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sn54alvth162245, sn74alvth162245 2.5-v/3.3-v 16-bit bus transceivers with 3-state outputs sces331a ? april 2000 ? revised april 2002 1 post office box 655303 ? dallas, texas 75265 state-of-the-art advanced bicmos technology (abt) widebus ? design for 2.5-v and 3.3-v operation and low static-power dissipation support mixed-mode signal operation (5-v input and output voltages with 2.3-v to 3.6-v v cc ) typical v olp (output ground bounce) <0.8 v at v cc = 3.3 v, t a = 25 c high drive ? a port = ?12/12 ma at 3.3-v v cc ? b port = ?32/64 ma at 3.3-v v cc i off and power-up 3-state support hot insertion use bus hold on data inputs in place of external pullup/pulldown resistors to prevent the bus from floating a-port outputs have equivalent 30- ? series resistors, so no external resistors are required flow-through architecture facilitates printed circuit board layout distributed v cc and gnd pins minimize high-speed switching noise latch-up performance exceeds 100 ma per jesd 78, class ii description the ?alvth162245 devices are 16-bit (dual-octal) noninverting 3-state transceivers designed for 2.5-v or 3.3-v v cc operation, but with the capability to provide a ttl interface to a 5-v system environment. these devices can be used as two 8-bit transceivers or one 16-bit transceiver. they allow data transmission from the a bus to the b bus or from the b bus to the a bus, depending on the logic level at the direction-control (dir) input. the output-enable (oe ) input can be used to disable the device so that the buses are effectively isolated. the a-port outputs, which are designed to source or sink up to 12 ma, include equivalent 30- ? series resistors to reduce overshoot and undershoot. these devices are fully specified for hot-insertion applications using i off and power-up 3-state. the i off circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. the power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down, which prevents driver conflict. active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level. use of pullup or pulldown resistors with the bus-hold circuitry is not recommended. unless otherwise noted this document contains production data information current as of publication date. products conform to specifications per the terms of texas instruments standard warranty. production processing does not necessarily include testing of all parameters. copyright ? 2002, texas instruments incorporated please be aware that an important notice concerning availability, standard warranty, and use in critical applications of texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. widebus is a trademark of texas instruments. sn54alvth162245 . . . wd package sn74alvth162245 . . . dgg, dgv, or dl package (top view) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1dir 1b1 1b2 gnd 1b3 1b4 v cc 1b5 1b6 gnd 1b7 1b8 2b1 2b2 gnd 2b3 2b4 v cc 2b5 2b6 gnd 2b7 2b8 2dir 1oe 1a1 1a2 gnd 1a3 1a4 v cc 1a5 1a6 gnd 1a7 1a8 2a1 2a2 gnd 2a3 2a4 v cc 2a5 2a6 gnd 2a7 2a8 2oe
sn54alvth162245, sn74alvth162245 2.5-v/3.3-v 16-bit bus transceivers with 3-state outputs sces331a ? april 2000 ? revised april 2002 2 post office box 655303 ? dallas, texas 75265 description (continued) when v cc is between 0 and 1.2 v, the device is in the high-impedance state during power up or power down. however, to ensure the high-impedance state above 1.2 v, oe should be tied to v cc through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. terminal assignments 123456 a 1dir nc nc nc nc 1oe b 1b2 1b1 gnd gnd 1a1 1a2 c 1b4 1b3 v cc v cc 1a3 1a4 d 1b6 1b5 gnd gnd 1a5 1a6 e 1b8 1b7 1a7 1a8 f 2b1 2b2 2a2 2a1 g 2b3 2b4 gnd gnd 2a4 2a3 h 2b5 2b6 v cc v cc 2a6 2a5 j 2b7 2b8 gnd gnd 2a8 2a7 k 2dir nc nc nc nc 2oe nc ? no internal connection ordering information t a package ? orderable part number top-side marking ssop ? dl tape and reel sn74alvth162245lr alvth162245 40 cto85 c tssop ? dgg tape and reel sn74alvth162245gr alvth162245 ? 40 c to 85 c tvsop ? dgv tape and reel sn74alvth162245vr vt2245 vfbga ? gql tape and reel sn74alvth162245qr ? 55 c to 125 c cfp ? wd tube SNJ54ALVTH162245WD SNJ54ALVTH162245WD ? package drawings, standard packing quantities, thermal data, symbolization, and pcb design guidelines are available at www.ti.com/sc/package. function table (each 8-bit section) inputs operation oe dir operation l l b data to a bus l h a data to b bus h x isolation sn74alvth162245 . . . gql package (top view) j h g f e d c b a 2 134 6 5 k
