? semiconductor components industries, llc, 2001 october, 2001 rev. 8 1 publication order number: sn74ls682/d sn74ls682, sn74ls684, sn74ls688 8-bit magnitude comparators the sn74ls682, 684, 688 are 8-bit magnitude comparators. these device types are designed to perform comparisons between two eight-bit binary or bcd words. all device types provide p = q outputs and the ls682 and ls684 have p>q outputs also. the ls682, ls684 and ls688 are totem pole devices. the ls682 has a 20 k w pullup resistor on the q inputs for analog or switch data. output output type p = q p > q output enable output configuration pullup ls682 yes yes no totem-pole yes ls684 yes yes no totem-pole no ls688 yes no yes totem-pole no guaranteed operating ranges symbol parameter min typ max unit v cc supply voltage 4.75 5.0 5.25 v t a operating ambient temperature range 0 25 70 c i oh output current high 0.4 ma i ol output current low 24 ma low power schottky http://onsemi.com pdip20 n suffix case 738 20 1 20 1 x = 2, 4, or 8 a = assembly location wl = wafer lot yy = year ww = work week sn74ls68xn awlyyww marking diagrams ls68x awlyyww soic20 dw suffix case 751d 1 1 device package shipping ordering information sn74ls682n pdip20 1440 units/box sn74ls682dw soicwide 38 units/rail sn74ls682dwr2 soicwide 2500/tape & reel sn74ls684n pdip20 1440 units/box sn74ls684dw soicwide 38 units/rail sn74ls684dwr2 soicwide 2500/tape & reel sn74ls688n pdip20 1440 units/box sn74ls688dw soicwide 38 units/rail sn74ls688dwr2 soicwide 2500/tape & reel
sn74ls682, sn74ls684, sn74ls688 http://onsemi.com 2 connection diagrams (top view) sn74ls682/684 18 17 16 15 14 13 1234 56 7 20 19 8 v cc p>q p=q q7 p7 q6 q5 p6 p5 p0 q0 p1 q1 p2 q2 p3 910 q3 gnd 12 11 q4 p4 sn74ls688 18 17 16 15 14 13 1234 56 7 20 19 8 v cc g p=q q7 p7 q6 q5 p6 p5 p0 q0 p1 q1 p2 q2 p3 910 q3 gnd 12 11 q4 p4 function table inputs outputs data enables p, q g , gt g2 p = q p > q p = q p > q p < q x l l l h l l l h l h h h h l h h h = high level, l = low level, x = irrelevant
sn74ls682, sn74ls684, sn74ls688 http://onsemi.com 3 dc characteristics over operating temperature range (unless otherwise specified) limits symbol parameter min typ max unit test conditions v ih input high voltage 2.0 v guaranteed input high voltage for all inputs v il input low voltage 0.8 v guaranteed input low voltage for all inputs v ik input clamp diode voltage 0.65 1.5 v v cc = min, i in = 18 ma v oh output high voltage 2.7 3.5 v v cc = min, i oh = max, v in = v ih or v il per truth table v ol out p ut low voltage 0.25 0.4 v i ol = 12 ma v cc = v cc min, v in v il or v ih v ol output low voltage 0.35 0.5 v i ol = 24 ma v in = v il or v ih per truth table 20 m a v cc = max, v in = 2.7 v i ih input high current ls682-q inputs 0.1 ma v cc = max, v in = 5.5 v ih others 0.1 ma v cc = max, v in = 7.0 v i il in p ut low current ls682-q inputs 0.4 ma v cc = max v in =04v i il input low current others 0.2 ma v cc = max, v in = 0.4 v i os short circuit current (note 1.) 30 130 ma v cc = max ls682 70 ma i cc power supply current ls684 65 ma v cc = max cc current ls688 65 ma cc 1. not more than one output should be shorted at a time, nor for more than 1 second.
