for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 high speed logic - smt 3 3 - 1 the HMC728LC3C is a 2:1 selector designed to sup- port data transmission rates of up to 14 gbps, and selector port operation of up to 14 ghz. the selector routes one of the two single-ended inputs to the differential output upon assertion of the proper select port. all differential inputs to the HMC728LC3C are cml and terminated on-chip with 50 ohms to the positive supply, gnd, and may be dc or ac coupled. the differential cml outputs are source terminated to to 50 ohms and may also be ac or dc coupled. outputs can be connected directly to a 50 ohm ground-terminated system or drive devices with cml logic input. the HMC728LC3C operates from a single -3.3 v supply and is available in rohs-compliant 3x3 mm smt package. general description HMC728LC3C features functional diagram supports high data rates: up to 14 gbps single-ended inputs differential or single-ended outputs fast rise and fall times: 17 / 15 ps low power consumption: 250 mw typ. propagation delay: 125 ps single supply: -3.3 v 16 lead ceramic 3x3 mm smt package: 9 mm 2 typical applications the HMC728LC3C is ideal for: ? 2:1 multiplexer up to 14 gbps ? rf ate applications ? broadband test & measurement ? serial data transmission up to 14 gbps ? redundant path switching ? built-in test electrical specifcations, t a = +25 c, vee = -3.3 v 14 gbps, 2:1 selector v04.1010 parameter conditions min. typ. max units power supply voltage -3.6 -3.3 -3.0 v power supply current 76 ma maximum data rate 14 gbps maximum select rate 14 ghz maximum serial transmission rate 26 gbps input vcm vin = 600 mvp-p, single-ended -0.375 -0.300 -0.275 v input voltage range -1.5 0.5 v input differential range 0.1 2.0 vp-p input return loss frequency <14 ghz 10 db output amplitude single-ended, peak-to-peak 550 mvp-p differential, peak-to-peak 1100 mvp-p output high voltage -10 mv
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 high speed logic - smt 3 3 - 2 electrical specifcations (continued) HMC728LC3C v04.1010 14 gbps, 2:1 selector rise / fall time vs. supply voltage [1] dc current vs. supply voltage [1] [1] data rate = 13 gbps [2] frequency = 10 ghz [3] vee = -3/3 v output differential voltage vs. supply voltage [2] parameter conditions min. typ. max units output low voltage -560 mv output rise / fall time differential, 20% - 80% 17 / 15 ps output return loss frequency <14 ghz 10 db random jitter, jr rms 0.2 ps rms deterministic jitter, jd peak-to-peak, 2 15 -1 prbs input [1] 2 ps, p-p propagation delay, a or b to d out , td 125 ps propagation delay select to data, tds 135 ps set up & hold time, t sh 6 ps [1] deterministic jitter calculated by simultaneously measuring the jitter of a 300 mv, 13 ghz, 2 15 -1 prbs input, and a single-ended output 60 65 70 75 80 85 90 95 -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 (v) 15 17 19 21 23 25 -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) output differential voltage vs. frequency [3] 700 800 900 1000 1100 1200 1300 -3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9 +25c +85c -40c vout differential (mvp-p) supply voltage (v) 700 800 900 1000 1100 1200 1300 2 4 6 8 10 12 14 vout differential (mvp-p) frequency (ghz)
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 high speed logic - smt 3 3 - 3 HMC728LC3C v04.1010 14 gbps, 2:1 selector return loss of select input output return loss vs. frequency -30 -25 -20 -15 -10 0 2 4 6 8 10 12 14 return loss (db) frequency (ghz) -30 -25 -20 -15 -10 -5 0 0 2 4 6 8 10 12 14 return loss (db) frequency (ghz) return loss of data input -30 -25 -20 -15 -10 -5 0 0 2 4 6 8 10 12 14 return loss (db) frequency (ghz)
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 high speed logic - smt 3 3 - 4 HMC728LC3C v04.1010 14 gbps, 2:1 selector eye diagram timing diagram truth table inputs outputs s dp h a -> d l b -> d h - positive voltage level l - negative voltage level notes: d = dp - dn s = sp - sn [1] test conditions: waveform generated with an agilent n4903a j-bert. rate = 10 gbps eye diagram data presented on a tektronix csa 8000
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 high speed logic - smt 3 3 - 5 absolute maximum ratings electrostatic sensitive device observe handling precautions outline drawing HMC728LC3C v04.1010 14 gbps, 2:1 selector 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 0.05 mm datum -c- 6. all ground leads must be soldered to pcb rf ground. 7. paddle must be soldered to gnd. power supply voltage (vee) -3.75 v to +0.5 v input signals -2 v to +0.5 v output signals -1.5 v to +1 v continuous pdiss (t = 85 c) (derate 17 mw/c above 85 c) 0.68 w thermal resistance (r th j-p ) worst case junction to package paddle 59 c/w maximum junction temperature 125 c storage temperature -65 c to +150 c operating temperature -40 c to +85 c
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 high speed logic - smt 3 3 - 6 HMC728LC3C v04.1010 14 gbps, 2:1 selector pin number function description interface schematic 1, 4, 5, 8, 9, 12 gnd signal grounds. 2, 3 ap, bp single-ended data inputs: current mode logic (cml) referenced to positive supply. 6, 7 sp, sn differential select inputs: current mode logic (cml) referenced to positive supply 10, 11 dp, dn differential data outputs: common mode logic (cml) referenced to positive supply. 13, 16 vee negative supply 14, package base gnd supply ground 15 n/c no connection pin descriptions
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 high speed logic - smt 3 3 - 7 evaluation pcb HMC728LC3C v04.1010 14 gbps, 2:1 selector list of materials for evaluation pcb 122520 [1] item description j1 - j6 pcb mount sma rf connectors j7, j9 dc pin c1 4.7 f capacitor, tantalum c5 100 pf capacitor, 0402 pkg. u1 HMC728LC3C high speed logic, 2:1 selector pcb [2] 122518 evaluation board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: arlon 25fr or rogers 4350 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 package base should be connected to gnd. 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.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 high speed logic - smt 3 3 - 8 HMC728LC3C v04.1010 14 gbps, 2:1 selector application circuit
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