) supp) ECL is {-0 el Imanabs +ha- cum.em_? &21QR4-tc..a.l Vog hen L 35 (5) 00 ha-3D Lojt;c 4C{-6 - (t) Lo AND dc 4-0 —Ve a ) -f ve LOJIZ •tg -e-tv-l' —ve Log tic AND fin p} •
  37. N- Then o vvl+a.ge Vo o Date Page Th..Q LSB -9œs = 2 bi btt-wuy D AC Duu -b Loaapy QI bec* , (nr* Bamm voen'{ -9t-L.rna.ìn ob 4-hQ sys-bmo (s vss. Iv0axm V-9tQA X - R -'R LaddDf us I — DAC (MISB) \/9Qb— 2 Ls (LSB) in aaex.o 4-hx bi na..'ty • D (s orn 10 a,) 4mt D Amt ln A oyu-? 0QStSà-« Vo — 9} can al i Nous uy_ Il coq 2N 36 T E —200 0)
  38. In
  39. rm,xrn- conu-ys ion •ma = 2N-l) x IJØ(SIOD +m-e DS on p b A DC, I noytry'b$ (s tam-d u Fh-e-o s ca-1.2-QÅ Ccu-n 4 C ADC) Also ,caLLe-d DC c: DIJ Counten Cnn type 16 IndQFncU,nt Ana-Io - 2000) c DAC pa u.zzzssuve — ox t mos+ uæe-d A-DC SA .cns(s+so q RI bids czLA6tV b ret uuQ.L') -bt4c 38 (3) ayaJIL0 — Corn pe Also Flab p. convotb( (GATE --2DöD)A/ 2002' Com 2 rnaxrn• u.lSQ
  40. (4) —slop-Q Inh A pc, o m ru rruzns +hz 0b SuepUy 8dR-z most ADC co-no 23 ucba.D PAc Bccstc Inj— J ( C' Wol 2 N-bPc aua-t +3 (5 0b I-en teed c cyc S L GATE . 340 and L oco GATE- co t on CVWSI El o D DAc'S cece c bcuye nLhQ 39

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