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 mux & demux - smt 3 3 - 1 the HMC848LC5 is a 1:4 demultiplexer designed for data deserialization up to 45 gbps. the device uses both rising and falling edges of the half-rate clock to sample the input data in sequence, d0-d3 and latches the data onto the differential outputs. a quarter-rate clock output generated on-chip can be used to clock the data into other devices. all clock and data inputs / outputs of the HMC848LC5 are cml and terminated on-chip with 50 ohms to the vcc, and may be dc or ac coupled. the inputs and outputs of the HMC848LC5 may be operated either differentially or single-ended. the HMC848LC5 also features an output level control pin, vctrl, which allows for loss compensation or signal level optimization. the HMC848LC5 operates from a single +3.3v supply and is available in rohs compliant 5x5 mm smt package. general description HMC848LC5 features functional diagram supports data rates up to 45 gbps half rate clock input quarter rate reference clock output fast rise and fall times: 25 / 21 ps programmable differential output voltage swing: 300 - 1000 mvp-p single supply: +3.3v 32 lead ceramic 5x5 mm smt package: 25 mm 2 typical applications the HMC848LC5 is ideal for: ? sonet oc-768 ? rf ate applications ? broadband test & measurements ? serial data transmission up to 45 gbps ? high speed adc interfacing electrical specifcations, t a = +25c, vcc = 3.3v 45 gbps, 1:4 demux with programmable output voltage v01.1010 parameter conditions min. typ. max units power supply voltage 5% tolerance 3.13 3.3 3.47 v power supply current vctrl = 2.5v 480 540 600 ma output amplitude control voltage range (vctrl) 1.7 2.5 3 v maximum data rate 45 gbps maximum clock rate half rate clock 22.5 ghz input amplitude (data) single-ended, peak-to-peak [1] 150 800 mvp-p differential, peak-to-peak 150 1000 mvp-p input amplitude (clock) single-ended, peak-to-peak [1] 100 700 mvp-p differential, peak-to-peak 100 1000 mvp-p [1] the un-used port is biased @ 3.3v
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 mux & demux - smt 3 3 - 2 electrical specifcations, (continued) HMC848LC5 v01.1010 45 gbps, 1:4 demux with programmable output voltage parameter conditions min. typ. max units input high voltage (data & clock) vctrl = 2.5v 2.8 3.8 v input low voltage (data & clock) vctrl = 2.5v 2.3 3.3 v data output voltage swing range differential, peak-to-peak @ 40 gbps 300 1000 mvp-p clock output voltage swing differential, peak-to-peak @ 10 ghz 600 700 800 mvp-p output high voltage vctrl = 2.5v 2.95 v output low voltage vctrl = 2.5v 2.6 v input return loss data input up to 11.25 ghz 10 db clock input up to 22.5 ghz 9 db output return loss data output up to 22.5 ghz 8 db clock output up to 11.25 ghz 8 db deterministic jitter, jd [2] 4 ps p-p additive random jitter, jr [3] 0.35 ps rms rise time, tr [2] 20% - 80% 25 ps fall time, tf [2] 20% - 80% 21 ps propagation delay clock to data, tdpd input clock to output data 380 ps propagation delay clock to output clock, tcpd input clock to output clock 80 ps set up time, ts both at rising and falling edges 20 ps hold time, th both at rising and falling edges 2 ps [2] ckinp: 20 ghz clock signal, 250 mvp-p single-ended, inp: 40 gbps prbs 2 23 -1 pattern, 250 mvp-p single-ended [3] random jitter is measured with 40 gbps 10101 pattern [1] vctrl = 2.5v [2] data rate = 40 gbps dc current vs. supply voltage [1] [2] differential output swing vs. supply voltage [1][2] 400 500 600 700 3.13 3.19 3.24 3.3 3.36 3.41 3.47 +25c +85c -40c supply voltage vcc (v) dc current (ma) 500 600 700 800 900 1000 3.13 3.19 3.24 3.3 3.36 3.41 3.47 +25c +85c -40c supply voltage vcc (v) differential voltage (mvp-p)
