am26ls32ac, am26ls32ai, am26LS33AC, am26ls32am, am26ls33am quadruple differential line receivers slls115d ? october 1980 ? revised march 2002 1 post office box 655303 ? dallas, texas 75265 am26ls32a devices meet or exceed the requirements of ansi tia/eia-422-b, tia/eia-423-b, and itu recommendations v.10 and v.11 am26ls32a devices have 7-v common-mode range with 200-mv sensitivity am26ls33a devices have 15-v common-mode range with 500-mv sensitivity input hysteresis . . . 50 mv typical operate from a single 5-v supply low-power schottky circuitry 3-state outputs complementary output-enable inputs input impedance . . . 12 k ? min designed to be interchangeable with advanced micro devices am26ls32 ? and am26ls33 ? description the am26ls32a and am26ls33a devices are quadruple differential line receivers for balanced and unbalanced digital data transmission. the enable function is common to all four receivers and offers a choice of active-high or active-low input. the 3-state outputs permit connection directly to a bus-organized system. fail-safe design ensures that, if the inputs are open, the outputs always are high. compared to the am26ls32 and the am26ls33, the am26ls32a and am26ls33a incorporate an additional stage of amplification to improve sensitivity. the input impedance has been increased, resulting in less loading of the bus line. the additional stage has increased propagation delay; however, this does not affect interchangeability in most applications. the am26ls32ac and am26LS33AC are characterized for operation from 0 c to 70 c. the am26ls32ai is characterized for operation from ?40 c to 85 c. the am26ls32am and am26ls33am are characterized for operation over the full military temperature range of ?55 c to 125 c. copyright ? 2002, texas instruments incorporated production data information is 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. am26ls32 and am26ls33 are trademarks of advanced micro devices, inc. 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1b 1a 1y g 2y 2a 2b gnd v cc 4b 4a 4y g 3y 3a 3b am26ls32ac . . . d, n, or ns package am26ls32ai, am26LS33AC ...d or n p ackage am26ls32am, am26ls33am ...j p ackage (top view) 3212019 910111213 4 5 6 7 8 18 17 16 15 14 4a 4y nc g 3y 1y g nc 2y 2a am26ls32am, am26ls33am . . . fk package (top view) 1a 1b nc 3b 3a 4b 2b gnd nc v cc nc ? no internal connection
am26ls32ac, am26ls32ai, am26LS33AC, am26ls32am, am26ls33am quadruple differential line receivers slls115d ? october 1980 ? revised march 2002 2 post office box 655303 ? dallas, texas 75265 function table (each receiver) differential enables output a ? b g g y v id v it h x h v id v id v it h x ? v it ? v it h x l v id ? x ll x l h z o p en h x h open x l h h = high level, l = low level, ? = indeterminate, x = irrelevant, z = high impedance (off) logic diagram (positive logic) 4 12 2 1 3 6 7 5 10 9 11 14 15 13 g g 1a 1b 2a 2b 3a 3b 4a 4b 1y 2y 3y 4y
am26ls32ac, am26ls32ai, am26LS33AC, am26ls32am, am26ls33am quadruple differential line receivers slls115d ? october 1980 ? revised march 2002 3 post office box 655303 ? dallas, texas 75265 schematics of inputs and outputs equivalent of each differential input v cc input equivalent of each enable input output 85 ? nom typical of all outputs 8.3 k ? nom enable 20 k ? nom 960 ? nom 960 ? nom 100 k ? a input only v cc 100 k ? b input only v cc absolute maximum ratings over operating free-air temperature range (unless otherwise noted) ? supply voltage, v cc (see note 1) 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input voltage, v i : any differential input 25 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . other inputs 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . differential input voltage, v id (see note 2) 25 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . continuous total power dissipation see dissipation rating table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . package thermal impedance, ja (see note 3): d package 73 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . n package 67 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ns package 64 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . case temperature for 60 seconds, t c : fk package 260 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: d or n package 260 c . . . . . . . . . . . . . . . . lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: j package 300 c . . . . . . . . . . . . . . . . . . . . . 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. all voltage values, except differential voltages, are with respect to the network ground terminal. 2. differential voltage values are at the noninverting (a) input terminals with respect to the inverting (b) input terminals. 3. the package thermal impedance is calculated in accordance with jesd 51-7. dissipation rating table package t a 25 c power rating derating factor above t a = 25 c t a = 70 c power rating t a = 125 c power rating fk 1375 mw 11.0 mw/ c 880 mw 275 mw j 1375 mw 11.0 mw/ c 880 mw 275 mw
