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 general description HMC729LC3C features functional diagram typical applications electrical specifcations, t a = +25 oc, vee = -3.3 v 26 ghz, t-type flip-flop w/ reset v05.1010 the HMC729LC3C is a t-type flip-flop w/reset designed to support clock frequencies as high as 26 ghz. during normal operation, with the reset pin not asserted, the output toggles from its prior state on the positive edge of the clock. this results in a divide-by- two function of the clock input. asserting the reset pin forces the q output low regardless of the clock edge state (asynchronous reset assertion). reversing the clock inputs allows for negative-edge triggered applications. all differential inputs to the HMC729LC3C 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 HMC729LC3C operates from a single -3.3 v supply and is available in rohs-compliant 3x3 mm smt package. parameter conditions min. typ. max units power supply voltage -3.6 -3.3 -3.0 v power supply current 82 ma maximum clock rate 26 ghz input voltage range -1.5 0.5 v input differential range 0.1 2.0 vp-p input return loss frequency <13 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 output low voltage -560 mv supports clock frequencies up to 26 ghz differential or single-ended operation fast rise and fall times: 18 / 17 ps low power consumption: 270 mw typ. propagation delay: 95 ps single supply: -3.3 v 16 lead ceramic 3x3 mm smt package: 9 mm 2 the HMC729LC3C is ideal for: ? serial data transmission up to 26 gbps ? high speed frequency divider (up to 26 ghz) ? broadband test & measurement ? rf ate applications
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) HMC729LC3C v05.1010 26 ghz, t-flip-flop w/ reset rise / fall time vs. supply voltage [2] dc current vs. supply voltage [1] [1] data rate = 13 gbps [2] frequency = 24 ghz [3] vee - -3.3 v 65 70 75 80 85 90 95 100 105 -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) parameter conditions min. typ. max units output rise / fall time differential, 20% - 80% 18 / 17 ps output return loss frequency <13 ghz 10 db random jitter jr rms 0.2 ps rms deterministic jitter, jd peak-to-peak 2 ps, p-p propagation delay clock to q, td 95 ps propagation delay reset to q, tdr 125 ps output differential voltage vs. supply voltage [2] output differential voltage vs. input frequency [3] 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 8 12 16 20 24 28 32 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 HMC729LC3C v05.1010 26 ghz, t-flip-flop w/ reset input return loss vs. frequency output return loss vs. frequency -40 -35 -30 -25 -20 -15 -10 -5 0 0 4 8 12 16 20 24 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)
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 HMC729LC3C v05.1010 26 ghz, t-flip-flop w/ reset output waveform [1] test conditions: waveform generated with a cw signal source input at 26 ghz. diagram data presented on a tektronix csa 8000. timing diagram
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 HMC729LC3C v05.1010 26 ghz, t-flip-flop w/ reset 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 esd sensitivity (hbm) class 1c
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 HMC729LC3C v05.1010 26 ghz, t-flip-flop w/ reset pin number function description interface schematic 1, 4, 5, 8, 9, 12 gnd signal grounds 2, 3 rp, rn differential reset inputs: current mode logic (cml) referenced to positive supply. 6, 7 cp, cn differential clock inputs: current mode logic (cml) referenced to positive supply. 10, 11 qn, qp differential clock outputs: current mode logic (cml) referenced to positive supply. 13, 16 vee negative supply 14, package base gnd supply ground 15 n/c no connection [1] contact hmc for alternate pinouts pin descriptions [1]
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 HMC729LC3C v05.1010 26 ghz, t-flip-flop w/ reset 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 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. list of materials for evaluation pcb 123576 [1] item description j3, j4 pcb mount 2.92mm rf connectors j1, j2, j5, j6 pcb mount sma rf connectors j7 - j9 dc pin c1 4.7 f capacitor, tantalum c5 100 pf capacitor, 0402 pkg. u1 HMC729LC3C high speed logic, t type flip-flop pcb [2] 122518 evaluation board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: arlon 25fr or rogers 4350
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 HMC729LC3C v05.1010 26 ghz, t-flip-flop w/ reset application circuit
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