sn54alvth162245, sn74alvth162245 2.5-v/3.3-v 16-bit bus transceivers with 3-state outputs sces331a ? april 2000 ? revised april 2002 3 post office box 655303 ? dallas, texas 75265 logic diagram (positive logic) to seven other channels 1dir 1a1 1b1 1oe to seven other channels 2dir 2a1 2b1 2oe 1 47 24 36 48 2 25 13 pin numbers shown are for the dgg, dgv, dl, and wd packages. absolute maximum ratings over operating free-air temperature range (unless otherwise noted) ? supply voltage range, v cc ? 0.5 v to 4.6 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input voltage range, v i (see note 1) ? 0.5 v to 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . voltage range applied to any output in the high-impedance or power-off state, v o (see note 1) ? 0.5 v to 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . voltage range applied to any output in the high state, v o (see note 1) ? 0.5 v to 7 v . . . . . . . . . . . . . . . . . . . . output current in the low state, i o : sn54alvth162245 96 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sn74alvth162245 128 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . output current in the high state, i o : sn54alvth162245 ? 48 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sn74alvth162245 ? 64 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . continuous current through v cc or gnd 100 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input clamp current, i ik (v i < 0) ? 50 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . output clamp current, i ok (v o < 0) ? 50 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . package thermal impedance, ja (see note 2): dgg package 70 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . dgv package 58 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . dl package 63 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . gql package 42 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ? 65 c to 150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ? stresses beyond those listed under ? absolute maximum ratings ? may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under ? recommended operating conditions ? is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. notes: 1. the input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observe d. 2. the package thermal impedance is calculated in accordance with jesd 51-7.
sn54alvth162245, sn74alvth162245 2.5-v/3.3-v 16-bit bus transceivers with 3-state outputs sces331a ? april 2000 ? revised april 2002 4 post office box 655303 ? dallas, texas 75265 recommended operating conditions, v cc = 2.5 v 0.2 v (see note 3) sn54alvth162245 sn74alvth162245 unit min typ max min typ max unit v cc supply voltage 2.3 2.7 2.3 2.7 v v ih high-level input voltage 1.7 1.7 v v il low-level input voltage 0.7 0.7 v v i input voltage 0 v cc 5.5 0 v cc 5.5 v i oh high-level output current (a port) ? 6 ? 8 ma i oh high-level output current (b port) ? 6 ? 8 ma low-level output current (a port) 6 12 i ol low-level output current (b port) 6 8 ma i ol low-level output current; current duty cycle 50%; f 1 khz (b port) 18 24 ma ? t/ ? v input transition rise or fall rate outputs enabled 10 10 ns/v ? t/ ? v cc power-up ramp rate 200 200 s/v t a operating free-air temperature ? 55 125 ? 40 85 c note 3: all unused control inputs of the device must be held at v cc or gnd to ensure proper device operation. refer to the ti application report, implications of slow or floating cmos inputs , literature number scba004. recommended operating conditions, v cc = 3.3 v 0.3 v (see note 3) sn54alvth162245 sn74alvth162245 unit min typ max min typ max unit v cc supply voltage 3 3.6 3 3.6 v v ih high-level input voltage 2 2 v v il low-level input voltage 0.8 0.8 v v i input voltage 0 v cc 5.5 0 v cc 5.5 v i oh high-level output current (a port) ? 8 ? 12 ma i oh high-level output current (b port) ? 24 ? 32 ma low-level output current (a port) 8 12 i ol low-level output current (b port) 24 32 ma i ol low-level output current; current duty cycle 50%; f 1 khz (b port) 48 64 ma ? t/ ? v input transition rise or fall rate outputs enabled 10 10 ns/v ? t/ ? v cc power-up ramp rate 200 200 s/v t a operating free-air temperature ? 55 125 ? 40 85 c note 3: all unused control inputs of the device must be held at v cc or gnd to ensure proper device operation. refer to the ti application report, implications of slow or floating cmos inputs , literature number scba004. product preview information concerns products in the formative or design phase of development. characteristic data and other specifications are design goals. texas instruments reserves the right to change or discontinue these products without notice.
