scds018o ? may 1995 ? revised january 2004 1 post office box 655303 ? dallas, texas 75265 ttl-compatible input levels 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1oe s1 1b4 1b3 1b2 1b1 1a gnd v cc 2oe s0 2b4 2b3 2b2 2b1 2a d, db, dbq, or pw package (top view) rgy package (top view) 116 89 2 3 4 5 6 7 15 14 13 12 11 10 2oe s0 2b4 2b3 2b2 2b1 s1 1b4 1b3 1b2 1b1 1a 1oe 2a v gnd cc description/ordering information the sn74cbt3253 is a dual 1-of-4 high-speed ttl-compatible fet multiplexer/demultiplexer. the low on-state resistance of the switch allows connections to be made with minimal propagation delay. 1oe , 2oe , s0, and s1 select the appropriate b output for the a-input data. ordering information t a package ? orderable part number top-side marking qfn ? rgy tape and reel sn74cbt3253rgyr cu253 soic ? d tube sn74cbt3253d cbt3253 soic ? d tape and reel sn74cbt3253dr cbt3253 ?40 c to 85 c ssop ? db tape and reel sn74cbt3253dbr cu253 ?40 c to 85 c ssop (qsop) ? dbq tape and reel sn74cbt3253dbqr cu253 tssop ? pw tube sn74cbt3253pw cu253 tssop ? pw tape and reel sn74cbt3253pwr cu253 ? package drawings, standard packing quantities, thermal data, symbolization, and pcb design guidelines are available at www.ti.com/sc/package. function table inputs function 1oe 2oe s1 s0 function x h x x disconnect 1a and 2a h x x x disconnect 1a and 2a l l l l 1a to 1b1 and 2a to 2b1 l l l h 1a to 1b2 and 2a to 2b2 l l h l 1a to 1b3 and 2a to 2b3 l l h h 1a to 1b4 and 2a to 2b4 copyright ? 2004, texas instruments incorporated please be aware that an important notice concerning avail ability, standard warranty, and use in critical applications of texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
scds018o ? may 1995 ? revised january 2004 2 post office box 655303 ? dallas, texas 75265 logic diagram (positive logic) 2b1 1b1 2a 1a s0 s1 1oe 2oe 1b2 1b3 1b4 2b2 2b3 2b4 7 9 14 2 1 15 6 5 4 3 10 11 12 13 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . continuous channel current 128 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input clamp current, i k (v i/o < 0) ?50 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . package thermal impedance, ja (see note 2): d package 73 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see note 2): db package 82 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see note 2): dbq package 90 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see note 2): pw package 108 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see note 3): rgy package 39 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, a nd functional operation of the device at these or any other conditions beyond those indicated under ?recommended operating conditi ons? 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. 3. the package thermal impedance is calculated in accordance with jesd 51-5.
scds018o ? may 1995 ? revised january 2004 3 post office box 655303 ? dallas, texas 75265 recommended operating conditions (see note 4) min max unit v cc supply voltage 4 5.5 v v ih high-level control input voltage 2 v v il low-level control input voltage 0.8 v t a operating free-air temperature ?40 85 c note 4: 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. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) parameter test conditions min typ ? max unit v ik v cc = 4.5 v, i i = ?18 ma ?1.2 v i i v cc = 5 v, v i = 5.5 v or gnd 1 a i cc v cc = 5.5 v, i o = 0, v i = v cc or gnd 3 a ? i cc ? control inputs v cc = 5.5 v, one input at 3.4 v, other inputs at v cc or gnd 2.5 ma c i control inputs v i = 3 v or 0 3.5 pf c io(off) a port v o = 3 v or 0, oe = v cc 10 pf c io(off) b port v o = 3 v or 0, oe = v cc 4 pf v i = 0 i i = 64 ma 5 7 r on v cc = 4.5 v v i = 0 i i = 30 ma 5 7 ? r on v cc = 4.5 v v i = 2.4 v, i i = 15 ma 10 15 ? c. ? this is the increase in supply current for each input that is at the specified ttl voltage level, rather than v cc or gnd. measured by the voltage drop between the a and the b terminals at the indicated current through the switch. on-state resistance is determi ned by the lower voltage of the two (a or b) terminals. switching characteristics over recommended operating free-air temperature range, c l = 50 pf (unless otherwise noted) (see figure 1) parameter from (input) to (output) v cc = 4 v v cc = 5 v 0.5 v unit parameter (input) (output) min max min max unit t pd ? a or b b or a 0.35 0.25 ns t pd s a or b 6.6 1.6 6.2 ns t en s a or b 7.1 1.3 6.3 ns t en oe a or b 7.3 1.4 6.4 ns t dis s a or b 7.9 1.1 7.4 ns t dis oe a or b 7.3 2.3 7 ns ? the propagation delay is the calculated rc time constant of the typical on-state resistance of the switch and the specified loa d capacitance, when driven by an ideal voltage source (zero output impedance).
