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scbs238e ? june 1992 ? revised june 2004 1 post office box 655303 ? dallas, texas 75265 members of the texas instruments widebus family output ports have equivalent 25- ? series resistors, so no external resistors are required typical v olp (output ground bounce) <1 v at v cc = 5 v, t a = 25 c high-impedance state during power up and power down i off and power-up 3-state support hot insertion distributed v cc and gnd pins minimize high-speed switching noise flow-through architecture optimizes pcb layout latch-up performance exceeds 500 ma per jesd-17 description/ordering information the ?abt162244 devices are 16-bit buffers and line drivers designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. these devices can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer. these devices provide noninverting outputs and symmetrical active-low output-enable (oe ) inputs. the outputs, which are designed to source or sink up to 12 ma, include equivalent 25- ? series resistors to reduce overshoot and undershoot. to ensure the high-impedance state during power up or power down, 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. ordering information t a package ? orderable part number top-side marking ssop ? dl tube sn74abt162244dl abt162244 ?40 c to 85 c ssop ? dl tape and reel sn74abt162244dlr abt162244 ?40 c to 85 c tssop ? dgg tape and reel sn74abt162244dggr abt162244 tvsop ? dgv tape and reel sn74abt162244dgvr ah2244 ?55 c to 125 c cfp ? wd tube snj54abt162244wd snj54abt162244wd ? package drawings, standard packing quantities, thermal data, symbolization, and pcb design guidelines are available at www.ti.com/sc/package. copyright ? 2004, texas instruments incorporated widebus is a trademark of texas instruments. 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. sn54abt162244 . . . wd package sn74abt162244 . . . 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 1oe 1y1 1y2 gnd 1y3 1y4 v cc 2y1 2y2 gnd 2y3 2y4 3y1 3y2 gnd 3y3 3y4 v cc 4y1 4y2 gnd 4y3 4y4 4oe 2oe 1a1 1a2 gnd 1a3 1a4 v cc 2a1 2a2 gnd 2a3 2a4 3a1 3a2 gnd 3a3 3a4 v cc 4a1 4a2 gnd 4a3 4a4 3oe
scbs238e ? june 1992 ? revised june 2004 2 post office box 655303 ? dallas, texas 75265 description/ordering information (continued) 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 devices when they are 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. function table (each 4-bit buffer) inputs output oe a output y l h h l ll h x z logic diagram (positive logic) 1oe 1a1 1a2 1a3 1a4 1y1 1y2 1y3 1y4 1 47 46 44 43 2 3 5 6 2oe 2a1 2a2 2a3 2a4 2y1 2y2 2y3 2y4 48 41 40 38 37 8 9 11 12 3oe 3a1 3a2 3a3 3a4 3y1 3y2 3y3 3y4 25 36 35 33 32 13 14 16 17 4oe 4a1 4a2 4a3 4a4 4y1 4y2 4y3 4y4 24 30 29 27 26 19 20 22 23
scbs238e ? june 1992 ? revised june 2004 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . voltage range applied to any output in the high or power-off state, v o ?0.5 v to 5.5 v . . . . . . . . . . . . . . . . . . . current into any output in the low state, i o 30 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input clamp current, i ik (v i < 0) ?18 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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. recommended operating conditions (see note 3) sn54abt162244 sn74abt162244 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 v cc 0 v cc v i oh high-level output current ?3 ?12 ma i ol low-level output current 8 12 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 notes: 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.
scbs238e ? june 1992 ? revised june 2004 4 post office box 655303 ? dallas, texas 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) parameter test conditions t a = 25 c sn54abt162244 sn74abt162244 unit parameter test conditions min typ ? max min max min max unit v ik v cc = 4.5 v, i i = ?18 ma ?1.2 ?1.2 ?1.2 v v cc = 4.5 v, i oh = ?1 ma 3.35 3.35 3.35 v oh v cc = 5 v, i oh = ?1 ma 3.85 3.85 3.85 v v oh v cc = 4.5 v i oh = ?3 ma 3.1 3.1 3.1 v v cc = 4.5 v i oh = ?12 ma 2.6* 2.6 v ol v cc = 4.5 v i ol = 8 ma 0.4 0.8 0.65 v v ol v cc = 4.5 v i ol = 12 ma 0.8* 0.8 v v hys 100 mv i i v cc = 0 to 5.5 v, v i = v cc or gnd 1 1 1 a i ozpu v cc = 0 to 2.1 v, v o = 0.5 v to 2.7 v, oe = x 50 50 50 a i ozpd v cc = 2.1 v to 0, v o = 0.5 v to 2.7 v, oe = x 50 50 50 a i ozh v cc = 2.1 v to 5.5 v, v o = 2.7 v, oe 2 v 10 10 10 a i ozl v cc = 2.1 v to 5.5 v, v o = 0.5 v, oe 2 v ?10 ?10 ?10 a i off v cc = 0, v i or v o 4.5 v 100 100 a i cex v cc = 5.5 v, v o = 5.5 v outputs high 50 50 50 a i o v cc = 5.5 v, v o = 2.5 v ?25 ?55 ?100 ?25 ?100 ?25 ?100 ma v cc = 5.5 v, outputs high 2 2 2 i cc ? v cc = 5.5 v, i o = 0, v = v or gnd outputs low 30 30 30 ma i cc ? i o = 0, v i = v cc or gnd outputs disabled 2 2 2 ma data inputs v cc = 5.5 v, one input at 3.4 v, outputs enabled 50 50 50 ? i cc data inputs one input at 3.4 v, other inputs at v cc or gnd outputs disabled 50 50 50 a cc control inputs v cc = 5.5 v, one input at 3.4 v, other inputs at v cc or gnd 50 50 50 c i v i = 2.5 v or 0.5 v 3 pf c o v o = 2.5 v or 0.5 v 8 pf * on products compliant to mil-prf-38535, this parameter does not apply. ? all typical values are at v cc = 5 v. ? not more than one output should be tested at a time, and the duration of the test should not exceed one second. this is the increase in supply current for each input that is at the specified ttl voltage level, rather than v cc or gnd.