sn54alvth162245, sn74alvth162245 2.5-v/3.3-v 16-bit bus transceivers with 3-state outputs sces331a ? april 2000 ? revised april 2002 5 post office box 655303 ? dallas, texas 75265 electrical characteristics over recommended operating free-air temperature range, v cc = 2.5 v 0.2 v (unless otherwise noted) parameter test conditions sn54alvth162245 sn74alvth162245 unit parameter test conditions min typ ? max min typ ? max unit v ik v cc = 2.3 v, i i = ? 18 ma ? 1.2 ? 1.2 v v cc = 2.3 v to 2.7 v, i oh = ? 100 a v cc ? 0.2 v cc ? 0.2 a port v cc =23v i oh = ? 6 ma 1.7 v oh v cc = 2 . 3 v i oh = ? 8 ma 1.7 v v oh v cc = 2.3 v to 2.7 v, i oh = ? 100 a v cc ? 0.2 v cc ? 0.2 v b port v cc =23v i oh = ? 6 ma 1.7 v cc = 2 . 3 v i oh = ? 8 ma 1.7 v cc = 2.3 v to 2.7 v, i ol = 100 a 0.2 0.2 a port v cc =23v i ol = 6 ma 0.4 v cc = 2 . 3 v i ol = 12 ma 0.4 v ol v cc = 2.3 v to 2.7 v, i ol = 100 a 0.2 0.2 v v ol i ol = 6 ma 0.4 v b port v cc =23v i ol = 8 ma 0.4 v cc = 2 . 3 v i ol = 18 ma 0.5 i ol = 24 ma 0.5 control in p uts v cc = 2.7 v, v i = gnd 1 1 control inputs v cc = 0 or 2.7 v, v i = 5.5 v 10 10 i i v i = 5.5 v 20 20 a a or b ports v cc = 2.7 v v i = v cc 1 1 v i = 0 ? 5 ? 5 i off v cc = 0, v i or v o = 0 to 4.5 v 100 a i bhl ? v cc = 2.3 v, v i = 0.7 v 115 115 a i bhh v cc = 2.3 v, v i = 1.7 v ? 10 ? 10 a i bhlo ? v cc = 2.7 v, v i = 0 to v cc 300 300 a i bhho # v cc = 2.7 v, v i = 0 to v cc ? 300 ? 300 a i ex || v cc = 2.3 v, v o = 5.5 v 125 125 a i oz(pu/pd) v cc 1.2 v, v o = 0.5 v to v cc , v i = gnd or v cc , oe = don ? t care 100 100 a v cc = 2.7 v, outputs high 0.04 0.1 0.04 0.1 i cc v cc = 2 . 7 v , i o = 0, outputs low 2.3 4.5 2.3 4.5 ma v i = v cc or gnd outputs disabled 0.04 0.1 0.04 0.1 c i v cc = 2.5 v, v i = 2.5 v or 0 3.5 3.5 pf c io v cc = 2.5 v, v o = 2.5 v or 0 8 8 pf ? all typical values are at v cc = 2.5 v, t a = 25 c. ? the bus-hold circuit can sink at least the minimum low sustaining current at v il max. i bhl should be measured after lowering v in to gnd and then raising it to v il max. the bus-hold circuit can source at least the minimum high sustaining current at v ih min. i bhh should be measured after raising v in to v cc and then lowering it to v ih min. ? an external driver must source at least i bhlo to switch this node from low to high. # an external driver must sink at least i bhho to switch this node from high to low. || current into an output in the high state when v o > v cc high-impedance state during power up or power down product preview information concerns products in the formative or design phase of development. characteristic data and other specifications are design goals. texas instruments reserves the right to change or discontinue these products without notice.
