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ZI9042(??) ?? zteic-asic-ZI9042-015 v1.0 ??? 2001 12
ZI9042 d+j?,)?8?( *` v1 .0 ,a ) 1 1t? ............................................................................................................................... ................................................ 1 1 . 1 (m&? ............................................................................................................................... .............................. 1 1 . 2 ?>?a105 ............................................................................................................................... ......... 2 1 . 3 6?aa ............................................................................................................................... ...................... 2 2 s6?aa ............................................................................................................................... ........................................ 4 2 . 1 ne)[ey??c? < ............................................................................................................................... ......... 6 2 . 2 ?5 ?*? ? + ............................................................................................................................... ..... 6 2 . 3 d+j?,)? d p ll ........................................................................................................................... .......... 7 2 . 3 . 1 d{95< ............................................................................................................................... ........ 7 2 . 3 . 2 hh,< ............................................................................................................................... ................. 7 2 . 3 . 3 l$e< ............................................................................................................................... ................. 7 2 . 3 . 4 )?c?$?"?< ............................................................................................................................... ........ 8 2 . 3 . 5 {
+ c? ............................................................................................................................... ............. 8 2 . 4 eg?y + c? ............................................................................................................................... ............. 8 2 . 5 ?5 ?,?? + c? ............................................................................................................................... ..... 8 2 . 6 7?| / | {
(?? .............................................................................................................................. 8 3 z i 9 0 42 ,x ?u ?6??? ............................................................................................................................... .............1 1 3 . 1 ?yj| int r insi c ji tter .....................................................................................................................1 1 3 . 2 j|?l$ ji t t e r to le ra nc e ...................................................................................................................1 1 3 . 3 j|?e? j itt er thansf er .................................................................................................................. 12 3 . 4 ne)[?.bz freq uency accu racy ................................................................................................... 13 3 . 5 ?ne)[?.b z hol d over accurary ............................................................................................. 13 3 . 6 )9?8 c a pt ure ra ng e ................................................................................................................. 13 3 . 7 j?n8 loc k r a n g e ...................................................................................................................... 13 3 . 8 ,!p)[ phase sl ope ...................................................................................................................... 13 3 . 9 kklha?a t i m e interval error / tie ........................................................................................ 13 3 . 1 0 ??kklh a?a maximum t i m e interval err o r / mti e ........................................................ 13 3.1 1 ,!e24? ph ase co ntin uity ......................................................................................................... 13 i
