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sn54ahct157, sn74ahct157 quadruple 2-line to 1-line data selectors/multiplexers scls347k ? may 1996 ? revised july 2003 1 post office box 655303 ? dallas, texas 75265 inputs are ttl-voltage compatible latch-up performance exceeds 250 ma per jesd 17 description/ordering information these quadruple 2-line to 1-line data selectors/multiplexers are designed for 4.5-v to 5.5-v v cc operation. the ?ahct157 devices feature a common strobe (g ) input. when the strobe is high, all outputs are low. when the strobe is low, a 4-bit word is selected from one of two sources and is routed to the four outputs. the devices provide true data. ordering information t a package ? orderable part number top-side marking pdip ? n tube sn74ahct157n sn74ahct157n soic ? d tube sn74ahct157d ahct157 soic ? d tape and reel sn74ahct157dr ahct157 ?40 cto85 c sop ? ns tape and reel sn74ahct157nsr ahct157 ? 40 c to 85 c ssop ? db tape and reel sn74ahct157dbr hb157 tssop pw tube sn74ahct157pw hb157 tssop ? pw tape and reel sn74ahct157pwr hb157 tvsop ? dgv tape and reel sn74ahct157dgvr hb157 cdip ? j tube SNJ54AHCT157J SNJ54AHCT157J ?55 c to 125 c cfp ? w tube snj54ahct157w snj54ahct157w lccc ? fk tube snj54ahct157k snj54ahct157fk ? package drawings, standard packing quantities, thermal data, symbolization, and pcb design guidelines are available at www.ti.com/sc/package. copyright ? 2003, texas instruments incorporated 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. 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. sn54ahct157 ...j or w p ackage sn74ahct157 . . . d, db, dgv, n, ns, or pw package (top view) 3212019 910111213 4 5 6 7 8 18 17 16 15 14 4a 4b nc 4y 3a 1b 1y nc 2a 2b sn54ahct157 . . . fk package (top view) 1a a/b nc 3y 3b v g 2y gnd nc cc 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 a /b 1a 1b 1y 2a 2b 2y gnd v cc g 4a 4b 4y 3a 3b 3y nc ? no internal connection
sn54ahct157, sn74ahct157 quadruple 2-line to 1-line data selectors/multiplexers scls347k ? may 1996 ? revised july 2003 2 post office box 655303 ? dallas, texas 75265 function table inputs output g a /b a b y h x x x l l llx l l lhx h l hxl l l h x h h logic diagram (positive logic) 2 3 5 6 11 10 14 13 15 1 g a /b 4b 4a 3b 3a 2b 2a 1b 1a 4 7 9 12 1y 2y 3y 4y pin numbers shown are for the d, db, dgv, j, n, ns, pw, and w packages.
sn54ahct157, sn74ahct157 quadruple 2-line to 1-line data selectors/multiplexers scls347k ? may 1996 ? revised july 2003 3 post office box 655303 ? dallas, texas 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) ? supply voltage range, v cc ? 0.5 v to 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input voltage range, v i (see note 1) ? 0.5 v to 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . output voltage range, v o (see note 1) ? 0.5 v to v cc + 0.5 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input clamp current, i ik (v i < 0) ? 20 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . output clamp current, i ok (v o < 0 or v o > v cc ) 20 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . continuous output current, i o (v o = 0 to v cc ) 25 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . continuous current through v cc or gnd 50 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . package thermal impedance, ja (see note 2): d package 73 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . db package 82 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . dgv package 120 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . n package 67 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ns package 64 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pw package 108 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 voltage ratings may be exceeded if the input and output current ratings are observed. 2. the package thermal impedance is calculated in accordance with jesd 51-7. recommended operating conditions (see note 3) sn54ahct157 sn74ahct157 unit min max min max unit v cc supply voltage 4.5 5.5 4.5 5.5 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 5.5 0 5.5 v v o output voltage 0 v cc 0 v cc v i oh high-level output current ? 8 ? 8 ma i ol low-level output current 8 8 ma ? t/ ? v input transition rise or fall time 20 20 ns/v t a operating free-air temperature ? 55 125 ? 40 85 c note 3: all unused 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.
