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  fn6406 rev 0.00 page 1 of 12 december 15, 2006 fn6406 rev 0.00 december 15, 2006 ISL59910, isl59913 triple differential receiver/equalizer datasheet the ISL59910 and isl59913 are tr iple channel differential receivers and equalizers. they each contain three high speed differential receivers with fi ve programmable poles. the outputs of these pole blocks ar e then summed into an output buffer. the equalization length is set with the voltage on a single pin. the ISL59910 and isl59913 output can also be put into a high impedance state, enabling multiple devices to be connected in parallel and us ed in multiplexing application. the gain can be adjusted up or down on each channel by 6db using its v gain control signal. in addition, a further 6db of gain can be switched in to provide a matched drive into a cable. the ISL59910 and isl59913 hav e a bandwidth of 150mhz and consume just 108ma on 5 v supply. a single input voltage is used to set the c ompensation levels for the required length of cable. the ISL59910 is a special ver sion of the isl59913 that decodes syncs encoded onto t he common modes of three pairs of cat-5 cable by the el4543. (refer to the el4543 datasheet for details.) the ISL59910 and isl59913 are available in a 28 ld qfn package and are specified for operation over the full -40c to +85c temperature range. features ? 150mhz -3db bandwidth ? cat-5 compensation - 100mhz @ 600 ft - 135mhz @ 300 ft ? 108ma supply current ? differential input range 3.2v ? common mode input range -4v to +3.5v ? 5v supply ? output to within 1.5v of supplies ? available in 28 ld qfn package ? pb-free plus anneal available (rohs compliant) applications ? twisted-pair receiving/equalizer ? kvm (keyboard/video/mouse) ? vga over twisted-pair ? security video pinouts ISL59910 (28 ld qfn) top view isl59913 (28 ld qfn) top view thermal pad 22 21 20 19 18 17 16 28 27 26 25 24 9 10 11 12 13 1 2 3 4 5 6 7 vsmo_b vout_b vspo_b vspo_g vout_g vsmo_g vsmo_r vsp vinm_b vinp_b vinm_g vinp_g vinm_r vinp_r 0v enable x2 syncref vout vspo_r vctrl vref vgain_r vgain_g 8 15 14 23 vsm vgain_b vout_r hout thermal pad 22 21 20 19 18 17 16 28 27 26 25 24 9 10 11 12 13 1 2 3 4 5 6 7 vsmo_b vout_b vspo_b vspo_g vout_g vsmo_g vsmo_r vsp vinm_b vinp_b vinm_g vinp_g vinm_r vinp_r 0v enable x2 vcm_b vcm_g vspo_r vctrl vref vgain_r vgain_g 8 15 14 23 vsm vgain_b vout_r vcm_r exposed dieplate should be connected to -5v
ISL59910, isl59913 fn6406 rev 0.00 page 2 of 12 december 15, 2006 ordering information part number part marking tape & reel package pkg. dwg. # ISL59910irz (note) 59910 crz - 28 ld qfn (pb-free) mdp0046 ISL59910irz-t7 (note) 59910 crz 7 28 ld qfn (pb-free) mdp0046 isl59913irz (note) 59913 crz - 28 ld qfn (pb-free) mdp0046 isl59913irz-t7 (note) 59913 crz 7 28 ld qfn (pb-free) mdp0046 note: intersil pb-free plus anneal products employ special pb-fr ee material sets; molding compounds/die attach materials and 10 0% matte tin plate termination finish, which are rohs compliant and compatible wit h both snpb and pb-free solderi ng operations. intersil pb-free products are msl classified at pb-free peak reflow temperatures that meet or exc eed the pb-free requirements of ipc/jedec j std-020.
