product brief www.semtech.com monolithics SMI4029 40-45 gbps 16:2 multiplexer/cmu with dqpsk precoder product description SMI4029 is a 16:2 multiplexer with on chip clock multiplier unit and dqpsk precoder that support the data rate from 40 to 45gbps consistent with sfi-5 standard. product highlights 4 sfi-5.1 compliant fifo and deskew functions 4 dual ground-referenced high-speed differential output ports ? 0.6 to 1.0 volt pp differential output level ? 11 psec (typical) rise/fall times ? 3.7 psec p-p total jitter (typical) ? data-to-data skew adjustments for each output data lane ? full bga package to support data rates: 19.9 to 22.3 gbaud 4 high-speed differential clock outputs with highly stable clock-data skew and low phase noise ? full (22.3 nominal) and half-rate (11.15 ghz nominal) cml clocks ? skew control of +/- 0.5ui on half-rate clock ? 0.8 volt pp differential output level ? bga launch to host printed circuit board 4 sonet-compliant clock multiplier unit (cmu) with vco 4 three user selectable reference clock input ports ? input reference clock rate is 1/4th client-side baud rate: 622.08 to 696.73 mhz 4 reference clock clean-up loop circuitry 4 on-chip prws error checker and pattern generator: 27-1 or 231-1 industry-standard patterns ? on-chip error counter for measuring ber ? lane-by-lane error checking 4 spi control interface supports wide range of logic families ? 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 bicmos silicon germanium technology for high reliability and lower cost 4 low power consumption: 2.4 watts (typical, hsclk outputs disabled) 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 SMI4029-pb www.semtech.com monolithics 16: 1 d e s k e w txdata [ 15] p / n txdscp / n txdata [ 14] p / n txdata [ 1 ] p / n txdata [ 0 ] p / n reset _ n deskew _ en txdataout [ 1 ] p / n c 2 txcksrcp / n refpll p / n phserr _ dnp / n 17 channel dll array hsclk [ 0 ] p / n txrefclkp / n txmclkp / n txmclk _ en - 1 . 6 v regulator phserr _ en frame _ epoch hsclk [ 1 ] p / n phserr _ upp / n txdckp / n sfi - 5 transmit controller v e e _ v c o v c c _ v c o v d d _ s f i 5 v c c v e e v d d d i g i t a l ptat temp . sensor c 1 r txdataout [ 0 ] p / n prbs error checker d q p s k p r e c o d e r precoder _ en clock multiplier unit ( cmu ) ? ? hsclk 0 _ ph [ 6 : 0 ] dac hsclk 0 _ en txooa cmu _ lock frame _ lock tx _ temp r e f n 1 6 _ o u t x 4 pll dllclk _ sel frame _ epoch _ en wrclk _ 15 wrclk _ 0 . . . . . . 1 , ? ? hsclk 1 _ ph [ 6 : 0 ] dac 2 : 1 phase detect refsel 2 : 1 deskew correlator prbs pattern 2 7 / 2 31 - 1 . 6 v reference r e f n 1 6 _ i n frame header acquistion m u x ? txdata 1 _ ph [ 6 : 0 ] dac txdata 1 _ lvl [ 3 : 0 ] 17 xn channel fifo array txdata _ sel [ 1 : 0 ] 1 , ? hsclk 0 _ fsel dac txdata 0 _ ph [ 6 : 0 ] dac txdata 0 _ lvl [ 3 : 0 ] dac hsclk 1 _ fsel data _ 15 data _ 0 sfi - 5 block prbs block mux block c m u b l o c k r e f s e l e c t b l o c k adc temp data select fixed data dac hsclk 0 _ lvl [ 3 : 0 ] hsclk 1 _ en dac hsclk 1 _ lvl [ 3 : 0 ] txdata 1 _ en txdata 0 _ en 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 c o n t r o l d a c s c o n t r o l l o g i c s t a t u s txlf _ p txlf _ n diode temp . sensor gtemp _ p gtemp _ n resn resp 1 . 0 k bias current control select resistor v d d c o n t r o l v e e d i g i t a l v c c d i g i t a l sfi 5 compatabile i / o gnd referenced cml interface definitions ac coupled cml lvcmos ( 1 . 2 , 1 . 8 v ) SMI4029 block diagram 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
|