sn54ahct157, sn74ahct157 quadruple 2-line to 1-line data selectors/multiplexers scls347k ? may 1996 ? revised july 2003 4 post office box 655303 ? dallas, texas 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) parameter test conditions v cc t a = 25 c sn54ahct157 sn74ahct157 unit parameter test conditions v cc min typ max min max min max unit v i oh = ? 50 a 45v 4.4 4.5 4.4 4.4 v v oh i oh = ? 8 ma 4 . 5 v 3.94 3.8 3.8 v v i ol = 50 a 45v 0.1 0.1 0.1 v v ol i ol = 8 ma 4 . 5 v 0.36 0.44 0.44 v i i v i = 5.5 v or gnd 0 v to 5.5 v 0.1 1* 1 a i cc v i = v cc or gnd, i o = 0 5.5 v 2 20 20 a ? i cc ? one input at 3.4 v, other inputs at v cc or gnd 5.5 v 1.35 1.5 1.5 a c i v i = v cc or gnd 5 v 2 10 10 pf * on products compliant to mil-prf-38535, this parameter is not production tested at v cc = 0 v. ? this is the increase in supply current for each input at one of the specified ttl voltage levels rather than 0 v or v cc . switching characteristics over recommended operating free-air temperature range, v cc = 5 v 0.5 v (unless otherwise noted) (see figure 1) parameter from to load t a = 25 c sn54ahct157 sn74ahct157 unit parameter (input) (output) capacitance min typ max min max min max unit t plh aorb y c l =15 p f 4.1** 6.4** 1** 7.5** 1 7.5 ns t phl a or b y c l = 15 pf 4.1** 6.4** 1** 7.5** 1 7.5 ns t plh a /b y c l =15 p f 5.3** 8.1** 1** 9.5** 1 9.5 ns t phl a/b y c l = 15 pf 5.3** 8.1** 1** 9.5** 1 9.5 ns t plh g y c l =15 p f 5.6** 8.6** 1** 10** 1 10 ns t phl g y c l = 15 pf 5.6** 8.6** 1** 10** 1 10 ns t plh aorb y c l =50 p f 5.6 8.7 1 10.8 1 9.8 ns t phl a or b y c l = 50 pf 5.6 8.7 1 10.8 1 9.8 ns t plh a /b y c l =50 p f 6.8 10.4 1 13.2 1 12 ns t plh a/b y c l = 50 pf 6.8 10.4 1 13.2 1 12 ns t plh g y c l =50 p f 7.1 11 1 13.5 1 12 ns t phl g y c l = 50 pf 7.1 11 1 13.5 1 12 ns ** on products compliant to mil-prf-38535, this parameter is not production tested. noise characteristics v cc = 5 v, c l = 50 pf, t a = 25 c (see note 4) parameter sn74ahct157 unit parameter min typ max unit v ol(p) quiet output, maximum dynamic v ol 0.4 0.8 v v ol(v) quiet output, minimum dynamic v ol ? 0.4 ? 0.8 v v oh(v) quiet output, minimum dynamic v oh 4.8 v v ih(d) high-level dynamic input voltage 2 v v il(d) low-level dynamic input voltage 0.8 v note 4: characteristics are for surface-mount packages only. 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.
sn54ahct157, sn74ahct157 quadruple 2-line to 1-line data selectors/multiplexers scls347k ? may 1996 ? revised july 2003 5 post office box 655303 ? dallas, texas 75265 operating characteristics, v cc = 5 v, t a = 25 c parameter test conditions typ unit c pd power dissipation capacitance no load, f = 1 mhz 11 pf parameter measurement information 50% v cc 3 v 3 v 0 v 0 v t h t su voltage waveforms setup and hold times data input t plh t phl t phl t plh v oh v oh v ol v ol 3 v 0 v 50% v cc 50% v cc input out-of-phase output in-phase output timing input 50% v cc voltage waveforms propagation delay times inverting and noninverting outputs output control output waveform 1 s1 at 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 50% v cc v ol + 0.3 v 50% v cc 0 v 3 v voltage waveforms enable and disable times low- and high-level enabling t plh /t phl t plz /t pzl t phz /t pzh open drain open v cc gnd v cc test s1 3 v 0 v t w voltage waveforms pulse duration input 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 1 mhz, z o = 50 ? , t r 3 ns, t f 3 ns. d. the outputs are measured one at a time with one input transition per measurement. e. all parameters and waveforms are not applicable to all devices. from output under test c l (see note a) load circuit for 3-state and open-drain outputs s1 v cc r l = 1 k ? gnd from output under test c l (see note a) test point load circuit for totem-pole outputs open v oh ? 0.3 v 1.5 v 1.5 v 1.5 v 1.5 v 1.5 v 1.5 v 1.5 v 1.5 v 1.5 v figure 1. load circuit and voltage waveforms
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. ti products are not authorized for use in safety-critical applications (such as life support) where a failure of the ti product would reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governing such use. buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of ti products in such safety-critical applications, notwithstanding any applications-related information or support that may be provided by ti. further, buyers must fully indemnify ti and its representatives against any damages arising out of the use of ti products in such safety-critical applications. ti products are neither designed nor intended for use in military/aerospace applications or environments unless the ti products are specifically designated by ti as military-grade or "enhanced plastic." only products designated by ti as military-grade meet military specifications. buyers acknowledge and agree that any such use of ti products which ti has not designated as military-grade is solely at the buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use. ti products are