sn54alvth162245, sn74alvth162245 2.5-v/3.3-v 16-bit bus transceivers with 3-state outputs sces331a ? april 2000 ? revised april 2002 6 post office box 655303 ? dallas, texas 75265 electrical characteristics over recommended operating free-air temperature range, v cc = 3.3 v 0.3 v (unless otherwise noted) parameter test conditions sn54alvth162245 sn74alvth162245 unit parameter test conditions min typ ? max min typ ? max unit v ik v cc = 3 v, i i = ? 18 ma ? 1.2 ? 1.2 v v cc = 3 v to 3.6 v, i oh = ? 100 a v cc ? 0.2 v cc ? 0.2 a port v cc =3v i oh = ? 8 ma 2 v oh v cc = 3 v i oh = ? 12 ma 2 v v oh v cc = 3 v to 3.6 v, i oh = ? 100 a v cc ? 0.2 v cc ? 0.2 v b port v cc =3v i oh = ? 24 ma 2 v cc = 3 v i oh = ? 32 ma 2 v cc = 3 v to 3.6 v, i ol = 100 a 0.2 0.2 a port v cc =3v i ol = 8 ma ? v cc = 3 v i ol = 12 ma 0.8 v ol v cc = 3 v to 3.6 v, i ol = 100 a 0.2 0.2 v v ol i ol = 24 ma 0.5 v b port v cc =3v i ol = 32 ma 0.5 v cc = 3 v i ol = 48 ma 0.55 i ol = 64 ma 0.55 control in p uts v cc = 3.6 v, v i = v cc or gnd 1 1 control inputs v cc = 0 or 3.6 v, v i = 5.5 v 10 10 i i v i = 5.5 v 20 20 a a or b ports v cc = 3.6 v v i = v cc 1 1 v i = 0 ? 5 ? 5 i off v cc = 0, v i or v o = 0 to 4.5 v 100 a i bhl ? v cc = 3 v, v i = 0.8 v 75 75 a i bhh v cc = 3 v, v i = 2 v ? 75 ? 75 a i bhlo ? v cc = 3.6 v, v i = 0 to v cc 500 500 a i bhho # v cc = 3.6 v, v i = 0 to v cc ? 500 ? 500 a i ex || v cc = 3 v, v o = 5.5 v 125 125 a i oz(pu/pd) v cc 1.2 v, v o = 0.5 v to v cc , v i = gnd or v cc , oe = don ? t care 100 100 a v cc = 3.6 v, outputs high 0.07 0.1 0.07 0.1 i cc v cc = 3 . 6 v , i o = 0, outputs low 3.2 5 3.2 5 ma v i = v cc or gnd outputs disabled 0.07 0.1 0.07 0.1 ? i cc v cc = 3 v to 3.6 v, one input at v cc ? 0.6 v, other inputs at v cc or gnd 0.2 0.2 ma c i v cc = 3.3 v, v i = 3.3 v or 0 3.5 3.5 pf c io v cc = 3.3 v, v o = 3.3 v or 0 8 8 pf ? all typical values are at v cc = 3.3 v, t a = 25 c. ? the bus-hold circuit can sink at least the minimum low sustaining current at v il max. i bhl should be measured after lowering v in to gnd and then raising it to v il max. the bus-hold circuit can source at least the minimum high sustaining current at v ih min. i bhh should be measured after raising v in to v cc and then lowering it to v ih min. ? an external driver must source at least i bhlo to switch this node from low to high. # an external driver must sink at least i bhho to switch this node from high to low. || current into an output in the high state when v o > v cc high-impedance state during power up or power down this is the increase in supply current for each input that is at the specified ttl voltage level rather than v cc or gnd. product preview information concerns products in the formative or design phase of development. characteristic data and other specifications are design goals. texas instruments reserves the right to change or discontinue these products without notice.
