product brief www.semtech.com monolithics SMI4037 39.8 to 44.6 gbps 1:16 cdr/demultiplexer product description SMI4037 accepts single-ended or differential 39.8 to 44.6 gbps nrz serial data streams and demultiplexes the data into sixteen parallel output channels consistent with the sfi-5 standard. product highlights 4 1:16 cdr/demultiplexer supports from 39.8 to 44.6 gbps data rates 4 user enabled differential decoder function 4 sfi-5 compliant client side interface 4 ground referenced high speed differential input ports ? input eye opening sensitivity: 100 mvp-p (at 40gbps) ? sonet compliant clock jitter tolerance 4 half rate user enabled recovered clock (19.9 to 22.3 ghz) ? ground referenced cml ? 0.4 to 0.8 volt pp differential output level 4 reference clock input port at 1/64th the line-side baud-rate 4 prws error checker and pattern generator: 2 7 -1 or 2 31 -1 patterns ? on chip error counter for measuring ber ? lane by lane error checking 4 512 bit arbitrary pattern generator 4 spi control interface supports 1.2v or 1.8v lvcmos 4 temperature sense output voltage 4 dual power supply voltages: +1.2 or +1.8v and -2.8v 4 low power consumption: 2.8 watts (typical) applications 4 oc768/otu3 modules and transponders 4 mspp, adm and cross-connects 4 ip routers and switches optical transport & datacom products si err a
product brief SMI4037-pb www.semtech.com monolithics status control logic extlos sel rxs rxs _ sel [ 1 : 0 ] rxdata [ 15 ] p / n rxdata [ 0 ] p / n rxmclkp / n rxmclk _ en rxcksrcp / n rxdscp / n rxdckp / n . . . rxdck _ en rxdata _ en reset _ n rxdatain _ p rxdatain _ n dac rclkp / n cdr _ loc k _ err rxrefclk p / n + dac cdr prbs error checker prbs block d q p s k d e c o d e r rxlf _ p rxlf _ n c 2 c 1 r ph _ adj [ 4 : 0 ] th _ adjp [ 7 : 0 ] + dac rclk _ en s w a p _ 0 1 rxdatain _ delay 0 [ 5 : 0 ] i n v e r t [ 1 , 0 ] d e c o d e r _ e n peakdet [ 7 : 0 ] - 1 . 6 v regulator v e e _ v c o _ 0 v c c _ v c o _ 0 v d d _ s f i 5 v e e v c c ptat temp . sensor rx _ temp r e f n 1 6 _ o u t - 1 . 6 v reference r e f n 1 6 _ i n adc tem p rxclksrc _ en sfi - 5 block detector & status cdr block r x d a t a _ s e l [ 1 : 0 ] prbs pattern 2 7 / 2 31 data control fixed data data select frame generator sfi 5 compatabile i / o gnd referenced cml interface definitions ac coupled cml lvcmos ( 1 . 2 , 1 . 8 v ) a d c > extlos r xlos th _ adjn [ 7 : 0 ] los _ th [ 7 : 0 ] s p i _ e n _ n s p i _ c l k s p i _ d i n s p i _ d o u t spi subsystem control dacs control logic status resn resp 1 . 0 k bias current control sel ect r esi stor . . . v d d _ d i g i t a l v e e _ d i g i t a l v c c _ d i g i t a l v d d _ c o n t r o l v e e _ v c o _ 1 v c c _ v c o _ 1 diode temp . sensor gt emp _ p gt emp _ n rxdatain _ delay 1 [ 5 : 0 ] l i n e s i d e d e s k e w level shift peak det + - frame _ epoch SMI4037 block diagram 1:16 cdr/demultiplexer with differential decoder sierra monolithics inc. is now part of semtech incorporated. to view the most current product specifcations and datasheets, contact your local semtech field applications engineer. si err a
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