ISL59910, isl59913 fn6406 rev 0.00 page 3 of 12 december 15, 2006 important note: all parameters having min/max specifications are guaranteed. typ values are for information purposes only. unles s otherwise noted, all tests are at the specified temperature and are pulsed tests, therefore: t j = t c = t a absolute maximum ratings (t a = +25c) operating conditions supply voltage between v s + and v s - . . . . . . . . . . . . . . . . . . . . .12v maximum continuous output current per channel. . . . . . . . . 30ma power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see curves pin voltages . . . . . . . . . . . . . . . . . . . . . . . . . v s - -0.5v to v s + +0.5v storage temperature . . . . . . . . . . . . . . . . . . . . . . . .-65c to +150c ambient operating temperature . . . . . . . . . . . . . . . .-4 0c to +85c die junction temperature . . . . . . . . . . . . . . . . . . . . . . +150c caution: stresses above those listed in ?absolute maximum ratings? may cause permanent damage to the device. this is a stress o nly rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. electrical specifications v sa + = v a + = +5v, v sa - = v a - = -5v, t a = +25c, exposed die plate = -5 v, unless otherwise specified. parameter description conditions min typ max unit ac performance bw bandwidth (see figure 1) 150 mhz sr slew rate v in = -1v to +1v, v g = 0.39, v c = 0, r l = 75 + 75 ? 1.5 kv/s thd total harmonic distortion 10mhz 2v p-p out, v g = 1v, x2 gain, v c = 0 -50 dbc dc performance v(v out ) os offset voltage x2 = high, no equalization -110 -15 +110 mv ? v os channel-to-channel offset matching x2 = high, no equalization -14 0 0 +140 mv input characteristics cmir common-mode input range -4/+3.5 v o noise output noise v g = 0v, v c = 0v, x2 = high, r load = 150 ?? input 50 ? to gnd, 10mhz -110 dbm cmrr common-mode rejection ratio measured at 10khz -80 db cmrr common-mode rejection ratio measured at 10mhz -55 db cmbw cm amplifier bandwidth 10k || 10pf load 50 mhz cm slew cm slew rate measured @ +1v to -1v 100 v/s c indiff differential input capacitance capacitance v inp to v inm 600 ff r indiff differential input resistance resistance v inp to v inm 1m ? c incm cm input capacitance capacitance v inp = v inm to gnd 1.2 pf r incm cm input resistance resistance v inp = v inm to gnd 1 m ? +i in positive input current dc bias @ v inp = v inm = 0v 1 a -i in negative input current dc bias @ v inp = v inm = 0v 1 a v indiff differential input range v inp - v inm when slope gain falls to 0.9 2.5 v output characteristics v(v out ) output voltage swing r l = 150 ? 3.5 v i(v out ) output drive current r l = 10 ? , v inp = 1v, v inm = 0v, x2 = high, v g = 0.39 50 60 ma r(v cm ) cm output resistance of vcm_r/g/b (isl59913 only) at 100khz 30 ? gain gain v c = 0, v g = 0.39, x2 = 5, r l = 150 ? 0.85 1.0 1.1 ? gain @ dc channel-to-channel gain matching v c = 0, v g = 0.39, x2 = 5, r l = 150 ? 38% ? gain @ 15mhz channel-to-channel gain matching v c = 0.6, v g = 0.39, x2 = 5, r l = 150 ? , frequency = 15mhz 311% v(sync) hi high level output on v/h out (ISL59910 only) v(v sp ) - 0.1v v(v sp )
ISL59910, isl59913 fn6406 rev 0.00 page 4 of 12 december 15, 2006 v(sync) lo low level output on v/h out (ISL59910 only) v(sync ref) v(sync ref) + 0.1v supply i son supply current per channel v enbl = 5, v inm = 0 32 36 39 ma i soff supply current per channel v enbl = 0, v inm = 0 0.2 0.4 ma psrr power supply rejection ratio dc to 100khz, 5v supply 65 db logic control pins (enable, x2) v hi logic high level v in - v logic ref for guaranteed high level 1.4 v v low logic low level v in - v logic ref for guaranteed low level 0.8 v i logich logic high input current v in = 5v, v logic = 0v 50 a i logicl logic low input current v in = 0v, v logic = 0v 15 a electrical specifications v sa + = v a + = +5v, v sa - = v a - = -5v, t a = +25c, exposed die plate = -5 v, unless otherwise specified. parameter description conditions min typ max unit pin descriptions pin number ISL59910 isl59913 pin name pin function pin name pin function 1 vsmo_b -5v to blue output buffer vsmo_b -5v to blue