sn54alvth162245, sn74alvth162245 2.5-v/3.3-v 16-bit bus transceivers with 3-state outputs sces331a ? april 2000 ? revised april 2002 7 post office box 655303 ? dallas, texas 75265 switching characteristics over recommended operating free-air temperature range, c l = 30 pf, v cc = 2.5 v 0.2 v (unless otherwise noted) (see figure 1) parameter from to sn54alvth162245 sn74alvth162245 unit parameter (input) (output) min max min max unit t plh a b 0.3 3.6 0.3 3.6 ns t phl a b 0.5 3.5 0.5 3.5 ns t plh b a 1.1 4.3 1.1 4.3 ns t phl b a 1.1 3.8 1.1 3.8 ns t pzh oe a 2 5.6 2 5.6 ns t pzl oe a 1.8 4.4 1.8 4.4 ns t pzh oe b 1.5 5.1 1.5 5.1 ns t pzl oe b 1.5 4.1 1.5 4.1 ns t phz oe a 1.9 4.9 1.9 4.9 ns t plz oe a 1.5 4.3 1.5 4.3 ns t phz oe b 1.9 4.8 1.9 4.8 ns t plz oe b 1.5 4.1 1.5 4.1 ns switching characteristics over recommended operating free-air temperature range, c l = 50 pf, v cc = 3.3 v 0.3 v (unless otherwise noted) (see figure 2) parameter from to sn54alvth162245 sn74alvth162245 unit parameter (input) (output) min max min max unit t plh a b 0.5 3.1 0.5 3.1 ns t phl a b 0.5 3 0.5 3 ns t plh b a 1 3.7 1 3.7 ns t phl b a 1 3.4 1 3.4 ns t pzh oe a 1.4 4.7 1.4 4.7 ns t pzl oe a 1.4 3.9 1.4 3.9 ns t pzh oe b 1 3.8 1 3.8 ns t pzl oe b 0.7 3.4 0.7 3.4 ns t phz oe a 2.4 5 2.4 5 ns t plz oe a 2.6 4.9 2.6 4.9 ns t phz oe b 2.4 4.7 2.4 4.7 ns t plz oe b 2.3 4.8 2.3 4.8 ns product preview information concerns products in the formative or design phase of development. characteristic data and other specifications are design goals. texas instruments reserves the right to change or discontinue these products without notice.
sn54alvth162245, sn74alvth162245 2.5-v/3.3-v 16-bit bus transceivers with 3-state outputs sces331a ? april 2000 ? revised april 2002 8 post office box 655303 ? dallas, texas 75265 parameter measurement information v cc /2 t h t su from output under test c l (see note a) load circuit s1 2 v cc open gnd r l r l data input timing input v cc 0 v v cc 0 v 0 v t w input voltage waveforms setup and hold times voltage waveforms propagation delay times inverting and noninverting outputs voltage waveforms pulse duration t plh t phl t phl t plh v oh v oh v ol v ol v cc 0 v input output waveform 1 s1 at 2 v cc (see note b) output waveform 2 s1 at gnd (see note b) v ol v oh t pzl t pzh t plz t phz v cc 0 v v ol + v ? v oh ? v ? 0 v v cc voltage waveforms enable and disable times low- and high-level enabling output output t plh /t phl t plz /t pzl t phz /t pzh open 2 v cc gnd test s1 notes: a. c l includes probe and jig capacitance. b. waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. c. all input pulses are supplied by generators having the following characteristics: prr 10 mhz, z o = 50 ? , t r 2 ns, t f 2 ns. d. the outputs are measured one at a time with one transition per measurement. e. all parameters and waveforms are not applicable to all devices. output control v cc /2 v cc /2 v cc /2 v cc /2 v cc /2 v cc /2 v cc /2 v cc /2 v cc /2 v cc /2 v cc /2 v cc /2 v cc v cc /2 v cc /2 2.5 v 0.2 v 3.3 v 0.3 v 500 ? 500 ? v cc r l 0.15 v 0.3 v v ? c l 30 pf 50 pf figure 1. load circuit and voltage waveforms
mechanical data mpds006c february 1996 revised august 2000 1 post office box 655303 ? dallas, texas 75265 dgv (r-pdso-g**) plastic small-outline 24 pins shown 14 3,70 3,50 4,90 5,10 20 dim pins ** 4073251/e 08/00 1,20 max seating plane 0,05 0,15 0,25 0,50 0,75 0,23 0,13 112 24 13 4,30 4,50 0,16 nom gage plane a 7,90 7,70 38 24 16 4,90 5,10 3,70 3,50 a max a min 6,60 6,20 11,20 11,40 56 9,60 9,80 48 0,08 m 0,07 0,40 0 8 notes: a. all linear dimensions are in millimeters. b. this drawing is subject to change without notice. c. body dimensions do not include mold flash or protrusion, not to exceed 0,15 per side. d. falls within jedec: 24/48 pins mo-153 14/16/20/56 pins mo-194