ZI9042 d+j?,)?8?( *` v1 .0 3 . 1 2 ,!j?nk ph a s e lo ck t i m e .................................................................................................... 14 3 . 1 3 z i 9 0 4 2 $c? ,x + 5%4??8 ................................................................................................................ 14 4 z i 9 0 42 ,xh * ............................................................................................................................... ............................. 15 4 . 1 10js ............................................................................................................................... ............... 15 4 . 1 . 1 xkah ............................................................................................................................... .. 16 4 . 1 . 2 !+ c? ............................................................................................................................... ........... 17 4 . 1 . 3 + $d,x>? ? ;? ............................................................................................................................. 17 4 . 2 z i 9 0 4 2 ,x ?6?? ? ............................................................................................................................... .. 18 5 ? ............................................................................................................................... ...................................... 28 ii
ZI9042 d+j?,)?8?( *` v1 .0 ?4?2?43 !9< ZI9042 ,xs*aa 1 1t? zi90 42 +? t (m?a?au,xd +j?,)?c? d i g i t a l ph a s e - lo ck ed loo p g dpll a ?5 ? , ??+ c? ?5 $d,!a>9s + c? (?? 1?uf?4? ? ?4? t1 e1 ? ? ?5x?e?jc? prim ary rate tra n sm ission l i nks o n
` !9 ? w6?o j?nbne)[ 2. 04 8mhz , 1 . 5 4 4 mhz 8khz ,x ? 5 ?,x st-bus jsa? ? zi90 42 ne )[2?z ?2? z j |?e? ?y j| j| ?l$ ,!8 ) 8
` mt ie ?u"?m6$c? a t & t tr6241 1 stratum 3,4 and 4 enhanced , 1 ? etsi ets 300 01 1 ,x?u" zi90 42 ?1 y
?c? ? 5 ?eg9 ' ?5 ? !7 a1 ?0 ?5 ?eg9 dpll ' ?5 ? #\ 2?43 7?|?6 ?5 ? ? 6ckeg? jsan ? ,xj|? ck!a?a ' ?5 ?6!7 a 2?43?7?|?61 ?5 ? dpll ,x ?5 ?,x(?? ?5$d,x?6 ????6k,xx fs! ?5 ?-,x?a>fdck??u,x?6 vp ?5 ?< d+j?,)?8? (?y';yf? a??,x ?5 ?,xc4?4 {*jsan ? j2?ze? 0.05ppm ZI9042 ,x10(?? ?1|{
3 ?+yf?,x7?|{
(??{
1.1 (m&? 1. o??js ?eg? (cmos output ) $$ c1.5 (1.544 mhz *b t1 ) $$ /c3 (3.088 mhz ?,eg? ) $$ c2 (2.048mhz, *b10 2.048mb/s. ,x st-bus) $$ /c4 (4.096mhz, ?,eg? *b10 2.048mb/s
` 4.096mb/s. ,x st-bus) $$ /c8 (8.192mhz, ?,eg? *b10 8.192 mb/s ,x st-bus) $$ /c16 (16.384mhz, ?,eg? *b10 16.384 mb/s ,x st-bus) 1
ZI9042 d+j?,)?8?( *` v1 .0 2. eg? ?0 ??j| jitter ?u" $$ a t & t tr6241 1 stratum 3,4 stratum 4 enhanced for ds1 interfaces; $$ etsi ets 300 01 1,tbr 4,tbr 12 and tbr 13 for e1 interfaces. 3. o 8khz st-bus ? ? fram ing signals 4. eg9 ?5 ?ne)[ ?ey? 1.544 mhz , 2.048 mhz , 8 khz 5. (0?,x ?5 ?$d 6. ?5 ?$d?6?ck bit error $c? phase slope and mtie requirem e nts 7. y/?10?? $$ be? norm al $$ ? holdover $$ (0? freerun 8. o7?|a |e@6?? 7?|??? yf?(?? b ?5$d ,x ?bg7? | ?10? ? seg?,x ?bg? 1.2 ?>?a105 ?>? plcc - 28 10#yz - 40 ~ +85 1.3 6?aa ZI9042 ,x6?v 1 / >< 1 aaz ?6?,xs6? 2
ZI9042 d+j?,)?8?( *` v1 .0 9'' 26&l 26&r )r )r )r &r 9'' 26&l 26&r )r )r )r &r 9'' 26&l 26&r )r )r )r &r &r & &r 966 &r &r 9'' *7l *7r /26 /26 06 06 56(/ 35, 6(& 7565 966 567 )6 )6 1 d+j?,)?6? >< 1 6? /?a? pin no. /? a a 1 15 gnd y 2 / t r s t ttl eg9 f ee"+ g! kklha?a -?!7+ c? s keg?,!a eg9 ?,! g? a h "+ g?z?b 300ns . 3 s e c ?5 ? ttl eg9 ?l!"?0 !9* ?1 3 /?ne)[? 8khz, 1.544mhz , 2.048mhz, +{
?.bn 4 p r i ?5 ? ttl eg9 ??? sec. 5 18 vdd + $d+ _ +5v 6 o s c o 10jsj '95 ZI9042 d+j?,)?8?( *` v1 .0 1 0 f 8 o st-bus ?6y ? 8. 19 2mhz , c mos eg? ?t6y? 12 2n s ,x!76y? g?ne)[ 8k hz, st-bus ??,x???? 1 1 c 1 . 5 o 1.544mhz js , cmos eg? *b t1 1 2 / c 3 o 3.088mhz js ,cmos eg? *b t1 1 3 c 2 o 2.048mhz js ,cmos eg? *b10 2.048mb/s ,x st-bus 1 4 / c 4 o 4.096mhz js ,cmos eg? *b10 4.096mb/s
` 2.048mb/s ,x st-bus 1 6 / c 8 o 8.196mhz js ,cmos eg? *b10 8.196mb/s ,x st-bus 1 7 / c 1 6 o 16.384mhz js ,cmos eg? *b10 16.384mb/s ,x st-bus 1 9 g t i ?6 x k schm itt eg9 *b {
(?? e@/? ,xc? x !86? t,x p?+ g>< / x k?e? ?5 ?,xktks eg?,!nog??j?n ?5 ?,x,! 2 0 g t o xk?? ? cmos eg? los1 ?,xe3 *b
