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 mux & demux - smt 3 - 1 the HMC954LC4B is a 2 to 1 multiplexer designed for 32 gbps data serialization. the mux latches the two differential inputs on a rising edge of the input clock. the device uses both rising and falling edges of the half- rate clock to serialize the data. the HMC954LC4B also features an output level control pin, vr, which allows for loss compensation or for signal-level optimization. all differential inputs to the HMC954LC4B are cml and terminated on-chip with 50 ohms to the positive supply, gnd, and may be ac or dc coupled. the differential cml outputs are source terminated 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 HMC954LC4B operates from a single -3.3 v supply and is available in a ceramic rohs-compliant 4x4 mm smt package. general description HMC954LC4B features functional diagram supports data rates up to 32 gbps 479 mw power consumption -3.3 v or +3.3 v operation is available supports single-ended and differential operation 24 lead ceramic 4x4 mm smt package: 16 mm 2 typical applications the HMC954LC4B is ideal for: ? sonet oc-192 ? broadband test & measurement equipment ? fpga interfacing circuitry ? 16 g and 32 g fiber channel ? 100 gbit ethernet parameter conditions min. typ. max units power supply voltage (vee) -3.6 -3.3 -3.0 v power supply current 145 ma maximum output data rate 32 gbps maximum clock rate 16 ghz input voltage range, c and din -1.5 0.5 v input differential range, c and din 0.1 2.0 vp-p data input return loss frequency <24 gbps 10 db clock input return loss frequency <16 ghz 10 db output amplitude single-ended, peak-to-peak 640 mvp-p differential, peak-to-peak 1280 mvp-p output high voltage -20 mv output low voltage -660 mv 32 gbps, 2:1 mux w/ programmable output voltage v00.0511 electrical specifcations, t a = +25 oc, vee = -3.3 v, vr = 0 v
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 mux & demux - smt 3 - 2 parameter conditions min. typ. max units output rise / fall time single-ended, 20% - 80% 15 ps output return loss frequency <28 gbps 10 db random jitter j r rms [1] <0.2 ps rms vr pin current vr = 0.0 v 5 ma deterministic jitter, j d - , 2 7 -1 prbs input [1] <2 ps propagation delay, tcpd falling edge 113 ps data setup time, t s 0 ps data hold time, t h 22 ps [1] jitter captured at 13 gbps, 2 7 -1 prbs input. [1] vr = 0.0 v [2] frequency = 32 gbps [3] vee = -3.3 v electrical specifcations (continued) dc current vs. supply voltage [1][2] dc current vs. vr [2][3] data output differential vs. vr [2][3] data output differential vs. supply voltage [1][2] 100 120 140 160 180 200 -3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9 +25 c +85 c -40 c d c c u r r e n t ( m a ) supply voltage (v) 60 80 100 120 140 160 180 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 +25 c +85 c -40 c d c c u r r e n t ( m a ) vr (v) 900 1000 1100 1200 1300 1400 1500 1600 -3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9 +25 c +85 c -40 c v o u t d i f f e r e n t i a l ( m v p - p ) supply voltage (v) 400 600 800 1000 1200 1400 1600 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 +25 c +85 c -40 c v o u t d i f f e r e n t i a l ( m v p - p ) vr (v) HMC954LC4B v00.0511 32 gbps, 2:1 mux w/ programmable output voltage
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 mux & demux - smt 3 - 3 [1] vr = 0.0 v [2] frequency = 32 gbps [3] device measured on evaluation board with gating after connector [4] vee = -3.3 v rise / fall time vs. vr [2][4] rise / fall time vs. supply voltage [1][2] clock input return loss vs. frequency [1][3][4] HMC954LC4B v00.0511 32 gbps, 2:1 mux w/ programmable output voltage data input return loss vs. frequency [1][3][4] 10 12 14 16 18 -3.7 -3.6 -3.5 -3.4 -3.3 -3.2 -3.1 -3 -2.9 tr (ps) tf (ps) rise/fall time (ps) supply voltage (v) 10 12 14 16 18 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 tr (ps) tf (ps) rise/fall time (ps) vr (v) -40 -35 -30 -25 -20 -15 -10 -5 0 5 0 3 6 9 12 15 18 21 24 27 device eval board r e t u r n l o s s ( d b ) frequency (ghz) -40 -35 -30 -25 -20 -15 -10 -5 0 5 0 3 6 9 12 15 18 21 24 27 device eval board r e t u r n l o s s ( d b ) frequency (ghz) -40 -35 -30 -25 -20 -15 -10 -5 0 5 0 3 6 9 12 15 18 21 24 27 device eval board r e t u r n l o s s ( d b ) frequency (ghz) data output return loss vs. frequency [1][3][4]
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 mux & demux - smt 3 - 4 eye diagram, 32 gbps [1] test conditions: single-ended 200 mv, 16 gbps data input; 16 ghz clock input pattern generated with a 2 7 -1 pn, 16 gbps prbs pattern resulting in a quasi pn 32 gbps output measured with tektronix csa 8000 HMC954LC4B v00.0511 32 gbps, 2:1 mux w/ programmable output voltage 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 mux & demux - smt 3 - 5 absolute maximum ratings electrostatic sensitive device observe handling precautions outline drawing 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 junction temperature 125 c continuous pdiss (t=85 c) (derate 30 mw/c above 85 c 1.22 w thermal resistance (r th j-p ) worse case junction to package paddle 32.8 c/w storage temperature -65 c to +150 c operating temperature -40 c to +85 c esd sensitivity (hbm) class 1c 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. exposed paddle must be soldered to vee HMC954LC4B v00.0511 32 gbps, 2:1 mux w/ programmable output voltage
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 mux & demux - smt 3 - 6 pin number function description interface schematic 1, 6, 8, 11, 13, 18 gnd signal grounds 2, 3 4, 5 d1p, d1n d2p, d2n differential data inputs: current mode logic (cml) referenced to positive supply. 7, 12, 14, 15, 22 n/c the pins are not connected internally; however, all data shown herein was measured with these pins connected to rf/dc ground externally. 9, 10 cp, cn differential clock inputs: current mode logic (cml) referenced to positive supply. 16, 17 o1n, o1p differential outputs: current mode logic (cml) referenced to positive supply 19, 24 gnd supply grounds 20, 23 package base vee these pins and the exposed paddle must be connected to the negative voltage supply. 21 vr output level control. output level may be increased or decreased by applying a voltage to vr per output differential vs. vr plot. pin descriptions HMC954LC4B v00.0511 32 gbps, 2:1 mux w/ programmable output voltage
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 mux & demux - smt 3 - 7 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 hittite upon request. install jumper on jp1 to short vr to gnd for normal operation. list of materials for evaluation pcb eval01-HMC954LC4B [1] item description j1 - j6, j9, j10 pcb mount 2.92 mm rf connectors j15 - j18 dc pin jp1 0.1 header with shorting jumper c1, c2 4.7 f capacitor, tantalum c3 - c5 330 pf, capacitor, 0603 pkg r1 10 ohm resistor, 0603 pkg. u1 HMC954LC4B high speed logic, 2:1 mux pcb [2] 126570 evaluation board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: arlon 25fr or rogers 4350 evaluation pcb HMC954LC4B v00.0511 32 gbps, 2:1 mux w/ programmable output voltage
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 mux & demux - smt 3 - 8 application circuit HMC954LC4B v00.0511 32 gbps, 2:1 mux w/ programmable output voltage
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