neither designed nor intended for use in automotive applications or environments unless the specific ti products are designated by ti as compliant with iso/ts 16949 requirements. buyers acknowledge and agree that, if they use any non-designated products in automotive applications, ti will not be responsible for any failure to meet such requirements. following are urls where you can obtain information on other texas instruments products and application solutions: products applications amplifiers amplifier.ti.com audio www.ti.com/audio data converters dataconverter.ti.com automotive www.ti.com/automotive dsp dsp.ti.com broadband www.ti.com/broadband interface interface.ti.com digital control www.ti.com/digitalcontrol logic logic.ti.com military www.ti.com/military power mgmt power.ti.com optical networking www.ti.com/opticalnetwork microcontrollers microcontroller.ti.com security www.ti.com/security low power www.ti.com/lpw telephony www.ti.com/telephony wireless video & imaging www.ti.com/video wireless www.ti.com/wireless mailing address: texas instruments, post office box 655303, dallas, texas 75265 copyright ? 2007, texas instruments incorporated
packaging information orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish msl peak temp (3) sn74ahct157d active soic d 16 40 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157dble obsolete ssop db 16 tbd call ti call ti sn74ahct157dbr active ssop db 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157dbre4 active ssop db 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157dbrg4 active ssop db 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157de4 active soic d 16 40 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157dg4 active soic d 16 40 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157dgvr active tvsop dgv 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157dgvre4 active tvsop dgv 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157dgvrg4 active tvsop dgv 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157dr active soic d 16 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157dre4 active soic d 16 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157drg4 active soic d 16 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157n active pdip n 16 25 pb-free (rohs) cu nipdau n / a for pkg type sn74ahct157ne4 active pdip n 16 25 pb-free (rohs) cu nipdau n / a for pkg type sn74ahct157nsr active so ns 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157nsre4 active so ns 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157nsrg4 active so ns 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157pw active tssop pw 16 90 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157pwe4 active tssop pw 16 90 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157pwg4 active tssop pw 16 90 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157pwle obsolete tssop pw 16 tbd call ti call ti sn74ahct157pwr active tssop pw 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157pwre4 active tssop pw 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74ahct157pwrg4 active tssop pw 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim package option addendum www.ti.com 4-jun-2007 addendum-page 1
(1) the marketing status values are defined as follows: active: product device recommended for new designs. lifebuy: ti has announced that the device will be discontinued, and a lifetime-buy period is in effect. nrnd: not recommended for new designs. device is in production to support existing customers, but ti does not recommend using this part in a new design. preview: device has been announced but is not in production. samples may or may not be available. obsolete: ti has discontinued the production of the device. (2) eco plan - the planned eco-friendly classification: pb-free (rohs), pb-free (rohs exempt), or green (rohs & no sb/br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. tbd: the pb-free/green conversion plan has not been defined. pb-free (rohs): ti's terms "lead-free" or "pb-free" mean semiconductor products that are compatible with the current rohs requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. where designed to be soldered at high temperatures, ti pb-free products are suitable for use in specified lead-free processes. pb-free (rohs exempt): this component has a rohs exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. the component is otherwise considered pb-free (rohs compatible) as defined above. green (rohs & no sb/br): ti defines "green" to mean pb-free (rohs compatible), and free of bromine (br) and antimony (sb) based flame retardants (br or sb do not exceed 0.1% by weight in homogeneous material) (3) msl, peak temp. -- the moisture sensitivity level rating according to the jedec industry standard classifications, and peak solder temperature. important information and disclaimer: the information provided on this page represents ti's knowledge and belief as of the date that it is provided. ti bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. efforts are underway to better integrate information from third parties. ti has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. ti and ti suppliers consider certain information to be proprietary, and thus cas numbers and other limited information may not be available for release. in no event shall ti's liability arising out of such information exceed the total purchase price of the ti part(s) at issue in this document sold by ti to customer on an annual basis. package option addendum www.ti.com 4-jun-2007 addendum-page 2