|xau 2 1 l o s 2 ?5 ? ttl eg9 p?+ g>ZI9042 ,x10??
`10(?? 2 4 m s 1 mode/control select1,ttl eg9 2 5 r s e l ?5 ?ey? ttl eg9 |??? fee" / p?+ gey? pri/sec 0 ?5 ? 2 6 f s 2 ne)[ey? 2 ttl eg9 fs2 a fs1 ?n ?5 ? pri sec ,x10ne)[ 2 7 f s 1 ne)[ey? 1 ttl eg9 2 8 / r s t rese t sc h m itt eg9 f ee"+ g ! zi90 42 " + g,x?z ?b 3 00n s ?? ? ne)[5t+ ?no! 2 s6?aa 2 d+j?,)?,xs6?? pri sec ?+f? o,x?c? ?5 ? g ?5 ?$d jne)[, ?1 2 . 04 8m hz 1. 54 4mhz 5 8khz 4 `ey?eyn tey,x?? ey ?5 ? +yf?,x t i m e interval error >9s a o am6,x dpll ? +*0 ?5 ? ?5 ?*? ? +,xs6? s6?,x? ?? ' ? 5 ? pri ?5l??u? 6 ?5 ? $d sec 1 ? ?5 ?$d 6!7 a? 62 ? + ? +eg?,x ? 5 ? refer e nce ,x ,!j |c?? dpll ? +{*,!j?nb ?5 ? ref e rence ,x 16 .3 84 m h z
` 12 .3 52 mhz ,x js ? dpll s* 4
ZI9042 d+j?,)?8?( *` v1 .0 ,xjs ?+jsj'95<? +o ,, ne)[ 20mhz b{
? dpll ?10y/??? a) normal ??? dp l l {*j?n b ?5 ? ,x 16 .3 84 m h z/12 .3 52 m h z ,x?ne 95 ? b) holdover ??? dpll byf?,|,xc{*ae9??!, ne)[,x 95 ? c) freerun !8??? {*ajs, 0nz,x 16.384 mhz ,x95 ? jsj '95< ?5 ?*? '3// 7?||{
(?? xk ne)[ey? ?c?< ?5 ? ,??+ c? eg ? y + c? 5hihuhqfh &rqwuro 6wdwh 6hohfwb )hhgedfn &r &r &r &r &r &r )r )r )r 26&l 26&r 35, 6(& 56(/ /26 /26 06 06 567 *7r *7l )6 )6 966 9'' 7567 d+j?,)?s6?? '3//brxw 5hihuhqfh 5h*hqhudwhbfon 2 d+j?,)? s6?? eg?y + c? + dpll eg9 ,x 16 .3 84 m h z/12 .3 52 m h z ,xjs ?{ *0 st-bu s ,x e1/t 1 jsa? !9 ? , ne)[ey??c? <? + 1. 54 4 mhz 2.04 8 m h z 8 k h z yteg? ?ey?? t0 dpll
` ?5 ?*?? +,x ?o\ ? ?5$d ?,xeg9ne)[ ?6?aj, ?5 ?,?? + c?? +,?? eg9 dpll ,x ?5 ? reference ,xb g 'a1 ? *cy?a? ? 8,x ne)[ ?`<#\ {*bga?/ ? o dpll 0(??e@6,x ?5 (?? ?? +o{
? |1 0(?? yf? ? +,x(??` <+f?eg9 ?.bn 7? |10(? ?? ?5 ? *?? +a dpll ? +,x{
+(?? bf?o,x ?5 ?bg ?/ ? los1 los 2 5
ZI9042 d+j?,)?8?( *` v1 .0 xk ?eg9 gti 1 ?{* 2.1 ne)[ey??c?< zi90 42 ,x ?5 ?,x10ne )[ ?1 8 k h z,1.544 m h z 5 2.048 m h z +f?eg 9 ? fs1,fs2 ey? ne )[ey?,xhg2?v>< 2 / ?c?<,hey? f8o c1.5o 5 c2o 0j?,)?,x ?o\ ? >< 2 ne)[ey?g2? f s 2 f s 1 ?5 ?ne)[ 0 0 +- 0 1 8 k h z 1 0 1 . 5 4 4 m h z 1 1 2 . 0 4 8 m h z 2.2 ?5 ?*?? + !7 ??? j?,)? ,x eg?+ ?5 ?,xbg? n,x ?5 ?t,xew?,x ,!c? ? ? '
ckj?, )?eg? ?,x ,h,x,!j | 5 + bj?,)?e? 10 ?l ,x(?? jeg ?,x,!j| ?!eg9 e?? zi90 42 o ?5 ?$d eg9 7?| ???' ? 5 ?#\ ?17?|? 6 ?5 ?$d t10 ' ?5 ?6 !7 ?7? |?621 ?5 ?$d ?5 ?10 ?5 ?$d,xne )[, ? 5,x,!a ? 6?ew? z fs! ?5$d ?6 o 4- dpll ? +,x ?5 ? reference ,x,!c? ?e?? 2?43a?auz ?5 ?*?? + j10 s) ey,x ?5 ?4? ?4/? ,x+ c? aeg? 0 dpll ,x ?5 ? ! ew + c?!ew ?5 ? a ?o\ ?,!a !8,!ac?e? ?4/?+ c? `ey? ?5 ? ?5 ? ?4/?+ c? '3//,x ?5 ? !ew+ c? '3//,x ?o\ ? ghod\ '! ?5 ? 3 ?5 ?,x*?? + 6
ZI9042 d+j?,)?8?( *` v1 .0 ?1e?e? /trst ? sk ?4/?+ c?,x tie >9s + c?,x, dpll s*,x ?5 ? ?5 ? k?6{* ,x,!c?c?m2 ? dpll eg?,x ?,xj|3\? + c? ,x, ? 5 ?a dpll ,xeg?k? y,a a1 , aa ?5 ? ,x?6 z ?1 ? ?5 ?,x,ayg 2.3 d+j?,)? dpll 4 d +j?,)? dpll ? +,x4x /? +hh ,< )?c?$? "?< )?c?a hl$e< d {95 < ?{
+ c?4?? 3kdvh 'hwhfwru olplwhu /rrs )lowhu 'ljlwdoo\ &rqwurohg 2vfloodwru &rqwuro &lufxlw 9luwxdo 5hihuhqfh )hhgedfn 6ljqdo 6wdwhb6hohfwb 6wdwhb6hohfwb qvxv )luvw2ughuorzsdvvilowhu+] fxwriiiuhtxhqf\ =l&'3//%orfn'ldjudp 4 d+j?,)?,x4xa)?c?,x6? 2. 3. 1 d{95< {
+ c?,x0*? d{95< digitally controled oscillator ?110 /??? !7 norm al ??? dco b)?c?$?"?<,xeg?{*95eg? ? ? holdover ??? dco ?!7(??,x? a ms 60m s ,x95ne)[7?+e> 7?+e> freerun ??? dco 1a10js, ,xne)[?.bz7?+e> 2. 3. 2 hh,< hh,<? +! ew97? ?5 ?*?? +,x ?5 ? reference
`ne )[ ey?<,x ?o\ ? fe edb a ck ,x, !a o?ta,!a,h,x,a ? 2. 3. 3 l$e< l$e< li m i ter y
97?hh,<,x, a ? .b eg?,x ?s k)?c?ah, !,xez$c? at & t ,x??,!8 ! us ?b 7.6ns ! 1.326m s ?b ns 7
ZI9042 d+j?,)?8?( *` v1 .0 2. 3. 4 )?c?$?"?< )?c?$?"?<1b?l
"e?$?"?< t!6ne)[ 2.0hz 2. 3. 5 {
+ c? {
+ c? b(??,xeg? ?{
dpll e> !7 ?7?+e> ?? 2.4 eg?y + c? eg?y + c? b dpll eg?,x 16 .3 84 m h z
` 12 .3 52m hz js ? ne{* 0 st-bus ,xjs a? ? ? ?,xhg2??? 2.5 ?5 ?,??+ c? a?f? ? 5 ?,x0u ,x,!j| e? ?5$dk ,x?6ck,x ,!,xj| f??+8? ( a *,xjs ? {*,!j| 'f? ?5 ?#\ne )[ ?cy?? ??a?8 dpll e9 7?|? (?? 2.6 7?| / |{
(?? |{
5 ? 8?(,x 10?? ?{
eg9 ? ms2 ms1 rsel
` gti ,x{
10 (??a {
eg9,xg 2?v>< 3 / 8?(,x10 (??+ ?5$d ,xey?a dpll ?,x 3 /?? ? 7?+ 95 !7
`? x? 6?h/?(? ? s0 s1 s2 s3 s4
` s5 b eg9,x ? ? 8?(,x1 0(???, h ? >< 3 |{
(??e@/?>< eg 9 {
