hig h speed logic - smt 1 HMC850LC3 v02.0312 28 gbps, 1:2 fanout b uffer with p rogramma b le out p ut voltage the hm c 850l c 3 is a 1:2 fanout buffer designed to support data transmission rates up to 28 g bps, and clock frequencies as high as 20 g hz. all differential inputs and outputs are dc coupled and terminated on chip with 50 o hm resistors to the positive supply, ground. the outputs may be used in either single- ended or differential modes, and should be a c or dc coupled into 50 o hm resistors connected to ground. the hm c 850l c 3 also features an output level control pin, vr which allows for loss compensation or for signal level optimization. the hm c 850l c 3 operates from a single -3.3v dc supply and is available in a ceramic rohs compliant 3x3 mm smt package. general description features functional diagram i nputs terminated i nternally to 50 o hms d ifferential i nputs are dc c oupled p ropagation d elay: 75 ps fast rise and fall times: 16 / 15 ps p rogrammable d ifferential o utput voltage swing: 600 - 1100 mv p ower d issipation: 315 mw 16 lead c eramic 3x3 mm smt p ackage: 9 mm 2 typical applications the hm c 850l c 3 is ideal for: ? rf at e applications ? broadband test & measurement ? serial d ata transmission up to 28 g bps ? c lock buffering up to 20 g hz electrical s pecifcations, t a = +25 c, vee = -3.3 v, vr = 0 v p arameter c onditions min. typ. max units p ower supply voltage -3.6 -3.3 -3.0 v p ower supply c urrent 95 ma maximum d ata rate 28 g bps maximum c lock rate 20 g hz i nput voltage range -1.5 0.5 v i nput voltage d ifferential 100 2000 mv i nput return loss frequency <20 g hz 10 db o utput amplitude single- e nded, peak-to-peak 550 mvp-p d ifferential, peak-to-peak 110 0 mvp-p o utput high voltage -10 mv o utput low voltage -550 mv o utput rise / fall time single- e nded, 20% - 80% 16 / 15 ps for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com
hig h speed logic - smt 2 HMC850LC3 v02.0312 28 gbps, 1:2 fanout b uffer with p rogramma b le out p ut voltage h ig h s peed l ogic - smt 3 3 - 2 electrical s pecifcations (continued) [1] vr = 0.0 v [2] frequency = 13 g bps [3] d evice measured on evaluation board with port extensions [4] vee = -3.3 v dc current vs. s upply voltage [1][2] output differential vs. s upply voltage [1][2] output differential vs. vr [2][4] amplitude vs. input p ower [1][3][4] 70 80 90 100 110 120 130 -3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9 +25c +85c -40c vr = +0.4 vr = -0.4 dc current (ma) supply voltage (v) 500 600 700 800 900 1000 1100 1200 1300 1400 1500 -1.2 -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 +25c +85c -40c differential voltage (mv) vr (v) 500 600 700 800 900 1000 1100 1200 1300 1400 1500 -3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9 +25c +85c -40c vr = +0.4 vr = -0.4 differential voltage (mv) supply voltage (v) -10 -5 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 0 dbm -10 dbm -20 dbm -30 dbm amplitude (db) frequency (ghz) p arameter c onditions min. typ. max units o utput return loss frequency <20 g hz 10 db small signal g ain 28 db random jitter j r rms 0.2 ps rms d eterministic jitter, j d - , 2 15 -1 p rbs input [1] 2 6 ps p ropagation d elay, td 75 ps d 1 to d 2 d ata skew, t sk e w 1 3 ps [1] d eterministic jitter measured at 13 g bps with a 300 mvpp, 2 15 -1 p rbs input sequence. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com
hig h speed logic - smt 3 HMC850LC3 v02.0312 28 gbps, 1:2 fanout b uffer with p rogramma b le out p ut voltage h ig h s peed l ogic - smt 3 3 - 3 [1] vr = 0.0 v [2] frequency = 13 g bps [3] d evice measured on evaluation board with port extensions [4] vee = -3.3 v input return loss vs. frequency [1][3][4] output return loss vs. frequency [1][3][4] rise / fall time vs. vr [2][4] rise / fall time vs. s upply voltage [2][4] 10 12 14 16 18 20 -3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9 tr tf rise/fall time (ps) supply voltage (v) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 return loss (db) frequency (ghz) 10 12 14 16 18 20 -1.2 -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 tr tf rise/fall time (ps) vr (v) -35 -30 -25 -20 -15 -10 -5 0 5 0 5 10 15 20 25 return loss (db) frequency (ghz) for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com