tape and reel box information device package pins site reel diameter (mm) reel width (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant sn74ahct157dbr db 16 site 41 330 16 8.2 6.6 2.5 12 16 q1 sn74ahct157dgvr dgv 16 site 41 330 12 6.8 4.0 1.6 8 16 q1 sn74ahct157dr d 16 site 27 330 16 6.5 10.3 2.1 8 16 q1 sn74ahct157nsr ns 16 site 41 330 16 8.2 10.5 2.5 12 16 q1 sn74ahct157pwr pw 16 site 41 330 12 7.0 5.6 1.6 8 12 q1 package materials information www.ti.com 4-oct-2007 pack materials-page 1
device package pins site length (mm) width (mm) height (mm) sn74ahct157dbr db 16 site 41 346.0 346.0 33.0 sn74ahct157dgvr dgv 16 site 41 346.0 346.0 29.0 sn74ahct157dr d 16 site 27 342.9 336.6 28.58 sn74ahct157nsr ns 16 site 41 346.0 346.0 33.0 sn74ahct157pwr pw 16 site 41 346.0 346.0 29.0 package materials information www.ti.com 4-oct-2007 pack materials-page 2

mechanical data mpds006c february 1996 revised august 2000 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 msso002e ? january 1995 ? revised december 2001 post office box 655303 ? dallas, texas 75265 db (r-pdso-g**) plastic small-outline 4040065 /e 12/01 28 pins shown gage plane 8,20 7,40 0,55 0,95 0,25 38 12,90 12,30 28 10,50 24 8,50 seating plane 9,90 7,90 30 10,50 9,90 0,38 5,60 5,00 15 0,22 14 a 28 1 20 16 6,50 6,50 14 0,05 min 5,90 5,90 dim a max a min pins ** 2,00 max 6,90 7,50 0,65 m 0,15 0 ? 8 0,10 0,09 0,25 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. d. falls within jedec mo-150
mechanical data mtss001c january 1995 revised february 1999 post office box 655303 ? dallas, texas 75265 pw (r-pdso-g**) plastic small-outline package 14 pins shown 0,65 m 0,10 0,10 0,25 0,50 0,75 0,15 nom gage plane 28 9,80 9,60 24 7,90 7,70 20 16 6,60 6,40 4040064/f 01/97 0,30 6,60 6,20 8 0,19 4,30 4,50 7 0,15 14 a 1 1,20 max 14 5,10 4,90 8 3,10 2,90 a max a min dim pins ** 0,05 4,90 5,10 seating plane 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. 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 ti 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. information of third parties may be subject to additional restrictions. 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. ti products are not authorized for use in safety-critical applications (such as life support) where a failure of the ti product would reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governing such use. buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of ti products in such safety-critical applications, notwithstanding any applications-related information or support that may be provided by ti. further, buyers must fully indemnify ti and its representatives against any damages arising out of the use of ti products in such safety-critical applications. ti products are neither designed nor intended for use in military/aerospace applications or environments unless the ti products are specifically designated by ti as military-grade or "enhanced plastic." only products designated by ti as military-grade meet military specifications. buyers acknowledge and agree that any such use of ti products which ti has not designated as military-grade is solely at the buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use. ti products are neither designed nor intended for use in automotive applications or environments unless the specific ti products are designated by ti as compliant with iso/ts 16949 requirements. buyers acknowledge and agree that, if they use any non-designated products in automotive applications, ti will not be responsible for any failure to meet such requirements. following are urls where you can obtain information on other texas instruments products and application solutions: products applications amplifiers amplifier.ti.com audio www.ti.com/audio data converters dataconverter.ti.com automotive www.ti.com/automotive dsp dsp.ti.com broadband www.ti.com/broadband interface interface.ti.com digital control www.ti.com/digitalcontrol logic logic.ti.com military www.ti.com/military power mgmt power.ti.com optical networking www.ti.com/opticalnetwork microcontrollers microcontroller.ti.com security www.ti.com/security rfid www.ti-rfid.com telephony www.ti.com/telephony low power www.ti.com/lpw video & imaging www.ti.com/video wireless wireless www.ti.com/wireless mailing address: texas instruments, post office box 655303, dallas, texas 75265 copyright ? 2007, texas instruments incorporated

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