(? ? m s 2 m s 1 r s e l gt i s0 7?+95 s1 !7 1 pri ?5 s2 !7 1 sec ?5 s1h ? 1 pri ?5 s2h ? 1 sec ?5 0 0 0 0 s 1 ? s1 mtie s 1 s 1 mtie 0 0 0 1 s 1 ? s1 mtie s1 mtie s1 mtie 0 0 1 x s 2 s 2 mtie ? s2 time s2 time 0 1 0 x eg9 s1h eg9 ? eg9 0 1 1 x eg9 s 2 h s 2 h eg9 ? 1 0 x x ? s 0 s 0 s 0 s 0 8
ZI9042 d+j?,)?8?( *` v1 .0 ?uaa,x (?? ?,x yo? ? tie + c?? ck0* yo ???? ><?my mtie ,x >5 ? ' ?5 ?8? (?!7(? ?e9,h,x 7?|?,xe? #?(?? !8 a b{
? ?6??e9 4 /?(?? $$ vp gti 0 ? 1 ! ?5 ?6y e2h!7(?? $$ b{
? ,s1a e@9 s0 s1 s1h s2; s2a e@9 s0 s1 s2h s2 |{
???(??e@/?v 5 / 6 )uhhuxq 6$ $xwr+rogryhu 6$ $xwr+rogryhu 6 1rupdo 6 1rupdo 6+ +rogryhu 6+ +rogryhu *7l *7l ,56 ,56 |{
(??e@/? 5 |{
(??e@/? 7?|{
(? ?? 8? ( ,x 10(??`< +eg9 ? los1 los2 gti a rst ? '!10(?? ?n v>< 4 /7?|105?,x(??e@/?>< 9
ZI9042 d+j?,)?8?( *` v1 .0 >< 4 7?|{
(??e@/?>< eg 9 {
(? ? los 2 l o s 1 gt i rs t s0 7?+95 s1 !7 1 pri ?5 s2 !7 1 se c ? 5 s1h ? 1 pri ?5 s2h ? 1 se c ?5 1 1 x 0 to 1 ? s 0 s 0 s 0 s 0 x 0 0 1 s 1 ? s1 mtie s1 s1 mtie x 0 1 1 s 1 ? s1 mtie s1 time s1 time 0 1 0 1 s 1 s 1 h ? ? s2 time 0 1 1 1 s 2 s2 m i t e ? s2 time s2 time 1 1 x 1 ? s 1 h s 2 h ? ? v 6 /7?|{
???,x(??e@/? 10
ZI9042 d+j?,)?8?( *` v1 .0 6 )uhhuxq 6$ $xwr+rogryhu 6$ $xwr+rogryhu 6 1rupdo 6 1rupdo 6+ +rogryhu 6+ +rogryhu [ [ ,56 ,56 7?|{
(??e@/? 5hvhw [5hvhw [ [ [[ [[ [[ [ ru[ ru[ [[ [ [ [ [ [[ [[ [ [ 6 7?|{
(??e@/? 3 ZI9042 ,x?u?6??? 1?>5gjs !9+ c?,x ?/??6??? ?jn 3.1 ?yj| intrinsic jitter ?yj|+ 8?(d{* ,xj| j w,xeg?0?t 1#g e?e? 8?(eg90? t9j|,x ? 5 ? #geg ? ?,xj| 5k ?y j|3 ?1 8?(10m2 !9(??? #g v7? +95 ???? #g8?(eg? 0?,xj| ? yj|?8q be?*,x?? *?/?l$ e? $?"? 5g ' ?5 ? dyj|j? ,)?!710 ,x6?o ! v y j| ne)[,x?j |, 11
ZI9042 d+j?,)?8?( *` v1 .0 b ?5 ? j?,)? ?j?ng?9? j?n,x6?o #gj|?l$ s*,xj| z
`ne)[ ? ??e?*,x ?? 3.3 j|?e? jitter thansfer j|?e? jitter thansfer /?j|>d jitter attenuation ?,x ' `ne)[t 9eg9j| qbe?*,x? ? * ,x $?"?<# geg?0?,xj| 5au1k?j|>d?? zi90 42 y?tyf? ?nj| >d gyf? 2. 0hz "e?$? "?<
`,!p )[l$
< , !p)[ l$
<^eg? ,x,!p)[l$
5 n s /1 25 us 1? e- 'eg9 ? ,x,!p)[cy ?ze-t !veg 90?,m2?z,x"nej|??? ??,xeg?,!p)[>l$
>d 5ns/125us zi90 42 y 8 teg?
` 3 t ?6?,xeg9ne )[ ey 24 /? ?6? ,xj |eg??d 5`,x ?oz 8khz 8khz 1 . 54 4mhz 1. 54 4m hz 2. 04 8 m hz 2 . 04 8m hz 3 /?? ??,xj|? eg)[d e-yeg?f? ?t ?{*,x ??,xj|?ege?*by,xeg? ? l??u"??,x 1 . 544 m h z ,x 1ui 64 4ns 5 2. 04 8mhz 1ui 48 8ns ?5 j ,1 5 s* ,xeg9
`eg?ne)[,xj|?eg?noyv?/,x_$ *e ,x )! v/| 9au1k ' t1 eg9j| 20ui( t1 ,x ui )! ) t1 t1 ,xj|>d 18db fw t1
` e1 ,xeg?j|?? () () ) 1 ( 3 . 3 488 644 _ 1 _ 1 1 1 1 1 _ 1 _ 1 5 . 2 10 20 _ 1 10 _ 1 _ 1 20 18 20 t ui ns ns output t output e uie uit output t output e ui output t input t output t a = = = = = = ? ? ? ? ? ? ? ? ? ? ? ? ? ? s*1t,x? "? y*>< 14 , >< 15 , >< 16 o,xj| ?eg?d ?1au1k? yeg9eg?4? k ,xj|>d ?1"?? b?t4-n j|z
`j |ne)[,xeg9 ? y,x eg9eg?4? k,xj|?eg ? d , ,x ?yj| , 1 ?,xj|eg9 ?,xj| >d,?ck9! ?,xj|eg9 ?,x j|>d?? ?u"?o !8 ?8ew ?,xeg9j| ?z _ v??j| ?l$,x 75 % ?9?k ? 12
ZI9042 d+j?,)?8?( *` v1 .0 .b,xj|?eg?d#g 3.4 ne)[?.bz fr equency accuracy ne)[?.bzn '8?(1 07?+95 ??? eg ?js ?,x 4a?a?l$ b zi9 042 , 7?+95 ???,xeg?js,xne)[?.bz1bjs osci ,xne)[?.bz 3.5 ?ne)[?.bz holdover accurary '8?(10 ???? eg?js c3cteg9 ?5 ? 5 b,|,x z ?db9eg ?ne)[ ?ne)[?.b zne-/? ???,xeg? js ?,x4 a?a?l$ b zi904 2, e-t,|db +!71 0???eg?jsj?nf? ?5 ?,x,g ?d?n zi90 42 ,x js osci ,x?.bzje
? ?ne)[?.b z ???? js,x?.bz,x ? h? e
??ne)[?.bz 3.6 )9?8 captur e range )9?83/? 0(i8 pull- in range a1ne)[8 y,xeg9 ? 5 ? ?1 ^ zi90 42 ,x eg?(i !9(?? zi9 042 ,x)9? 81b s s p ? js 2 6 & l ,x ne)[?.bz _v 81 js,xne)[?.b z ssp )9?8 ssp 3.7 j?n8 lock range a1ne)[8y,xeg9 ?5 ? ?1s ZI9042 ? !9(?? ZI9042 ,xj?n81b)9?8 3.8 ,!p)[ phase slope ,!p)[ 4-n ?, b)? ?,x ,! ?)[ )!/| / /| e-t4-n ? l _??? eg? ? 5)? ??t?nne)[,x ? t1b?4?,xeg? ?ne)[?4?,xeg9 ?ne)[ 3.9 kklha?a t i me interval err o r / tie 4-nn ?
`)?n ?k,xke3 3.10 ??kklha?a maximum t i me interval err o r / mtie mtie ?(mn,x??#k!?y 4-nn ?
`)?n ?k,x????e3 mtie(s) = tiem ax(t) ? tiem in(t) 3.11 ,!e24? phase continuity n4-n ?a)? ? ?t(mn,x ??#k!?? ,x,!a e?4-n ?
`)? ? ne )[,x ? , !e24??? e?*b ? 5ne)[?6 10???6 5ck ?,x d| a,xeg ?js ? ??#!?e?d| *j?,)?e90n,x(??k,xk zi90 42 b ?),x ?5? 6
`? ? ? ?? ,xa h ?? keg? ?,x ,! ?? b 13
ZI9042 d+j?,)?8?( *` v1 .0 5ns ,x ,/? lc ? 5?6 ? ? ?,x ? 65 ?6? a??? a? 3 /? 2 00n s 5j ? )[?cye?? ?,!p)[ 4z 5 n s/ 12 5us e-$c? a t &t tr6 241 1 ?u",x??, !p)[?? 7.6n s/1 2 5 u s 81ns/1.326m s 3.12 ,!j?nk phase lock t i me ,!j?nk ?j?,)?j?n eg9 ? l??u,xk 'eg9 ?