output buffer 2 vout_b blue output voltage referenced to 0v pin vout_b blue outpu t voltage referenced to 0v pin 3 vspo_b +5v to blue output buffer vspo_b +5v to blue output buffer 4 vspo_g +5v to green output buffer vspo_g +5v to green output buff er 5 vout_g green output voltage referenced to 0v pin vout_g green out put voltage referenced to 0v pin 6 vsmo_g -5v to green output buffer vsmo_g -5v to green output buff er 7 vsmo_r -5v to red output buffer vsmo_r -5v to red output buffer 8 vout_r red output voltage referenced to 0v pin vout_r red output voltage referenced to 0v pin 9 vspo_r +5v to red output buffer vspo_r +5v to red output buffer 10 vctrl equalization control voltage (0v to 0.95v) vctrl equalizat ion control voltage (0v to 0.95v) 11 vref reference voltage for logic signals, v ctrl and v gain pins vref reference voltage for logic signals, v ctrl and v gain pins 12 vgain_r red channel gain voltage (0v to 1v) vgain_r red channel gain voltage (0v to 1v) 13 vgain_g green channel gain voltage (0v to 1v) vgain_g green chan nel gain voltage (0v to 1v) 14 vgain_b blue channel gain voltage (0v to 1v) vgain_b blue channe l gain voltage (0v to 1v) 15 vsm -5v to core of chip vsm -5v to core of chip 16 vinp_r red positive differential input vinp_r red positive diffe rential input 17 vinm_r red negative differential input vinm_r red negative diffe rential input 18 vinp_g green positive differen tial input vinp_g green positive d ifferential input 19 vinm_g green negative differen tial input vinm_g green negative d ifferential input 20 vinp_b blue positive differential input vinp_b blue positive dif ferential input 21 vinm_b blue negative differential input vinm_b blue negative dif ferential input 22 vsp +5v to core of chip vsp +5v to core of chip 23 hout decoded horizontal sync referenced to syncref vcm_r red common-mode voltage at inputs 24 vout decoded vertical sync referenced to syncref vcm_g green com mon-mode voltage at inputs 25 syncref reference level for h out and v out logic outputs vcm_b blue common-mode voltage at inputs
ISL59910, isl59913 fn6406 rev 0.00 page 5 of 12 december 15, 2006 26 x2 logic signal for x1/x2 output gain setting x2 logic signal fo r x1/x2 output gain setting 27 enable chip enable logic signal enable chip enable logic signal 28 0v 0v reference for output voltage 0v 0v reference for output vo ltage thermal pad must be connected to -5v pin descriptions (continued) pin number ISL59910 isl59913 pin name pin function pin name pin function typical performance curves figure 1. frequency response of all channels figure 2. gain vs frequency all channels figure 3. gain vs frequency for various v ctrl figure 4. gain vs frequency for various v ctrl and v gain 1m 10m 100m 200m 5 3 1 -1 -3 -5 x 2 =low v gain =0v v ctrl =0v r load =150 frequency (hz) gain (db) x 2 =high v gain =0.35v v ctrl =0v r load =150 ? ? ? v gain =0v v ctrl =0.1v steps source=-20dbm v ctrl=0v v ctrl=1v x 2 =low v s =5v r l =150 ? source=-20dbm v ctrl=0v v gain=0v v ctrl=0.25v v gain=0.25v v ctrl=0v v gain=0.25v
ISL59910, isl59913 fn6406 rev 0.00 page 6 of 12 december 15, 2006 figure 5. gain vs frequency for various v ctrl and cable lengths figure 6. channel mismatch figure 7. offset vs v ctrl figure 8. dc gain vs v gain figure 9. harmonic distortion vs frequency figure 10. output noise typical performance curves (continued) x 2 =low v s =5v r l =150 ? v gain =1v source=-20dbm v ctrl=1v cable=3ft v ctrl=0v cable=600ft v ctrl=0v cable=3ft v ctrl=1v cable=600ft x 2 =low v gain =0.5v v ctrl =0.5v r load =150 ? ?? ? input 50 ? to ground x 2=low x 2=high x 2=low v ctrl=0v x 2=high v ctrl=0v v gain=1v v ctrl =0v r load =150 ? input=50 ?? to gnd x 2 =high v s =5v r l =150 ? v ctrl=0v v gain=1v 2nd hamonic 3rd harmonic total harmonic x 2 =high v s =5v r l =150 ? input=50 ? to ground v ctrl=0v v gain=0v v ctrl=1v v gain=0v v ctrl=0v v gain=1v v ctrl=1v v gain=1v
