for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com high speed logic - smt 7 7 - 2 the HMC670LC3C is a 1:2 fanout buffer designed to support data transmission rates up to 13 gbps, and clock frequencies as high as 13 ghz. all differential inputs and outputs are dc coupled and terminated on chip with 50 ohm resistors to ground. the outputs may be used in either single-ended or differential modes, and should be ac or dc coupled into 50 ohm resistors connected to ground. the HMC670LC3C also features an output level control pin, vr which allows for loss compensation or for signal level optimization. the HMC670LC3C operates from a single -3.3v dc supply and is available in a ceramic rohs compliant 3x3 mm smt package. general description HMC670LC3C features functional diagram inputs terminated internally in 50 ohms differential inputs are dc coupled propagation delay: 55 ps fast rise and fall times: 24 / 22 ps programmable differential output voltage swing: 400 - 1100 mv power dissipation: 240 mw 16 lead ceramic 3x3mm smt package: 9mm 2 typical applications the HMC670LC3C is ideal for: ? rf ate applications ? broadband test & measurement ? serial data transmission up to 13 gbps ? clock buffering up to 13 ghz electrical specifi cations, t a = +25 oc, vee = -3.3v parameter conditions min. typ. max units power supply voltage -3.6 -3.3 -3.0 v power supply current 75 ma maximum data rate 13 gbps maximum clock rate 13 ghz clock bandwidth, 3 db 200 mvpp input 12.2 ghz input high voltage -0.5 0.5 v input low voltage -1.0 0.0 v input return loss frequency <13 ghz 10 db output amplitude single-ended, peak-to-peak 550 mvpp differential, peak-to-peak 1100 mvpp output high voltage -10 mv output low voltage -570 mv 13 gbps, 1:2 fanout buffer v02.1209
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com high speed logic - smt 7 7 - 3 electrical specifi cations, (continued) HMC670LC3C v02.1209 13 gbps, 1:2 fanout buffer parameter conditions min. typ. max units output rise / fall time single-ended, 20% - 80% 24 / 22 ps output return loss frequency <13 ghz 10 db small signal gain 27 db random jitter j r rms [1] 0.2 ps rms deterministic jitter, j d - , 2 15 -1 prbs input [2] 26ps propagation delay, td 55 ps d1 to d2 data skew, t skew 0ps [1] upper limit of random jitter, j r , determined by measuring and integrating output phase noise with a sinusodal input at 5, 10, and 13.5 ghz over temperature. [2] deterministic jitter measured at 5, 10, and 13.5 ghz with a 200 mvpp, 2 15 -1 prbs input sequence. output high voltage vs. supply voltage [1] [2] output low voltage vs. supply voltage [1] [2] -50 -40 -30 -20 -10 0 -3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9 +25c +85c -40c high voltage output (mv) supply voltage vee (v) -800 -700 -600 -500 -400 -300 -200 -3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9 +25c +85c -40c low voltage output (mv) supply voltage vee (v) dc current vs. supply voltage [1] 40 50 60 70 80 90 100 -3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9 +25c +85c -40c dc current (ma) supply voltage vee (v) common mode voltage vs. supply voltage [1] [2] -450 -400 -350 -300 -250 -200 -150 -100 -50 0 -3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9 +25c +85c -40c common mode voltage (mv) supply voltage vee (v) [1] vr = 0.0v [2] frequency = 1 ghz