` eg? ?,f kay, !,x ? j|h >? .bnj?nk\?l?,x $$ eg9eg? ?,x??,!a $$ eg9eg? ?,x??ne)[a $$ )?c?$?"?< $$ ,!p)[l$
< ?? j?nkc^- c^q + b?u$c?jw ?o?? kksj?n k _v )?c? $?"?<,xt7? ne)[c^" j|?eg(m? c^q ?e 7ks,xj?n ,xk j 81^,!p)[ l$
kc^ ? a1nm? 6? c^q 5 j? nkc^ks zi9 042 ,x)? c?$?"?<
`, !p)[l$
< 4e? ? 1$c? at & t tr62 41 1 ,xj |?eg
`,! p)[?? 5 ,!j?nk e-t?? "uy??n,x? ? ?u! jwh* ks 3.13 z i 9042 $c?,x+ 5%4??8 zi90 42 `< $ c?1?+ 5% 4??8e?* bj?,)?,x?u " v i n tr ins i c ji tt er , jit ter t o le ranc e, ji tt er tra n sfer , frequency accuracy , holdover accuracy , capture range, phase change slope, mtie 1. a t &t tr6241 1 (ds1) decem ber 1990 for stratum 3, stratum 4 enhanced and stratum 4 2. ansi t1.101(ds1) february 1994 for stratu m 3, stratum 4 enhanced and stratum 4 3. etsi 300 01 1 (e1) april 1992 for single access and multi access 4. tbr 4 novem b er 1995 5. tbr 12 decem ber 1993 6. tbr 13 january 1996 7. itu-t i.431 march 1993 14
ZI9042 d+j?,)?8?( *` v1 .0 4 ZI9042 ,xh* 8vaas * zi90 42 ?u5<%,xt kanl yjs$d j'95< xk !+ c? + $do4- ??{
1 4.1 10js zi90 42 ?1 yjs$d 5s*yj ' ?95+ c? 0 10 js 7? + e> ??? js eg?,xne)[? a frequ en cy to lerance a 10js, vp7? +e> ??? jseg?,xne )[8y ?u" osci eg9,x10js?no$c?a1?u" a?au10 js,xne)[2?z no5<%,x1 `tkanlj? n)8 captur e ra nge j?n)8 a js,xne)[?a
`d 10js,xne)[2?z#ac^? j?n)8c^? $$ s*f?js$d s*f? js$d f?js osci eg9 osco ?0n f?js,x?u" 4 95ne)[ 95ne)[,x#yz(m? t a?l!k eg?+ ga 40n!11 ??? ac ?d>< $$ s*j'95< ?1s*j' a zi904 2 y f?,x+ c?x? ?tj'95 < + c?v 7 / ,xj'?ug?* ? "? 95 sk95 ?,x 40n!$c??u" |9$,xj' ?d frequency : 20mhz t o lerance: +a?au5n oscillation mode: fundam e ntal resonance mode: parallel load capacitance: 32pf ? ?+ ?*bahj'95,xne)[ vp?u"p? ?1 ?] aj6(,x+ ? 56pf 15
ZI9042 d+j?,)?8?( *` v1 .0 26&l 26&r =l 0+] s) 0 + s) s) 7 j'95+ c? 4. 1. 1 xkah b a t & t tr6241 1 ,x? a?hg? ?5 ?k ,x?6 ?y ?5 ?>d : a ?5 ? ! ? 6 ?5 ? ? ? 5 ?,x?6,x ?"? ' ?5 ?>d: a s zi90 42 e9?? ? holdover m ode , vp ?n,xk y x k ? 5 ?6!7 zi9 042 2!7,x no r m a l ?? ?6 ?5 ? ?5 ?,x>d:?4 kcy?x k 5 ? 5 ?!7 ?5 ?!? 6 ? 5 ? x k + gti p?+ g?n vp gti p?+ g >< a?4cy? xkz 8 g?* rc + c?r)? xk,x1t ) + c? x k?4z rc cx0. 6 + l rp x+ l l$
]+ # 9 gti ,x+ # ,x?? + l rd o z ?5 ?!7 a ? eg?+ ? c t,x+ 9k,x e? c? sk?? ?,xxk ?e
? vp+ ? c t,x+ 9k "u yg?` ?5 ??? >d: xk? ?- *7r *7l =l n x) 5s 5g n 5f n & 8 g?* rc + c?,xxk+ c? g t i ,x10"?6v 9 / 16
ZI9042 d+j?,)?8?( *` v1 .0 9vlk *7r *7l ?6 ? 5 ?6(& x k 9 gti ,x10"?6 a?5bxk ,x o?tq? |? ?? vp gt i "u ycye?k? l$ vsih, g gt i fee"+ g ? holdover ??2 !7 (norm a l) ?? ti e 4t!7+ c? 0>9s e- -ke9 ?(?? {*,x,!# a?2!7 ??+j? ,)?c?#\l8 fs!!7? ???a? ??k,x? ? e@/?e?? ?5 ?aeg? ?k,a,x/?3 4. 1. 2 !+ c? 10 o z ?t1t ),x !+ c? ,a,x b+ $dye? /rst t {*?t6y? ?b 3 0 0ns ,xb6y ? s ZI9042 yf?+ c? ?m4,x! + l rp l$#+ l 567 =l q) 9 5s n 5s n 10 !+ c? 4. 1. 3 + $d,x>? ?;? zi90 42 +?t + $d6? vdd a?t 6? vss vd d a vs s k ?noy ?;?+ ? v 11 / 17
ZI9042 d+j?,)?8?( *` v1 .0 & x) & x) 11 ?;?+ ?,xy"? 4.2 z i 9042 ,x?6??? >< 5 absolute maximum ratings* - v o ltages are w i th respect to ground (vss) unless otherw i se stated p a r a m e t e r s y m b o l m i n m a x u n i t s 1 s u p p l y v o l t a g e v dd - 0 . 3 7 . 0 v 2 v o ltage on any pin v pin - 0 . 3 v dd + 0 . 3 v 3 current on any pin i pin 2 0 m a 4 s t o r a g e tem p e r a t u r e t st - 5 5 1 2 5 5 plcc package power dissipation p pd 9 0 0 m w * exceeding these values m a y cause perm anent dam a ge. functional operation under these conditions is not im plied. >< 6 recommended operating conditions* - * v o ltages are w i th respect to ground (vss) unless otherw i se stated c h a r a c t e r i s t i c s s y m m i n m a x u n i t s 1 s u p p l y v o l t a g e v dd 4 . 5 5 . 5 v 2 o p e r a t i n g tem p e r a t u r e t a - 4 0 8 5 18
ZI9042 d+j?,)?8?( *` v1 .0 >< 7 dc electrical characteristics* - * v o ltages are w i th respect to ground (vss) unless otherw i se stated c h a r a c t e r i s t i c s s y m min m a x u n i t s c o n d i t i o n s / n o t e s 1 supply current with: osci = 0v i dds 1 0 m a outputs u n l o a d e d 2 osci = clock i dd 6 0 m a outputs u n l o a d e d 3 ttl high-level input voltage v ih 2 v 4 ttl low-level input voltage v il 0 . 8 v 5 cmos high-level input voltage v cih 0 . 7 v dd v o s c i 6 cmos low-level input voltage v cil 0.3v dd v o s c i 7 schm itt high-level input voltage v sih 2 . 3 v gt i , / r s t 8 schm itt low-level input voltage v sil 0 . 8 v gt i , / r s t 9 schm itt hysteresis voltage v hys 0 . 4 v gt i , / r s t 10 input leakage current i il - 1 0 + 1 0 u a v i =v dd or 0v 1 1 high-level output voltage v oh 2 . 4 v v i oh =10m a 12 low-level output voltage v ol 0 . 4 v v i ol =10m a * supply voltage and operating tem p erature ar e as per recom m e nded operating conditions. >< 8 ac electrical characteristics ? performance c h a r a c t e r i s t i c s s y m min m a x u n i t s conditions/notes? 