scbs238e ? june 1992 ? revised june 2004 5 post office box 655303 ? dallas, texas 75265 switching characteristics over recommended ranges of supply voltage and operating free-air temperature, c l = 50 pf (unless otherwise noted) (see figure 1) sn54abt162244 parameter from (input) to (output) v cc = 5 v, t a = 25 c min max unit (input) (output) min typ max min max t plh a y 1 2.5 3.6 1 4.1 ns t phl a y 1 3.1 4.7 1 5.3 ns t pzh oe y 1 3.2 4.8 1 5.6 ns t pzl oe y 1 3.2 4.7 1 5.5 ns t phz oe y 1 3.2 5.3 1 6.3 ns t plz oe y 1 3.1 4.6 1 4.9 ns switching characteristics over recommended ranges of supply voltage and operating free-air temperature, c l = 50 pf (unless otherwise noted) (see figure 1) sn74abt162244 parameter from (input) to (output) v cc = 5 v, t a = 25 c min max unit (input) (output) min typ max min max t plh a y 1 2.5 3.2 1 3.9 ns t phl a y 1 3.1 4 1 4.8 ns t pzh oe y 1 3.2 4.2 1 5.4 ns t pzl oe y 1 3.2 4.1 1 5.1 ns t phz oe y 1 3.2 4 1 4.6 ns t plz oe y 1 3.1 3.9 1 4.5 ns
scbs238e ? june 1992 ? revised june 2004 6 post office box 655303 ? dallas, texas 75265 parameter measurement information 1.5 v t h t su from output under test c l = 50 pf (see note a) load circuit s1 7 v open gnd 500 ? 500 ? data input timing input 1.5 v 3 v 0 v 1.5 v 1.5 v 3 v 0 v 3 v 0 v 1.5 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 1.5 v 1.5 v 3 v 0 v 1.5 v 1.5 v input 1.5 v output control 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 1.5 v 1.5 v 3.5 v 0 v 1.5 v v ol + 0.3 v 1.5 v v oh ? 0.3 v 0 v 3 v 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 7 v open 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 2.5 ns, t f 2.5 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. 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) 5962-9458701qxa active cfp wd 48 1 tbd a42 snpb n / a for pkg type 74abt162244dggre4 active tssop dgg 48 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 74abt162244dgvre4 active tvsop dgv 48 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 74abt162244dgvrg4 active tvsop dgv 48 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 74abt162244dlrg4 active ssop dl 48 1000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74abt162244dggr active tssop dgg 48 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74abt162244dgvr active tvsop dgv 48 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74abt162244dl active ssop dl 48 25 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74abt162244dlg4 active ssop dl 48 25 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74abt162244dlr active ssop dl 48 1000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim snj54abt162244wd active cfp wd 48 1 tbd a42 snpb n / a for pkg type (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 6-aug-2007 addendum-page 1
tape and reel information package materials information www.ti.com 16-jul-2007 pack materials-page 1
device package pins site reel diameter (mm) reel width (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant sn74abt162244dggr dgg 48 mla 330 24 8.6 15.8 1.8 12 24 q1 sn74abt162244dgvr dgv 48 mla 330 24 6.8 10.1 1.6 12 24 q1 sn74abt162244dlr dl 48 mla 330 32 11.35 16.2 3.1 16 32 q1 tape and reel box information device package pins site length (mm) width (mm) height (mm) sn74abt162244dggr dgg 48 mla 333.2 333.2 31.75 sn74abt162244dgvr dgv 48 mla 333.2 333.2 31.75 sn74abt162244dlr dl 48 mla 346.0 346.0 49.0 package materials information www.ti.com 16-jul-2007 pack materials-page 2
package materials information www.ti.com 16-jul-2007 pack materials-page 3
mechanical data mcfp010b january 1995 revised november 1997 post office box 655303 ? dallas, texas 75265 wd (r-gdfp-f**) ceramic dual flatpack 4040176 / d 10/97 48 leads shown 48 48 25 56 0.610 (18,80) 0.710 (18,03) 0.740 0.640 0.390 (9,91) 0.370 (9,40) 0.870 (22,10) 1.130 (28,70) 1 a 0.120 (3,05) 0.075 (1,91) leads** 24 no. of a min a max (16,26) (15,49) 0.025 (0,635) 0.009 (0,23) 0.004 (0,10) 0.370 (9,40) 0.250 (6,35) 0.370 (9,40) 0.250 (6,35) 0.014 (0,36) 0.008 (0,20) notes: a. all linear dimensions are in inches (millimeters). b. this drawing is subject to change without notice. c. this package can be hermetically sealed with a ceramic lid using glass frit. d. index point is provided on cap for terminal identification only e. falls within mil std 1835: gdfp1-f48 and jedec mo -146aa gdfp1-f56 and jedec mo -146ab
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 msso001c ? january 1995 ? revised december 2001 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 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 ti information in ti data books or data sheets is permissible only if reproduction is without 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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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