ISL59910, isl59913 fn6406 rev 0.00 page 7 of 12 december 15, 2006 figure 11. common-mode rejection figure 12. cm amplifier bandwidth figure 13. (+)psrr vs frequency figure 14. (-)psrr vs frequency figure 15. blue crosstalk (cable length = 3ft.) figure 16. blue cr osstalk (cable length = 600ft.) typical performance curves (continued) 100k 1m 10m 100m -10 -20 -40 -60 -80 -100 v gain =0.35v (all channels) v ctrl =0v x 2 =high frequency (hz) cmrr (db) 100k 1m 10m 100m 4 2 0 -2 -4 -6 v gain =0.35v (all channels) v ctrl =0v r load =150 ? x 2 =high frequency (hz) gain (db) 10 1k 100k 100m 0 -20 -40 -60 -80 -100 v cc =5v v ctrl =0v v gain =0v (all channels) inputs on gnd frequency (hz) +psrr (db) 100 10k 1m 10m 10 1k 100k 100m -20 -40 -60 -80 -100 -120 v ee =-5v v ctrl =0v v gain =0v (all channels) inputs on gnd frequency (hz) -psrr (db) 100 10k 1m 10m x 2 =low v s =5v r l =150 ? v ctrl =1v v gain =1v blue red green
ISL59910, isl59913 fn6406 rev 0.00 page 8 of 12 december 15, 2006 figure 17. green crosstalk (cable length = 3ft.) figure 18. green crosstalk (cable length = 600ft.) figure 19. red crosstalk (cable length = 3ft.) figure 20. red cros stalk (cable length =600ft.) figure 21. rise time and fall time figure 22. pulse response for various cable lengths typical performance curves (continued) x 2 =low v s =5v r l =150 ? v ctrl =1v v gain =1v blue red green x 2 =low v s =5v r l =150 ? v ctrl =1v v gain =1v blue red green x 2 =high v s =5v r l =150 ? v gain =0v input=10mhz v ctrl=0v cable=3ft v ctrl=0.2v cable=600ft
ISL59910, isl59913 fn6406 rev 0.00 page 9 of 12 december 15, 2006 applications information logic control the isl59913 has two logica l input pins, chip enable (enable) and switch gain (x2). the logic circuits all have a nominal threshold of 1.1v abov e the potential of the logic reference pin (vref). in most ap plications it is expected that this chip will run fr om a +5v, 0v, -5v supply system with logic being run between 0v and +5v. in this case the logic reference voltage should be tied to the 0v supply. if the logic is referenced to the -5v rail, th en the logic reference should be connected to -5v. the logic refe rence pin sources about 60a and this will rise to about 200a if all inputs are true (posit ive). the logic inputs all source up to 10a when they are held at the logic reference level. when taken positive, the inputs sink a current dependent on the high level, up to 50a for a high leve l 5v above the reference level. the logic inputs, if not used, sh ould be tied to the appropriat e voltage in order to define their state. control reference and signal reference analog control voltages are requi red to set the equalizer and contrast levels. these signals are voltages in the range 0v to 1v, which are referenced to the control reference pin. it is expected that th e control reference pin will be tied to 0v and the control voltage will vary f rom 0v to 1v. it is; however, acceptable to connect the contr ol reference to any potential between -5v and 0v to which the control voltages are referenced. the control voltage pins themse lves are high impedance. the control reference pin will s ource between 0a and 200a depending on the control voltages being applied. the control reference and logic reference effectively remove th e necessity for the 0v rail and operation from 5v (or 0v and 10v ) only is possible. however we sti ll need a further reference to define the 0v level of the single ended output signal. the reference for the output signal i s provided by the 0v pin. the output stage cannot pull fully up or down to either supply so i t is important that the reference is positioned to allow full output swing. the 0v reference should be tied to a 'quiet ground' as any noise on this pin is transfe rred directly to the output. th e 0v pin is a high impedance pin and draws dc bias currents of a few a and similar levels of ac current. equalizing when transmitting a signal acro ss a twisted pair cable, it is f ound that the high frequen cy (above 1mhz) informa tion is attenuated more significantly than the in formation at low frequencies. the attenuation is predominantly due to resistive skin effect losse s and has a loss curve which depend s on the resistivity of the conductor, surface condition of the wire and the wire diameter. for the range