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features description to ensure the high-impedance state during power up or power down, oe should be tied to v cc through a pullup sn54abt16244, sn74abt16244a 16-bit buffers/drivers with 3-state outputs scbs073h ? september 1991 ? revised august 2005 members of the texas instruments widebus? family state-of-the-art epic-iib? bicmos design significantly reduces power dissipation latch-up performance exceeds 500 ma per jesd 70 typical v olp (output ground bounce) <1 v at v cc = 5 v, t a = 25 c distributed v cc and gnd pin configuration minimizes high-speed switching noise flow-through architecture optimizes pcb layout high-drive outputs (?32-ma i oh , 64-ma i ol ) package options include plastic 300-mil shrink small-outline (dl), thin shrink small-outline (dgg), and thin very small-outline (dgv) packages and 380-mil fine-pitch ceramic flat (wd) package using 25-mil center-to-center spacings the sn54abt16244 and sn74abt16244a 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 true outputs and symmetrical oe (active-low output-enable) inputs. resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. the sn54abt16244 is characterized for operation over the full military temperature range of ?55 c to 125 c. the sn74abt16244a is characterized for operation from ?40 c to 85 c. function table (each buffer) inputs output y oe a l h h l l l h x z 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, epic-iib are trademarks of texas instruments. production data information is current as of publication date. copyright ? 1991?2005, texas instruments incorporated products conform to specifications per the terms of the texas on products compliant to mil-prf-38535, all parameters are instruments standard warranty. production processing does not tested unless otherwise noted. on all other products, production necessarily include testing of all parameters. processing does not necessarily include testing of all parameters. www .ti.com sn54abt16244 . . . wd p ackage sn74abt16244a . . . dgg, dgv , or dl p ackage (t op view) 12 3 4 5 6 7 8 9 10 1 1 1213 14 15 16 17 18 19 20 21 22 23 24 4847 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1oe 1y11y2 gnd 1y31y4 v c c 2y12y2 gnd 2y32y4 3y1 3y2 gnd 3y33y4 v c c 4y14y2 gnd 4y34y4 4oe 2oe 1a11a2 gnd 1a3 1a4 v c c 2a12a2 gnd 2a3 2a4 3a1 3a2 gnd 3a3 3a4 v c c 4a14a2 gnd 4a3 4a4 3oe
sn54abt16244, sn74abt16244a 16-bit buffers/drivers with 3-state outputs scbs073h ? september 1991 ? revised august 2005 logic symbol (1) 2 www .ti.com 47 1a1 46 1a2 44 1a3 43 1a4 1y1 2 1y2 3 1y3 5 1y4 6 41 2a1 40 2a2 38 2a3 37 2a4 2y1 8 2y2 9 2y3 1 1 2y4 12 36 3a1 35 3a2 33 3a3 32 3a4 3y1 13 3y2 14 3y3 16 3y4 17 30 4a1 29 4a2 27 4a3 26 4a4 4y1 19 4y2 20 4y3 22 4y4 23 en1 1 en4 24 1oe 2oe 3oe 4oe en2 48 en3 25 (1) this symbol is in accordance with ansi/ieee std 91-1984 and iec publication 617-12. 11 1 1 12 3 4
absolute maximum ratings (1) sn54abt16244, sn74abt16244a 16-bit buffers/drivers with 3-state outputs scbs073h ? september 1991 ? revised august 2005 logic diagram (positive logic) over operating free-air temperature range (unless otherwise noted) min max unit v cc supply voltage range ?0.5 7 v v i input voltage range (2) ?0.5 7 v v o voltage range applied to any output in the high or power-off state ?0.5 5.5 v sn54abt16244 96 i o current into any output in the low state ma sn74abt16244a 128 i ik input clamp current v i < 0 ?18 ma i ok output clamp current v o < 0 ?50 ma dgg package 89 q ja package thermal impedance (3) dgv package 93 c/w dl package 94 t stg storage temperature range ?65 150 c (1) 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 (2) the input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed. (3) the package thermal impedance is calculated in accordance with eia/jedec std jesd 51. 3 www .ti.com 1oe 1a11a2 1a3 1a4 1y11y2 1y3 1y4 147 46 44 43 23 5 6 2oe 2a12a2 2a3 2a4 2y12y2 2y3 2y4 4841 40 38 37 89 1 1 12 3oe 3a13a2 3a3 3a4 3y13y2 3y3 3y4 2536 35 33 32 1314 16 17 4oe 4a14a2 4a3 4a4 4y14y2 4y3 4y4 2430 29 27 26 1920 22 23
recommended operating conditions (1) electrical characteristics sn54abt16244, sn74abt16244a 16-bit buffers/drivers with 3-state outputs scbs073h ? september 1991 ? revised august 2005 sn54abt16244 sn74abt16244a unit min max min max 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 ?24 ?32 ma i ol low-level output current 48 64 ma d t/ d v input transition rise or fall rate outputs enabled 10 10 ns/v t a operating free-air temperature ?55 125 ?40 85 c (1) 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. over recommended operating free-air temperature range (unless otherwise noted) t a = 25 c (1) sn54abt16244 sn74abt16244a parameter test conditions unit min typ (2) max min max min max 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 = ?3 ma 2.5 2.5 2.5 v cc = 5 v, i oh = ?3 ma 3 3 3 v oh v i oh = ?24 ma 2 2 v cc = 4.5 v i oh = ?32 ma 2 (3) 2 i ol = 48 ma 0.55 0.55 v ol v cc = 4.5 v v i ol = 64 ma 0.55 (3) 0.55 v hys 100 mv i i v cc = 5.5 v, v i = v cc or gnd 1 1 1 m a i ozh v cc = 5.5 v, v o = 2.7 v 10 (4) 10 10 (4) m a i ozl v cc = 5.5 v, v o = 0.5 v ?10 (4) ?10 ?10 (4) m a i off v cc = 0, v i or v o 5.5 v 100 100 m a v cc = 5.5 v, i cex outputs high 50 50 50 m a v o = 5.5 v i o (5) v cc = 5.5 v, v o = 2.5 v ?50 ?100 ?180 ?50 ?180 ?50 ?180 ma outputs high 3 2 3 v cc = 5.5 v, i cc i o = 0, outputs low 32 32 32 ma v i = v cc or gnd outputs disabled 3 2 3 v cc = 5.5 v, outputs enabled 0.05 1.5 0.05 data one input at 3.4 v, inputs other inputs at outputs disabled 0.05 1 0.05 d i cc (6) ma v cc or gnd control v cc = 5.5 v, one input at 3.4 v, 0.05 1.5 0.05 inputs other inputs at v cc or gnd c i v i = 2.5 v or 0.5 v 3 pf c o v o = 2.5 v or 0.5 v 6 pf (1) characteristics for t a = 25 c apply to the sn74abt16244a only. (2) all typical values are at v cc = 5 v. (3) on products compliant to mil-prf-38535, this parameter does not apply. (4) this data-sheet limit may vary among suppliers. (5) not more than one output should be tested at a time, and the duration of the test should not exceed one second. (6) this is the increase in supply current for each input that is at the specified ttl voltage level rather than v cc or gnd. 4 www .ti.com
switching characteristics switching characteristics sn54abt16244, sn74abt16244a 16-bit buffers/drivers with 3-state outputs scbs073h ? september 1991 ? revised august 2005 over recommended ranges of supply voltage and operating free-air temperature, c l = 50 pf (unless otherwise noted) (see figure 1 ) sn54abt16244 from to v cc = 5 v, parameter unit (input) (output) t a = 25 c min max min typ max t plh 0.7 2.3 3.2 0.7 3.6 a y ns t phl 0.5 2.6 3.7 0.5 4.2 t pzh 0.7 3 4 0.7 4.9 oe y ns t pzl 0.9 3.2 5.5 0.9 6.5 t phz 1.7 3.6 5 1.7 6 oe y ns t plz 1.5 2.9 4.7 1.5 5.7 over recommended ranges of supply voltage and operating free-air temperature, c l = 50 pf (unless otherwise noted) (see figure 1 ) sn74abt16244a from to v cc = 5 v, parameter unit (input) (output) t a = 25 c min max min typ max t plh 1 2.3 3.2 1 3.5 a or b y ns t phl 1 2.6 3.7 1 4.1 t pzh 1 3 3.8 1 4.8 oe y ns t pzl 1 3.2 4 1 4.8 t phz 1 3.6 4.4 1 4.8 oe y ns t plz 1 2.9 3.7 1 4.1 5 www .ti.com
parameter measurement information sn54abt16244, sn74abt16244a 16-bit buffers/drivers with 3-state outputs scbs073h ? september 1991 ? revised august 2005 figure 1. load circuit and voltage waveforms 6 www .ti.com 1.5 v t h t s u from output under t est c l = 50 pf (see note a) load circuit s1 7 v open gnd 500 w 500 w data input t iming input 1.5 v 3 v0 v 1.5 v 1.5 v 3 v0 v 3 v0 v 1.5 v t w input vol t age w a veforms setup and hold times vol t age w a veforms prop aga tion dela y times inverting and noninverting outputs vol t age w a veforms pulse dura tion t p l h t p h l t p h l t p l h v o h v o h v o l v o l 1.5 v 1.5 v 3 v0 v 1.5 v 1.5 v input 1.5 v output control output w aveform 1 s1 at 7 v (see note b) output w aveform 2 s1 at open (see note b) v o l v o h t p z l t p z h t p l z t p h z 1.5 v 1.5 v 3.5 v 0 v 1.5 v v o l + 0.3 v 1.5 v v o h ? 0.3 v 0 v 3 v vol t age w a veforms enable and disable times low - and high-level enabling outputoutput t p l h /t p h l t p l z /t p z l t p h z /t p z h open 7 v open test s1 notes: a. c l includes probe and jig capacitance. b. w aveform 1 is for an output with internal conditions such that the output is low , except when disabled by the output control. w aveform 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 w , t r 2.5 ns, t f 2.5 ns. d. the outputs are measured one at a time, with one transition per measurement. 1.5 v
packaging information orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish msl peak temp (3) 5962-9317401mxa active cfp wd 48 1 tbd call ti level-nc-nc-nc 74abt16244adggrg4 active tssop dgg 48 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 74abt16244adgvre4 active tvsop dgv 48 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74abt16244adggr active tssop dgg 48 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74abt16244adgvr active tvsop dgv 48 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74abt16244adl active ssop dl 48 25 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74abt16244adlg4 active ssop dl 48 25 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74abt16244adlr active ssop dl 48 1000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74abt16244adlrg4 active ssop dl 48 1000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim SNJ54ABT16244WD active cfp wd 48 1 tbd call ti level-nc-nc-nc (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) 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. 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 26-sep-2005 addendum-page 1
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 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 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 ? 2005, texas instruments incorporated

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