1 freerun mode accuracy with osci at: 0ppm - 0 + 0 ppm 2 32ppm - 3 2 + 3 2 ppm 3 100ppm - 1 0 0 + 1 0 0 ppm 5-8 4 holdover mode accuracy with osci at: 0ppm - 0 . 0 5 + 0 . 0 5 ppm 1 , 2 , 4 , 6 - 8 , 4 0 5 32ppm - 0 . 0 5 + 0 . 0 5 ppm 1 , 2 , 4 , 6 - 8 , 4 0 6 100ppm - 0 . 0 5 + 0 . 0 5 ppm 1 , 2 , 4 , 6 - 8 , 4 0 7 c a p t u r e r a n g e w i t h o s c i a t : 0ppm - 2 3 0 + 2 3 0 ppm 1 - 3 , 6 - 8 8 32ppm - 1 9 8 + 1 9 8 ppm 1 - 3 , 6 - 8 9 100ppm - 1 3 0 + 1 3 0 ppm 1 - 3 , 6 - 8 10 phase lock tim e 30 s 1-3,6-14 1 1 output phase continuity with: reference switch 200 n s 1 - 3 , 6 - 1 4 12 m ode switch to norm al 200 ns 1-2,4-14 13 m ode switch to freerun 200 ns 1-,4,6-14 14 m ode switch to holdover 50 ns 1-3,6-14 15 mtie (m axim um tim e interval error) 600 ns 1-14,27 16 output phase slope 45 us/s 1-14,27 1 7 reference input for auto-holdover with : 8khz -18k + 1 8 k ppm 1-3,6,9-1 1 19
ZI9042 d+j?,)?8?( *` v1 .0 1 8 1 . 5 4 4 m h z - 3 6 k + 3 6 k ppm 1-3,7,9-1 1 1 9 2 . 0 4 8 m h z - 3 6 k + 3 6 k ppm 1-3,8-1 1 ? s ee "notes " following ac electrical characteris tics tables . >< 9 ac electrical characteris t ics - t iming parameter measurem en t v o ltage le vels* - v o ltages are w i t h respect to ground (vss) unless otherw ise stated. characteristics sym schmitt ttl cmos units 1 threshold v o ltage v t 1.5 1.5 0.5v dd v 2 rise and fall threshold v o ltage high v hm 2.3 2.0 0.7v dd v 3 rise and fall threshold v o ltage low v lm 0.8 0.8 0.3v dd v * supply voltage and operating tem p erature ar e as per recom m e nded operating conditions. * t i m i ng for input and output signals is based on the worst case result of the com b ination of ttl and cmos thresholds. * see figure 10. >< 10 k ?d ?j8 c ? ? 0 ? ?? ns ?? ( n s ) 1 ?5 ?6y??z p?" t_r w 1 0 0 2 ?5 ?eg9t a?l!k t _ i r f 1 0 3 8khz ?5 ?eg9 f8o ,x t _ r 8 d - 2 1 6 4 1.544mhz ?5 ?eg9 f8o ,x t _ r 1 5 d 3 3 7 3 6 3 5 2.048mhz ?5 ?eg9 f8o ,x t _ r 2 d 2 2 2 2 3 8 6 f8o f0o_n ,x t _ f 0 d 1 1 0 1 3 4 7 f16o_n , c16o_n ,x?l!k t _ f 1 6 s 1 1 3 5 8 f16o_n , c16o_n ,xt "?,x?k t _ f 1 6 h 0 2 0 9 f8o c1.5o ,x t _ c 1 5 d - 5 1 - 3 7 10 f8o c3o_n ,x t _ c 3 d - 5 1 - 3 7 11 f8o c2o ,x t _ c 2 d - 1 3 2 12 f8o c4o_n ,x t _ c 4 d - 1 3 2 13 f8o c8o ,x t _ c 8 d - 1 3 2 14 f8o c16o_n ,x t _ c 1 6 d - 1 3 2 15 c1.5o 6y??z "p? t _ c 1 5 w 3 0 9 3 3 9 16 c3o_n 6y??z "p? t _ c 3 w 1 4 9 1 7 5 17 c2o 6y??z "p? t _ c 2 w 2 3 0 2 5 8 20
ZI9042 d+j?,)?8?( *` v1 .0 18 c4o_n 6y??z "p? t _ c 4 w 1 1 1 1 3 3 19 c8o 6y??z "p? t _ c 8 w 5 2 7 0 20 c16o_n 6y??z "p? t _ c 1 6 w l 2 4 3 5 21 f0o_n 6y??z " t _ f 0 w l 2 3 0 2 5 8 22 f8o 6y??z p? t _ f 8 w h 1 1 1 1 3 3 23 f16o_n 6y??z " t _ f 1 6 w l 5 2 7 0 24 js
`?6y?eg?,xt ?l!k t _ o r f 9 25 eg9{
?0?k t _ s 1 0 0 26 eg9{
?k t _ h 1 0 0 &rbq &r &rbq &r wb):+ wb)r' wb)r:/ wb):/ wb)+ wb)6 wb&:/ wb&' wb&' wb&' wb&' wb&' wb&' wb&: wb&: wb&: wb&: wb&: wb&: wb&: &rbq &r wb&: )r )rbq )rbq wb5: wb5' wb5' wb5: wb5: wb5: wb5' 35,6(& n+] 35,6(& 0+] 35,6(& 0+] 12 eg? ?"?6 21
ZI9042 d+j?,)?8?( *` v1 .0 9w 9w 9w )r 0606/26 /2656(/*7l wb6 wb+ 13 eg9{
?,x?0?a?k wb5: wb5: wb5: wb5' wb5' wb5' 9w 9w 9w 9w 35,6(& n+= 35,6(& 0+= 35,6(& 0+= )r 14 eg9 ?5 ?aeg? ?,xcg2? !7?? 22
ZI9042 d+j?,)?8?( *` v1 .0 >< 11 ac elec tric al charac teris t ic s - intrins i c j i tter unfiltered c h a r a c t e r i s t i c s s y m min m a x u n i t s conditions/notes? 1 intrinsic jitter at f8o (8kh z ) 0 . 0 0 0 2 u i p p 1 - 1 4 , 2 1 - 2 4 , 2 8 2 intrinsic jitter at /f0o (8kh z ) 0 . 0 0 0 2 u i p p 1 - 1 4 , 2 1 - 2 4 , 2 8 3 intrinsic jitter at /f16o (8kh z ) 0 . 0 0 0 2 u i p p 1 - 1 4 , 2 1 - 2 4 , 2 8 4 intrinsic jitter at c1.5o (1.544mhz) 0.030 uipp 1-14,21-24,29 5 intrinsic jitter at c2o (2.048mhz) 0.040 uipp 1-14,21-24,30 6 intrinsic jitter at /c3o (3.088mhz) 0.060 uipp 1-14,21-24,31 7 intrinsic jitter at /c4o (4.096mhz) 0.080 uipp 1-14,21-24,32 8 intrinsic jitter at c8o (8.192mhz) 0.160 uipp 1-14,21-24,33 9 intrinsic jitter at /c16o (16.384mhz) 0.320 uipp 1-14,21-24,34 ? s ee "notes " following ac electrical characteris tics tables . >< 12 ac electrical characteristics - c1. 5o (1.544mhz) intrinsic jitter filtered c h a r a c t e r i s t i c s s y m min m a x u n i t s conditions/notes? 1 intrinsic jitter (4hz to 100khz f i l t e r ) 0 . 0 1 5 u i p p 1 - 1 4 , 2 1 - 2 4 , 2 9 2 intrinsic jitter (10hz to 40khz f i l t e r ) 0 . 0 1 0 u i p p 1 - 1 4 , 2 1 - 2 4 , 2 9 3 intrinsic jitter (8khz to 40khz f i l t e r ) 0 . 0 1 0 u i p p 1 - 1 4 , 2 1 - 2 4 , 2 9 4 intrinsic jitter (10hz to 8khz f i l t e r ) 0 . 0 0 5 u i p p 1 - 1 4 , 2 1 - 2 4 , 2 9 ? s ee "notes " following ac electrical characteris tics tables . >< 13 ac electrical characteristics - c 2o (2.048mhz) intrinsic jitter filtered c h a r a c t e r i s t i c s s y m min m a x u n i t s conditions/notes? 1 intrinsic jitter (4hz to 100khz f i l t e r ) 0 . 0 1 5 u i p p 1 - 1 4 , 2 1 - 2 4 , 3 0 2 intrinsic jitter (10hz to 40khz f i l t e r ) 0 . 0 1 0 u i p p 1 - 1 4 , 2 1 - 2 4 , 3 0 3 intrinsic jitter (8khz to 40khz f i l t e r ) 0 . 0 1 0 u i p p 1 - 1 4 , 2 1 - 2 4 , 3 0 4 intrinsic jitter (10hz to 8khz f i l t e r ) 0 . 0 0 5 u i p p 1 - 1 4 , 2 1 - 2 4 , 3 0 ? s ee "notes " following ac electrical characteris tics tables 23