of high performance twisted pair cables based on 24awg copper wire (cat-5 etc) . these parameters vary only a little between cable types and in general cables exhibit the sa me frequency dependence of loss. ( the lower loss cables can be compared with somewhat longer lengths of their more lossy brothers.) this enables a single equalizing law equation to be built into the isl59913. with a control voltage applied between pins vctrl and vref, the frequency dependence of t he equalization is shown in figure 8. the equalization matche s the cable lo ss up to about 100mhz. above this, system gain is rolled off ra pidly to reduce noise bandwidth. the roll-off occurs more rapidly for higher control voltages, thus the system (cable + equalizer) bandwidth reduces as the cable length inc reases. this is desirable, as noise becomes an increasing issue as the equalization increases. typical performance curves (continued) figure 23. package power dissipation vs ambient temperature figure 24. package power dissipation vs ambient temperature jedec jesd51-7 high effective thermal conductivity test board - qfn exposed diepad soldered to pcb per jesd51-5 ? j a = 3 7 c / w q f n 2 8 3.378w 0 50 85 150 4.5 3.5 2.5 1.5 0.5 0 ambient temperature (c) power dissipation (w) 25 75 100 125 4 2 1 3 jedec jesd51-3 low effective thermal conductivity test board 893mw ? j a = 1 4 0 c / w q f n 2 8 0 50 85 150 1.2 0.8 0.6 0.4 0.2 0 ambient temperature (c) power dissipation (w) 25 75 100 125 1
ISL59910, isl59913 fn6406 rev 0.00 page 10 of 12 december 15, 2006 contrast by varying the voltage between pins vgain and vref, the gain of the signal path can be changed in the ratio 4:1. the gain change varies almost linearly wi th control voltage. for normal operation it is anticipated the x2 mode will be selected and th e output load will be back matched. a unity gain to the output lo ad will then be achieved with a gai n control voltage of about 0.35 v. this allows the gain to be tr immed up or down by 6db to compensate for any gain/loss err ors that affect the contrast of the video signal. figure 26 shows an example plot of the gain t o the load with gain control voltage. c ommon mode sync decoding the ISL59910 features common mode decoding to allow horizontal and vertical synchronization information, which has been encoded on the three differential inputs by the el4543, to be decoded. the entire rgb vid eo signal can therefore be transmitted, along with the associated synchronization information, by using just three twisted pairs. decoding is based on the el4543 encoding scheme, as described in figure 26 and table 1. the scheme is a three-level system, which has been designe d such that the sum of the common mode voltages results in a fixed average dc level with no ac content. this eliminates t he effect of emi radiation into the common mode signals along the twisted pairs of the cable the common mode voltages are initially extracted by the ISL59910 from the three input pairs. these are then passed to a n internal logic decoding block to provide horizontal and vertica l sync output signals (h out and v out ). 00.8 v gain 0.4 1 2 1.8 1.4 1 0.6 0.4 gain (v) 0.6 0.2 1.6 1.2 0.8 figure 25. variation of gain with gain control voltage table 1. h and v sync decoding red cm green cm blue cm h sync v sync mid high low low low high low mid low high low high mid high low mid low high high high note: level mid is halfway between high and low time (0.5ms/div) voltage (0.5v/div) blue cm out (ch a) green cm out (ch b) red cm out (ch c) v sync h sync voltage (2.5v/div) figure 26. h and v syncs encoded