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com high speed logic - smt 7 7 - 4 HMC670LC3C v02.1209 13 gbps, 1:2 fanout buffer input return loss vs. frequency output differential vs. supply voltage [1] [2] output return loss vs. frequency large signal gain @ 25oc 0 200 400 600 800 1000 1200 1400 1600 -3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9 +25c +85c -40c differential voltage (mv) supply voltage vee (v) output differential vs. vr [2] rise / fall time vs. vr [3] [1] vr = 0.0v [2] frequency = 1 ghz [3] frequency = 5 ghz -40 -35 -30 -25 -20 -15 -10 -5 0 03691215 typical s22 differential s22 return loss (db) frequency (ghz) -60 -50 -40 -30 -20 -10 0 0 3 6 9 12 15 typical s11 differential s11 return loss (db) frequency (ghz) 0 2 4 6 8 10 12 14 0 3 6 9 12 15 single ended s21 differential s21 gain (db) frequency (ghz) 0 200 400 600 800 1000 1200 1400 1600 -1.2 -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 +25c +85c -40c differential voltage (mv) vr (v) 15 17 19 21 23 25 27 -1.2 -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 tr tf rise/fall time, 20%-80% (ps) vr (v)
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com high speed logic - smt 7 7 - 5 HMC670LC3C v02.1209 13 gbps, 1:2 fanout buffer eye diagram timing diagram truth table input outputs din d1 d2 lll hhh notes: din = dinp - dinn d1 = d1p - d1n d2 = d2p - d2n h - positive differential voltage l - negative differential voltage [1] test conditions: pattern generated with an agilent n4901b serial bert eye diagram data presented on an infi nium dca 86100a rate = 10.0 gb/s pseudo random code = 2 15 -1 vin = 400 mvpp differential [2] vertical scale = 100 mv/div parameter conditions bit rate 10.00000 gbps pattern length 32767 bits dj ( - )7.2 ps vertical scale 100 mv / div time scale 16.7 ps / div
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com high speed logic - smt 7 7 - 6 absolute maximum ratings electrostatic sensitive device observe handling precautions outline drawing power supply voltage (vee) -3.75v to +0.5v input signals -2v to +0.5v output signals -1.5v to +1v storage temperature -65c to +150c operating temperature -40c to +85c HMC670LC3C v02.1209 13 gbps, 1:2 fanout buffer notes: 1. package body material: alumina 2. lead and ground paddle plating: 30-80 microinches gold over 50 microinches minimum nickel. 3. dimensions are in inches [millimeters]. 4. lead spacing tolerance is non-cumulative. 5. package warp shall not exceed 0.05mm datum -c- 6. all ground leads must be soldered to pcb rf ground. 7. ground paddle must be soldered to vee.
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com high speed logic - smt 7 7 - 7 HMC670LC3C v02.1209 13 gbps, 1:2 fanout buffer pin number function description interface schematic 1, 4, 5, 8, 9, 12 gnd signal grounds 2, 3 d1p. d1n clock / data output port 1 6, 7 dinp, dinn clock / data inputs 10, 11 d2n d2p clock / data output port 2 13, 16 gnd supply ground 14 vr output level control. output level may be adjusted by either applying a voltage to vr per output differential vs. vr plot, or by tying vr to gnd with a resistor per the following equation: v 0 (r) = 1.2 / (2.1 + r), r in k 15, package base vee negative supply [1] contact hmc for alternate pinouts pin descriptions [1]
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com high speed logic - smt 7 7 - 8 HMC670LC3C v02.1209 13 gbps, 1:2 fanout buffer evaluation pcb the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package gro- und leads should be connected directly to the ground plane similar to that shown. the exposed packaged base should 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 hit- tite upon request. list of materials for evaluation pcb 118777 [1] item description j1 - j6 pcb mount sma rf connectors j7 - j14 dc pin c1 - c3 100 pf capacitor, 0402 pkg c4 - c5 4.7 f capacitor, tantalum r1 10 ohm resistor, 0603 pkg. u1 HMC670LC3C high speed logic, fanout buffer pcb [2] 118775 evaluation board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 item description j1 do1p j2 do1n j3 dinp j4 dinn j5 do2n j6 do2p j7, j8, j12 - j14 gnd j10 vr j11 vee
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com high speed logic - smt 7 7 - 9 HMC670LC3C v02.1209 13 gbps, 1:2 fanout buffer application circuit
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