ZI9042 d+j?,)?8?( *` v1 .0 >< 14 ac electrical characteristics - 8khz input to 8khz output jitter t r ansfer c h a r a c t e r i s t i c s s y m min m a x u n i t s conditions/notes? 1 jitter attenuation for 1hz@0.01uipp i n p u t 0 6 d b 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 8 , 3 5 2 jitter attenuation for 1hz@0.54uipp i n p u t 6 1 6 d b 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 8 , 3 5 3 jitter attenuation for 10hz@0.10uipp i n p u t 1 2 2 2 d b 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 8 , 3 5 4 jitter attenuation for 60hz@0.10uipp i n p u t 2 8 3 8 d b 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 8 , 3 5 5 jitter attenuation for 300hz@0.10uipp i n p u t 4 2 d b 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 8 , 3 5 6 jitter attenuation for 3600hz@0.005uipp i n p u t 4 5 d b 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 8 , 3 5 ? s ee "notes " following ac electrical characteris tics tables . >< 15 ac electrical characteristics - 1.544mhz input to 1.544mhz output jitter t r ansfer c h a r a c t e r i s t i c s s y m min m a x u n i t s conditions/notes? 1 jitter attenuation for 1hz@20uipp i n p u t 0 6 d b 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 9 , 3 5 2 jitter attenuation for 1hz@104uipp i n p u t 6 1 6 d b 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 9 , 3 5 3 jitter attenuation for 10hz@20uipp i n p u t 1 2 2 2 d b 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 9 , 3 5 4 jitter attenuation for 60hz@20uipp i n p u t 2 8 3 8 d b 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 9 , 3 5 5 jitter attenuation for 300hz@20uipp i n p u t 4 2 d b 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 9 , 3 5 6 jitter attenuation for 10khz@0.3uipp i n p u t 4 5 d b 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 9 , 3 5 7 jitter attenuation for 100khz@0.3uipp i n p u t 4 5 d b 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 2 9 , 3 5 ? s ee "notes " following ac electrical characteris tics tables . 24
ZI9042 d+j?,)?8?( *` v1 .0 >< 16 ac electrical characteristics - 2.048mhz input to 2.048 mhz output jitter t r ansfer c h a r a c t e r i s t i c s s y m min m a x u n i t s conditions/notes? 1 jitter at output for 1hz@3.00uipp i n p u t 2 . 9 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 5 2 with 40hz to 100khz filter 0 . 0 9 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 6 3 jitter at output for 3hz@2.33uipp i n p u t 1 . 3 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 5 4 with 40hz to 100khz filter 0 . 1 0 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 6 5 jitter at output for 5hz@2.07uipp i n p u t 0 . 8 0 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 5 6 with 40hz to 100khz filter 0 . 1 0 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 6 7 jitter at output for 10hz@1.76uipp i n p u t 0 . 4 0 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 5 8 with 40hz to 100khz filter 0 . 1 0 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 6 9 jitter at output for 100hz@1.50uipp i n p u t 0 . 0 6 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 5 10 with 40hz to 100khz filter 0 . 0 5 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 6 1 1 jitter at output for 2400hz@1.50uipp i n p u t 0 . 0 4 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 5 12 with 40hz to 100khz filter 0 . 0 3 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 6 13 jitter at output for 100khz@0.20uipp i n p u t 0 . 0 4 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 5 14 with 40hz to 100khz filter 0 . 0 2 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 , 3 0 , 3 6 ? s ee "notes " following ac electrical characteris tics tables . >< 17 ac electrical characteristics - 8khz input jitter t o lerance c h a r a c t e r i s t i c s s y m min m a x u n i t s conditions/notes? 1 jitter tolerance for 1hz input 0 . 8 0 u i p p 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 8 2 jitter tolerance for 5hz input 0 . 7 0 u i p p 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 8 3 jitter tolerance for 20hz input 0 . 6 0 u i p p 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 8 4 jitter tolerance for 300hz input 0 . 2 0 u i p p 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 8 5 jitter tolerance for 400hz input 0 . 1 5 u i p p 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 8 6 jitter tolerance for 700hz input 0 . 0 8 u i p p 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 8 7 jitter tolerance for 2400hz input 0 . 0 2 u i p p 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 8 8 jitter tolerance for 3600hz input 0 . 0 1 u i p p 1 - 3 , 6 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 8 ? s ee "notes " following ac electrical characteris tics tables . 25