mechanical data msso001c ? january 1995 ? revised december 2001 1 post office box 655303 ? dallas, texas 75265 dl (r-pdso-g**) plastic small-outline package 4040048 / e 12/01 48 pins shown 56 0.730 (18,54) 0.720 (18,29) 48 28 0.370 (9,40) (9,65) 0.380 gage plane dim 0.420 (10,67) 0.395 (10,03) a min a max 0.010 (0,25) pins ** 0.630 (16,00) (15,75) 0.620 0.010 (0,25) seating plane 0.020 (0,51) 0.040 (1,02) 25 24 0.008 (0,203) 0.0135 (0,343) 48 1 0.008 (0,20) min a 0.110 (2,79) max 0.299 (7,59) 0.291 (7,39) 0.004 (0,10) m 0.005 (0,13) 0.025 (0,635) 0 ? 8 0.005 (0,13) notes: a. all linear dimensions are in inches (millimeters). b. this drawing is subject to change without notice. c. body dimensions do not include mold flash or protrusion not to exceed 0.006 (0,15). d. falls within jedec mo-118
mechanical data mtss003d january 1995 revised january 1998 1 post office box 655303 ? dallas, texas 75265 dgg (r-pdso-g**) plastic small-outline package 4040078 / f 12/97 48 pins shown 0,25 0,15 nom gage plane 6,00 6,20 8,30 7,90 0,75 0,50 seating plane 25 0,27 0,17 24 a 48 1 1,20 max m 0,08 0,10 0,50 0 8 56 14,10 13,90 48 dim a max a min pins ** 12,40 12,60 64 17,10 16,90 0,15 0,05 notes: a. all linear dimensions are in millimeters. b. this drawing is subject to change without notice. c. body dimensions do not include mold protrusion not to exceed 0,15. d. falls within jedec mo-153
important notice texas instruments incorporated and its subsidiaries (ti) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. all products are sold subject to ti?s terms and conditions of sale supplied at the time of order acknowledgment. ti warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with ti?s standard warranty. testing and other quality control techniques are used to the extent ti deems necessary to support this warranty. except where mandated by government requirements, testing of all parameters of each product is not necessarily performed. ti assumes no liability for applications assistance or customer product design. customers are responsible for their products and applications using ti components. to minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards. ti does not warrant or represent that any license, either express or implied, is granted under any ti patent right, copyright, mask work right, or other ti intellectual property right relating to any combination, machine, or process in which ti products or services are used. information published by ti regarding third?party products or services does not constitute a license from ti to use such products or services or a warranty or endorsement thereof. use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from ti under the patents or other intellectual property of ti. reproduction of information in ti data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. reproduction of this information with alteration is an unfair and deceptive business practice. ti is not responsible or liable for such altered documentation. resale of ti products or services with statements different from or beyond the parameters stated by ti for that product or service voids all express and any implied warranties for the associated ti product or service and is an unfair and deceptive business practice. ti is not responsible or liable for any such statements. mailing address: texas instruments post office box 655303 dallas, texas 75265 copyright ? 2002, texas instruments incorporated

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