am26ls32ac, am26ls32ai, am26LS33AC, am26ls32am, am26ls33am quadruple differential line receivers slls115d ? october 1980 ? revised march 2002 4 post office box 655303 ? dallas, texas 75265 recommended operating conditions min nom max unit v cc su pp ly voltage am26ls32ac, am26ls32ai, am26LS33AC 4.75 5 5.25 v v cc supply voltage am26ls32am, am26ls33am 4.5 5 5.5 v v ih high-level input voltage 2 v v il low-level input voltage 0.8 v v ic common mode in p ut voltage am26ls32a 7 v v ic common - mode input voltage am26ls33a 15 v i oh high-level output current ? 440 a i ol low-level output current 8 ma am26ls32ac, am26LS33AC 0 70 t a operating free-air temperature am26ls32ai ? 40 85 c am26ls32am, am26ls33am ? 55 125 electrical characteristics over recommended ranges of v cc , v ic , and operating free-air temperature (unless otherwise noted) parameter test conditions min typ ? max unit v it positive- g oin g v o =v oh min i oh = 440 a am26ls32a 0.2 v v it+ gg input threshhold voltage v o = v oh min , i oh = ? 440 a am26ls33a 0.5 v v it ne g ative- g oin g v o =045v i ol =8ma am26ls32a ? 0.2 ? v v it ? ggg input threshhold voltage v o = 0 . 45 v , i ol = 8 ma am26ls33a ? 0.5 ? v v hys hysteresis voltage (v it+ ? v it ? ) 50 mv v ik enable-input clamp voltage v cc = min, i i = ? 18 ma ? 1.5 v v oh high level out p ut voltage v cc =min, v id = 1 v, am26ls32ac am26LS33AC 2.7 v v oh high - level output voltage cc , id , v i(g) = 0.8 v, i oh = ? 440 a am26ls32am, am26ls32ai, am26ls33am 2.5 v v ol low level out p ut voltage v cc = min, v id = ? 1 v, i ol = 4 ma 0.4 v v ol low - level output voltage cc , id , v i(g) = 0.8 v i ol = 8 ma 0.45 v i oz off-state (high im p edance state) v cc = max v o = 2.4 v 20 a i oz (hi g h - i mpe d ance s t a t e ) output current v cc = max v o = 0.4 v ? 20 a i i line in p ut current v i = 15 v, other input at ? 10 v to 15 v 1.2 ma i i line input current v i = ? 15 v, other input at ? 15 v to 10 v ? 1.7 ma i i(en) enable input current v i = 5.5 v 100 a i ih high-level enable current v i = 2.7 v 20 a i il low-level enable current v i = 0.4 v ? 0.36 ma r i input resistance v ic = ? 15 v to 15 v, one input to ac ground 12 15 k ? i os short-circuit output current v cc = max ? 15 ? 85 ma i cc supply current v cc = max, all outputs disabled 52 70 ma ? all typical values are at v cc = 5 v, t a = 25 c, and v ic = 0. ? the algebraic convention, in which the less positive (more negative) limit is designated as minimum, is used in this data sheet for threshold levels only. not more than one output should be shorted to ground at a time, and duration of the short circuit should not exceed one second.
am26ls32ac, am26ls32ai, am26LS33AC, am26ls32am, am26ls33am quadruple differential line receivers slls115d ? october 1980 ? revised march 2002 5 post office box 655303 ? dallas, texas 75265 switching characteristics, v cc = 5 v, t a = 25 c parameter test conditions min typ max unit t plh propagation delay time, low-to-high-level output c l =15 p f see figure 1 20 35 ns t phl propagation delay time, high-to-low-level output c l = 15 pf , see figure 1 22 35 ns t pzh output enable time to high level c l =15 p f see figure 1 17 22 ns t pzl output enable time to low level c l = 15 pf , see figure 1 20 25 ns t phz output disable time from high level c l =5 p f see figure 1 21 30 ns t plz output disable time from low level c l = 5 pf , see figure 1 30 40 ns parameter measurement information s1 open s2 closed 5 k ? s1 r l = 2 k ? v cc from output under test c l (see note a) see note b s2 t phl v oh v ol 2.5 v ? 2.5 v t plh s1 and s2 closed voltage waveforms for t plh , t phl test circuit 10% 90% 10% 90% 0 3 v 10% 10% 90% 90% 1.3 v 1.3 v 1.3 v 1.3 v 3 v 0 5 ns 10% 90% 10% 90% 0 3 v 10% 10% 90% 90% 1.3 v 1.3 v 1.3 v 1.3 v 3 v 0 enable g enable g t pzh 1.3 v output v oh 0.5 v 1.4 v t phz s1 closed s2 closed t pzl 1.3 v s1 closed s2 open s1 closed s2 closed v ol 0.5 v t plz voltage waveforms for t phz , t pzh voltage waveforms for t plz , t pzl test point output see note c see note c input output enable g enable g 5 ns 5 ns 5 ns 1.4 v notes: a. c l includes probe and jig capacitance. b. all diodes are 1n3064 or equivalent. c. enable g is tested with g high; g is tested with g low. 00 1.3 v 1.3 v figure 1