ZI9042 d+j?,)?8?( *` v1 .0 >< 18 ac electrical characteristics - 1.544mhz input jitter t o lerance c h a r a c t e r i s t i c s s y m min m a x u n i t s conditions/notes? 1 jitter tolerance for 1hz input 1 5 0 u i p p 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 9 2 jitter tolerance for 5hz input 1 4 0 u i p p 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 9 3 jitter tolerance for 20hz input 1 3 0 u i p p 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 9 4 jitter tolerance for 300hz input 3 5 u i p p 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 9 5 jitter tolerance for 400hz input 2 5 u i p p 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 9 6 jitter tolerance for 700hz input 1 5 u i p p 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 9 7 jitter tolerance for 2400hz input 4 u i p p 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 9 8 jitter tolerance for 10khz input 1 u i p p 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 9 9 jitter tolerance for 100khz input 0 . 5 u i p p 1 - 3 , 7 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 2 9 ? s ee "notes " following ac electrical characteris tics tables . >< 19 ac electrical characteristics - 2.048mhz input jitter t o lerance c h a r a c t e r i s t i c s s y m min m a x u n i t s conditions/notes? 1 jitter tolerance for 1hz input 1 5 0 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 3 0 2 jitter tolerance for 5hz input 1 4 0 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 3 0 3 jitter tolerance for 20hz input 1 3 0 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 3 0 4 jitter tolerance for 300hz input 5 0 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 3 0 5 jitter tolerance for 400hz input 4 0 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 3 0 6 jitter tolerance for 700hz input 2 0 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 3 0 7 jitter tolerance for 2400hz input 5 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 3 0 8 jitter tolerance for 10khz input 1 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 3 0 9 jitter tolerance for 100khz input 1 u i p p 1 - 3 , 8 , 9 - 1 4 , 2 1 - 2 2 , 2 4 - 2 6 , 3 0 ? s ee "notes " following ac electrical characteris tics tables . 26
ZI9042 d+j?,)?8?( *` v1 .0 >< 20 ac electrical characteristics - osci 20mhz master clock input c h a r a c t e r i s t i c s s y m min m a x u n i t s conditions/notes? 1 - 0 + 0 ppm 1 5 , 1 8 2 - 3 2 + 3 2 ppm 1 6 , 1 9 3 frequency accuracy (20 mhz nom inal) - 1 0 0 + 1 0 0 ppm 1 7 , 2 0 4 d u t y cy c l e 4 0 6 0 % 5 r i s e tim e 1 0 n s 6 f a l l tim e 1 0 n s ? s ee "notes " following ac electrical characteris tics tables . ? n o t e s : v o ltages are with respect to ground (v ss ) unless otherwise stated. supply voltage and operating tem p erature ar e as per recom m e nded operating conditions. t i m i ng param e ters are as per ac electrical characteris tics - t i m i ng p a ram e ter m eas urem ent v o ltage levels 1. pri reference input selected. 2. sec reference input selected. 3. norm al m ode s e lected. 4. holdover mode selected. 5. freerun mode selected. 6. 8khz frequency mode selected. 7. 1.544mhz frequency mode selected. 8. 2.048mhz frequency mode selected. 9. master clock input osci at 20mhz 0ppm. 10. master clock input osci at 20mhz 32ppm. 1 1 . master clock input osci at 20mhz 100ppm. 12. selected reference input at 0ppm. 13. selected reference input at 32ppm. 14. selected reference input at 100ppm. 15. for freerun mode of 0ppm. 16. for freerun mode of 32ppm. 27
ZI9042 d+j?,)?8?( *` v1 .0 17. for freerun mode of 100ppm. 18. for capture range of 230ppm. 19. for capture range of 198ppm. 20. for capture range of 130ppm. 21. 25pf capacitive load. 22. osci master clock jitter is less than 2nspp, or 0.04uipp where1uipp=1/20mhz. 23. jitter on reference input is less than 7nspp. 24. applied jitter is sinusoidal. 25. minim u m applied input jitter m a gn itude to regain sy nchronization. 26. loss of sy nchronization is obtained at slightly higher input jitter am plitudes. 27. w ithin 10ms of the state, reference or input change. 28. 1uipp = 125us for 8khz signals. 29. 1uipp = 648ns for 1.544mhz signals. 30. 1uipp = 488ns for 2.048mhz signals. 31. 1uipp = 323ns for 3.088mhz signals. 32. 1uipp = 244ns for 4.096mhz signals. 33. 1uipp = 122ns for 8.192mhz signals. 34. 1uipp = 61ns for 16.384mhz signals. 35. no filter . 36. 40hz to 100khz bandpass filter . 37. w ith respect to reference input signal frequency . 38. after a /rst or /trst . 39. master clock duty cy cle 40% to 60%. 40. prior to holdover mode, device was in normal mode and phase locked. 5 ? ZI9042 g?* plcc-28 ?>? j?v 15 / 28
ZI9042 d+j?,)?8?( *` v1 .0 15 ZI9042 ,x? 29

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