scds018o ? may 1995 ? revised january 2004 4 post office box 655303 ? dallas, texas 75265 parameter measurement information from output under test c l = 50 pf (see note a) load circuit s1 7 v open gnd 500 ? 500 ? test t pd t plz /t pzl t phz /t pzh s1 open 7 v open t plh t phl output control (low-level enabling) output waveform 1 s1 at 7 v (see note b) output waveform 2 s1 at open (see note b) v ol v oh t pzl t pzh t plz t phz 3 v 0 v v oh v ol 0 v v ol + 0.3 v v oh ? 0.3 v 0 v input 3 v 3.5 v voltage waveforms propagation delay times voltage waveforms enable and disable times output 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 2.5 ns, t f 2.5 ns . d. the outputs are measured one at a time with one transition per measurement. e. t plz and t phz are the same as t dis . f. t pzl and t pzh are the same as t en . g. t phl and t plh are the same as t pd . h. all parameters and waveforms are not applicable to all devices. 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
packaging information orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish msl peak temp (3) sn74cbt3253d active soic d 16 40 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74cbt3253dble obsolete ssop db 16 tbd call ti call ti sn74cbt3253dbqr active ssop/ qsop dbq 16 2500 green (rohs & no sb/br) cu nipdau level-2-260c-1year sn74cbt3253dbqre4 active ssop/ qsop dbq 16 2500 green (rohs & no sb/br) cu nipdau level-2-260c-1year sn74cbt3253dbqrg4 active ssop/ qsop dbq 16 2500 green (rohs & no sb/br) cu nipdau level-2-260c-1year sn74cbt3253dbr active ssop db 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74cbt3253dbre4 active ssop db 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74cbt3253de4 active soic d 16 40 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74cbt3253dr active soic d 16 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74cbt3253dre4 active soic d 16 2500 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74cbt3253pw active tssop pw 16 90 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74cbt3253pwe4 active tssop pw 16 90 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74cbt3253pwg4 active tssop pw 16 90 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74cbt3253pwle obsolete tssop pw 16 tbd call ti call ti sn74cbt3253pwr active tssop pw 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74cbt3253pwre4 active tssop pw 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim SN74CBT3253PWRG4 active tssop pw 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74cbt3253rgyr active qfn rgy 16 1000 green (rohs & no sb/br) cu nipdau level-2-260c-1year sn74cbt3253rgyrg4 active qfn rgy 16 1000 green (rohs & no sb/br) cu nipdau level-2-260c-1year (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 option addendum www.ti.com 18-jul-2006 addendum-page 1
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 18-jul-2006 addendum-page 2
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 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. 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 wireless www.ti.com/lpw telephony www.ti.com/telephony video & imaging www.ti.com/video wireless www.ti.com/wireless mailing address: texas instruments post office box 655303 dallas, texas 75265 copyright ? 2006, texas instruments incorporated
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