hig h speed logic - smt 4 HMC850LC3 v02.0312 28 gbps, 1:2 fanout b uffer with p rogramma b le out p ut voltage h ig h s peed l ogic - smt 3 3 - 4 eye diagram @ 30 gbps eye diagram @ 34 gbps test c onditions: single-ended 550 mv data input. p attern generated with four 2 15 -1 p n patterns applied to the inputs re- sulting in a quasi- p eriodiic p rbs pattern at 30 g bps. measured using tektronix c sa 8000. test c onditions: single-ended 550 mv data input. p attern generated with four 2 15 -1 p n patterns applied to the inputs re- sulting in a quasi- p eriodiic p rbs pattern at 34 g bps. measured using tektronix c sa 8000. timing diagram for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com
hig h speed logic - smt 5 HMC850LC3 v02.0312 28 gbps, 1:2 fanout b uffer with p rogramma b le out p ut voltage h ig h s peed l ogic - smt 3 3 - 5 absolute maximum ratings e l ec tr o stat ic s e ns i t i v e de v ice o bs e rv e han d l i n g p r ec aut io ns outline drawing p ower supply voltage (vee) -3.75 v to +0.5 v i nput signals -2 v to +0.5 v o utput signals -1.5 v to +0.5 v junction temperature 125 c c ontinuous p diss (t = 85 c ) (derate 17 mw/ c above 85 c ) 0.68 w thermal resistance (r th j-p ) worse case device to package paddle 59 c /w storage temperature -65 c to +150 c o perating temperature -40 c to +85 c e s d sensitivity (hbm) c lass 1 c n o t e s: 1. p a c ka ge b od y mat e r i al: alum i na 2. l e a d an d g r o un d p a dd l e p lat i n g : 30-80 m ic r oi n che s go l d o v e r 50 m ic r oi n che s m i n i mum n ic ke l. 3. di m e ns io ns ar e i n i n c h e s [m i ll i m e t e rs]. 4. l e a d s p a ci n g to l e ran ce i s n o n- c umulat i v e . 5. p a c ka ge war p shall n ot e x ceed 0.05 mm d atum - c - 6. all g r o un d l e a d s must b e s o l de r ed to pc b rf g r o un d . 7. p a dd l e must b e s o l de r ed to vee. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com
hig h speed logic - smt 6 HMC850LC3 v02.0312 28 gbps, 1:2 fanout b uffer with p rogramma b le out p ut voltage h ig h s peed l ogic - smt 3 3 - 6 p in number function d escription i nterface schematic 1, 4, 5, 8, 9, 12, 13, 16 g nd these pins must be connected to a high quality rf/ dc ground. 2, 3, 10, 11 d1 p , d 1n, d 2n, d 2 p d ifferential d ata o utputs: c urrent mode logic ( c ml) referenced to positive supply. 6, 7 di n p , di nn d ifferential d ata i nputs: c urrent mode logic ( c ml) referenced to positive supply 14 vr o utput level control. o utput level may be increased or decreased by applying a voltage to vr per o utput d ifferential vs. vr plot. 15 p ackage base vee these pins and the exposed paddle must be connected to the negative voltage supply. p in descriptions for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com
hig h speed logic - smt 7 HMC850LC3 v02.0312 28 gbps, 1:2 fanout b uffer with p rogramma b le out p ut voltage h ig h s peed l ogic - smt 3 3 - 7 evaluation p c b list of materials for evaluation p c b 125614 [1] i tem d escription j1 - j6 pc b mount k rf c onnectors j7 - j9 dc p in c 1, c 2 100 pf c apacitor, 0402 p kg. c 3, c 4 4.7 f c apacitor, tantalum r1 10 o hm resistor, 0603 p kg. u1 hm c 850l c 3 fanout buffer pc b [2] 125612 e valuation board [1] reference this number when ordering complete evaluation pc b [2] c ircuit board material: arlon 25fr the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 o hm impedance while the package gro- und leads should be connected directly to the ground plane similar to that shown. the exposed metal package base must be connected to vee. a sufficient number of via holes should be used to connect the top and bottom ground planes. the evaluation circuit board shown is available from hittite upon request. i nstall jumper on j p 1 to short vr to g n d for normal operation. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com
hig h speed logic - smt 8 HMC850LC3 v02.0312 28 gbps, 1:2 fanout b uffer with p rogramma b le out p ut voltage h ig h s peed l ogic - smt 3 3 - 8 application circuit for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com
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