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 mux & demux - smt 3 3 - 3 HMC848LC5 v01.1010 45 gbps, 1:4 demux with programmable output voltage [1] data rate = 40 gbps [2] vctrl = 2.5v [3] data was taken at single-ended output [4] 20% - 80% [5] source jitter was not deembeded rise time vs. vctrl [1][3][4] peak-to-peak jitter vs. supply voltage [1][2][3][5] fall time vs. supply voltage [1][2][3][4] rise time vs. supply voltage [1][2][3][4] dc current vs. vctrl [1] differential output swing vs. vctrl [1] 300 400 500 600 700 1.8 2 2.2 2.4 2.6 2.8 3 +25c +85c -40c control voltage vctrl (v) dc current (ma) 10 15 20 25 30 35 3.13 3.19 3.24 3.3 3.36 3.41 3.47 +25c +85c -40c supply voltage vcc (v) rise time (ps) 10 15 20 25 30 35 1.8 2 2.2 2.4 2.6 2.8 3 rise time fall time control voltage vctrl (v) rise / fall time (ps) 0 200 400 600 800 1000 1.8 2 2.2 2.4 2.6 2.8 3 +25c +85c -40c control voltage vctrl (v) differential voltage (mvp-p) 10 15 20 25 30 35 3.13 3.19 3.24 3.3 3.36 3.41 3.47 +25c +85c -40c supply voltage vcc (v) fall time (ps) 0 2 4 6 8 10 3.13 3.19 3.24 3.3 3.36 3.41 3.47 +25c +85c -40c supply voltage vcc (v) p-p jitter (ps)
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 mux & demux - smt 3 3 - 4 HMC848LC5 v01.1010 45 gbps, 1:4 demux with programmable output voltage [1] vctrl = 2.5v [2] device measured on evaluation board with single ended time domain gating data input return loss vs. frequency [1][2] clock input return loss vs. frequency [1][2] data output return loss vs. frequency [1][2] clock output return loss vs. frequency [1][2] 10 gbps single-ended output eye diagram time scale: 40 ps/div amplitude scale: 79.7 mv/div test conditions: vcc = +3.3v, vctrl = 2.5v inp: 40 gbps nrz prbs 2 23 -1 pattern, 250 mvp-p single- ended ckinp: 20 ghz clock signal, 250 mvp-p single-ended -30 -25 -20 -15 -10 -5 0 0 5 10 15 20 25 frequency (ghz) return loss (db) -30 -25 -20 -15 -10 -5 0 0 5 10 15 20 25 frequency (ghz) return loss (db) -30 -25 -20 -15 -10 -5 0 0 5 10 15 20 25 frequency (ghz) return loss (db) -30 -25 -20 -15 -10 -5 0 0 5 10 15 20 25 frequency (ghz) return loss (db) measurements current minimum maximum total meas. eye amp 356 mv 356 mv 356 mv 84 rise time 25.8 ps 25.8 ps 26.7 ps 84 fall time 21.3 ps 21.3 ps 21.3 ps 84 p-p jitter 5.33 ps 4.44ps 5.33 ps 84
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 mux & demux - smt 3 3 - 5 absolute maximum ratings timing diagram electrostatic sensitive device observe handling precautions power supply voltage (vcc) 3.7v to +0.5v input voltages vcc -2v to vcc +0.5v dc control pins (vctrl, vdcc) vcc +0.2v to vcc -2.5v channel temperature 125 c continuous pdiss (t = 85 c) (derate 49.97 mw/c above 85 c ) 2 w thermal resistance (channel to die bottom) 20.01 c/w storage temperature -65c to +150c operating temperature -40c to +85c HMC848LC5 v01.1010 45 gbps, 1:4 demux with programmable output voltage
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 mux & demux - smt 3 3 - 6 outline drawing 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. paddle must be soldered to vee. HMC848LC5 v01.1010 45 gbps, 1:4 demux with programmable output voltage
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 mux & demux - smt 3 3 - 7 HMC848LC5 v01.1010 45 gbps, 1:4 demux with programmable output voltage pin descriptions pin number function description interface schematic 1, 10, 16, 24, 26 vcc positive supply (3.3v) 2, 3, 5, 6, 27, 28, 30, 31 d2p, d2n, d4n, d4p, d1p, d1n, d3n, d3p differential 4 channel serial data outputs 4, 7, 12, 15, 19, 22, 25, 29, 32 gnd signal and supply ground. 8, 9 ckoutn, ckoutp differential quarter rate system clock outputs. 11, 17, 18 n/c not connected. 13, 14 ckinn, ckinp differential half rate clock inputs. 20, 21 inp, inn high speed serial data inputs 23 vctrl output amplitude control
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 mux & demux - smt 3 3 - 8 evaluation pcb list of materials for evaluation pcb 126674 [1] item description j1, j2, j18, j19 dc connector j4, j7 k connector j5, j6 2.4mm connector j8 - j17 sma connector c1, c19 - c25 100 nf capacitor, 0402 pkg. c3 - c12 10 nf capacitor, 0402 pkg. c13 - c18 1 nf capacitor, 0201 pkg. c26, c28, c29 4.7 f capacitor, tantalum u1 HMC848LC5 45 gbps 1:4 demux pcb [2] 126672 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 metal package base must 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. HMC848LC5 v01.1010 45 gbps, 1:4 demux with programmable output voltage
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 mux & demux - smt 3 3 - 9 application circuit HMC848LC5 v01.1010 45 gbps, 1:4 demux with programmable output voltage
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 mux & demux - smt 3 3 - 10 notes: HMC848LC5 v01.1010 45 gbps, 1:4 demux with programmable output voltage
|