fn6406 rev 0.00 page 11 of 12 december 15, 2006 ISL59910, isl59913 intersil products are manufactured, assembled and tested utilizing iso9001 quality systems as noted in the quality certifications found at www.intersil.com/en/suppor t/qualandreliability.html intersil products are sold by description on ly. intersil may modify the circuit design an d/or specifications of products at any time without notice, provided that such modification does not, in intersil's sole judgment, affect the form, fit or function of the product. accordingly, the reader is cautioned to verify that datasheets are current before placing orders. information fu rnished by intersil is believed to be accu rate and reliable. however, no responsib ility is assumed by intersil or its subsidiaries for its use; nor for any infrin gements of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of intersil or its subsidiaries. for information regarding intersil corporation and its products, see www.intersil.com for additional products, see www.intersil.com/en/products.html ? copyright intersil americas llc 2006. all rights reserved. all trademarks and registered trademarks are the property of their respective owners. power dissipation the ISL59910 and isl59913 are designed to operate with 5v supply voltages. the supply currents are tested in production and guaranteed to be less than 39ma per channel. operating at 5v power supply, the total power dissipation is: where: ?pd max = maximum power dissipation ?v s = supply voltage = 5v ?i max = maximum quiescent supply current per channel = 39ma ?v outmax = maximum output vol tage swing of the application = 2v r l = load resistance = 150 ? ? ? ja required for long term reliable operation can be calculated. this is done using equation 3: where tj is the maximum juncti on temperature (+150c) ta is the maximum ambient temperature (+85c) for a qfn 28 package in a properly layout pcb heatsinking copper area, +37c/w ? ja thermal resis tance can be achieved. to disperse the heat, the bottom heatspreader must be soldered to the pc b. heat flows through the heatspreader to the circuit b oard copper then spreads and converts to air. thus the pcb copper plane becomes the heatsink. this has proven to be a very effective technique. a separate application note d etails the 28 ld qfn. pcb design considerations are available. pd max 32v s ? i smax v s ? - v outmax ? v outmax r l ---------------------------- ? + ? ? = (eq. 1) pd max 1.29w = (eq. 2) ? ja tj ta C ?? pd ----------------------- = 50.4cw = (eq. 3)
ISL59910, isl59913 fn6406 rev 0.00 page 12 of 12 december 15, 2006 qfn (quad flat no-lead) package family pin #1 i.d. mark 2 1 3 (n-2) (n-1) n (n/2) 2x 0.075 top view (n/2) ne 2 3 1 pin #1 i.d. (n-2) (n-1) n b l n leads bottom view detail x plane seating n leads c see detail "x" a1 (l) n leads & exposed pad 0.10 side view 0.10 b a m c c b a e 2x 0.075 c d 3 5 7 (e2) (d2) e 0.08 c c (c) a 2 c mdp0046 qfn (quad flat no-lead) package family (compliant to jedec mo-220) symbol qfn44 qfn38 qfn32 tolerance notes a 0.90 0.90 0.90 0.90 0.10 - a1 0.02 0.02 0.02 0.02 +0.03/-0.02 - b 0.25 0.25 0.23 0.22 0.02 - c 0.20 0.20 0.20 0.20 reference - d 7.00 5.00 8.00 5.00 basic - d2 5.10 3.80 5.80 3.60/2.48 reference 8 e 7.00 7.00 8.00 6.00 basic - e2 5.10 5.80 5.80 4.60/3.40 reference 8 e 0.50 0.50 0.80 0.50 basic - l 0.55 0.40 0.53 0.50 0.05 - n 44 38 32 32 reference 4 nd 11 7 8 7 reference 6 ne 11 12 8 9 reference 5 symbol qfn28 qfn24 qfn20 qfn16 toler- ance notes a 0.90 0.90 0.90 0.90 0.90 0.10 - a1 0.02 0.02 0.02 0.02 0.02 +0.03/ -0.02 - b 0.25 0.25 0.30 0.25 0.33 0.02 - c 0.20 0.20 0.20 0.20 0.20 reference - d 4.00 4.00 5.00 4.00 4.00 basic - d2 2.65 2.80 3.70 2.70 2.40 reference - e 5.00 5.00 5.00 4.00 4.00 basic - e2 3.65 3.80 3.70 2.70 2.40 reference - e 0.50 0.50 0.65 0.50 0.65 basic - l 0.40 0.40 0.40 0.40 0.60 0.05 - n 28 24 20 20 16 reference 4 nd 6 5 5 5 4 reference 6 ne 8 7 5 5 4 reference 5 rev 10 12/04 notes: 1. dimensioning and tolerancing per asme y14.5m-1994. 2. tiebar view shown is a non-functional feature. 3. bottom-side pin #1 i.d. is a diepad chamfer as shown. 4. n is the total number of terminals on the device. 5. ne is the number of terminals on the e side of the package (or y-direction). 6. nd is the number of terminals on the d side of the package (or x-direction). nd = (n/2)-ne. 7. inward end of terminal may be square or circular in shape wit h radius (b/2) as shown. 8. if two values are listed, mul tiple exposed pad options are av ailable. refer to device-s pecific datasheet.


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