am26ls32ac, am26ls32ai, am26LS33AC, am26ls32am, am26ls33am quadruple differential line receivers slls115d ? october 1980 ? revised march 2002 6 post office box 655303 ? dallas, texas 75265 typical characteristics 2 1 0 0 ? 10 ? 20 ? 30 ? high-level output voltage ? v 3 4 high-level output voltage vs high-level output current ? 5 ? 40 ? 50 v cc = 5.25 v v cc = 5 v v cc = 4.75 v i oh ? high-level output current ? ma v oh v id = 0.2 v t a = 25 c v cc = 5.5 v v cc = 4.5 v ? v cc = 5.5 v and v cc = 4.5 v applies to m-suffix devices only. figure 2 2 0 0 10203040 5060 high-level output voltage vs free-air temperature 5 70 80 4 3 1 ? high-level output voltage ? v v oh t a ? free-air temperature ? c v cc = 5 v v id = 0.2 mv i oh = ? 440 a figure 3 figure 4 0.3 0.2 0.1 0 0510 ? low-level output voltage ? v 0.4 0.5 low-level output voltage vs low-level output current 0.6 15 20 25 30 i ol ? low-level output current ? ma v ol v cc = 5 v t a = 25 c v id = ? 0.2 mv figure 5 0.3 0.2 0.1 0 0 1020304050 0.4 0.5 low-level output voltage vs free-air temperature 60 70 80 ? low-level output voltage ? v v ol t a ? free-air temperature ? c v cc = 5 v v id = ? 0.2 v i ol = 8 ma
am26ls32ac, am26ls32ai, am26LS33AC, am26ls32am, am26ls33am quadruple differential line receivers slls115d ? october 1980 ? revised march 2002 7 post office box 655303 ? dallas, texas 75265 typical characteristics output voltage vs enable g voltage enable g voltage ? v 3 2 0 0.5 1 1.5 4 5 2 2.5 3 1 0 ? output voltage ? v v o v id = 0.2 v t a = 25 c load = 8 k ? to gnd v cc = 5.5 v v cc = 5 v v cc = 4.5 v 4.5 3.5 2.5 1.5 0.5 figure 6 output voltage vs enable g voltage enable g voltage ? v ? output voltage ? v v o 2 0 0 0.5 1 1.5 2 3 4 2.5 3 1 t a = 70 c t a = 25 c t a = 0 c 3.5 2.5 1.5 0.5 5 4.5 v cc = 5 v v id = 0.2 v load = 8 k ? to gnd figure 7 figure 8 enable g voltage ? v ? output voltage ? v v o 3 2 1 0 0 0.5 1 4 5 6 1.5 2 2.5 3 v cc = 5.5 v v cc = 5 v v cc = 4.5 v v id = ? 0.2 v load = 1 k ? to v cc t a = 25 c output voltage vs enable g voltage figure 9 output voltage vs enable g voltage enable g voltage ? v ? output voltage ? v v o 3 2 1 0 0 0.5 1 4 5 6 1.5 2 2.5 3 v cc = 5 v v id = ? 0.2 v load = 1 k ? to v cc t a = 0 c t a = 25 c t a = 70 c
am26ls32ac, am26ls32ai, am26LS33AC, am26ls32am, am26ls33am quadruple differential line receivers slls115d ? october 1980 ? revised march 2002 8 post office box 655303 ? dallas, texas 75265 typical characteristics figure 10 2.5 2 1 0.5 0 4.5 1.5 ? 200 ? 150 ? 100 ? 50 0 3.5 3 4 am26ls32a output voltage vs differential input voltage 5 50 100 150 200 v id ? differential input voltage ? mv ? output voltage ? v v o v cc = 5 v i o = 0 t a = 25 c v it ? v it+ v ic = ? 7 v v ic = 0 v ic = 7 v v it ? v it+ v it ? v it+ 2.5 2 1 0.5 0 4.5 1.5 ? 200 ? 150 ? 100 ? 50 0 3.5 3 4 am26ls33a output voltage vs differential input voltage 5 50 100 150 200 v id ? differential input voltage ? mv ? output voltage ? v v o v cc = 5 v, i o = 0, t a = 25 c v it ? v it+ v ic = ? 15 v v ic = 0 v ic = 15 v v it ? v it+ v it ? v it+ figure 11 0 ? 1 ? 3 ? 4 ? 25 ? 20 ? 15 ? 50 510 ? input current ? ma 1 3 input current vs input voltage 4 20 15 ? 2 2 i i v i ? input voltage ? v the unshaded area shows requirements of paragraph 4.2.1 of ansi standards eia/tia-422-b and eia/tia-423-b. ? 10 25 v cc = 5 v v cc = 0 figure 12
am26ls32ac, am26ls32ai, am26LS33AC, am26ls32am, am26ls33am quadruple differential line receivers slls115d ? october 1980 ? revised march 2002 9 post office box 655303 ? dallas, texas 75265 application information 1/4 am26ls32ac 1/4 am26ls31ac data in data out data out data out 1/4 am26ls32ac 1/4 am26LS33AC r t ? ? r t equals the characteristic impedance of the line. figure 13. circuit with multiple receivers
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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