sn74ls682, sn74ls684, sn74ls688 http://onsemi.com 4 logic diagrams p7 q7 p6 q6 p5 q5 p4 q4 p3 q3 p2 q2 p1 q1 p0 q0 (1) (2) (3) (4) (5) (6) (7) (8) (9) (11) (12) (13) (14) (15) (16) (17) (18) (19) p = q p > q (2) (3) (4) (5) (6) (7) (8) (9) (11) (12) (13) (14) (15) (16) (17) (18) p7 q7 p6 q6 p5 q5 p4 q4 p3 q3 p2 q2 p1 q1 p0 q0 (19) p = q (1) g sn74ls682 and ls684 sn74ls688
sn74ls682, sn74ls684, sn74ls688 http://onsemi.com 5 ac characteristics (t a = 25 c) sn74ls682 limits symbol parameter min typ max unit test conditions t plh t phl propagation delay, p to p = q 13 15 25 25 ns t plh t phl propagation delay, q to p = q 14 15 25 25 ns v cc = 5.0 v c l 45 p f t plh t phl propagation delay, p to p > q 20 15 30 30 ns c l = 45 pf r l = 667 w t plh t phl propagation delay, q to p > q 21 19 30 30 ns sn74ls684 limits symbol parameter min typ max unit test conditions t plh t phl propagation delay, p to p = q 15 17 25 25 ns t plh t phl propagation delay, q to p = q 16 15 25 25 ns v cc = 5.0 v c l 45 p f t plh t phl propagation delay, p to p > q 22 17 30 30 ns c l = 45 pf r l = 667 w t plh t phl propagation delay, q to p > q 24 20 30 30 ns sn74ls688 limits symbol parameter min typ max unit test conditions t plh t phl propagation delay, p to p = q 12 17 18 23 ns t plh t phl propagation delay, q to p = q 12 17 18 23 ns v cc = 5.0 v c l = 45 pf r l = 66 7 w t plh t phl propagation delay, g , g1 to p = q 12 13 18 20 ns r l = 667 w
sn74ls682, sn74ls684, sn74ls688 http://onsemi.com 6 package dimensions n suffix plastic package case 73803 issue e notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension l to center of lead when formed parallel. 4. dimension b does not include mold flash. m l j 20 pl m b m 0.25 (0.010) t dim min max min max millimeters inches a 25.66 27.17 1.010 1.070 b 6.10 6.60 0.240 0.260 c 3.81 4.57 0.150 0.180 d 0.39 0.55 0.015 0.022 g 2.54 bsc 0.100 bsc j 0.21 0.38 0.008 0.015 k 2.80 3.55 0.110 0.140 l 7.62 bsc 0.300 bsc m 0 15 0 15 n 0.51 1.01 0.020 0.040 e 1.27 1.77 0.050 0.070 1 11 10 20 a seating plane k n f g d 20 pl t m a m 0.25 (0.010) t e b c f 1.27 bsc 0.050 bsc
sn74ls682, sn74ls684, sn74ls688 http://onsemi.com 7 package dimensions dw suffix plastic soic package case 751d05 issue f 20 1 11 10 b 20x h 10x c l 18x a1 a seating plane h x 45 e d m 0.25 m b m 0.25 s a s b t e t b a dim min max millimeters a 2.35 2.65 a1 0.10 0.25 b 0.35 0.49 c 0.23 0.32 d 12.65 12.95 e 7.40 7.60 e 1.27 bsc h 10.05 10.55 h 0.25 0.75 l 0.50 0.90 0 7 notes: 1. dimensions are in millimeters. 2. interpret dimensions and tolerances per asme y14.5m, 1994. 3. dimensions d and e do not include mold protrusion. 4. maximum mold protrusion 0.15 per side. 5. dimension b does not include dambar protrusion. allowable protrusion shall be 0.13 total in excess of b dimension at maximum material condition.
sn74ls682, sn74ls684, sn74ls688 http://onsemi.com 8 on semiconductor and are trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to make changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. atypicalo parameters which may be provided in scill c data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including atypicalso must be validated for each customer application by customer's technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body , or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthori zed use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. publication ordering information japan : on semiconductor, japan customer focus center 4321 nishigotanda, shinagawaku, tokyo, japan 1410031 phone : 81357402700 email : r14525@onsemi.com on semiconductor website : http://onsemi.com for additional information, please contact your local sales representative. sn74ls682/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 3036752175 or 8003443860 toll free usa/canada fax : 3036752176 or 8003443867 toll free usa/canada email : onlit@hibbertco.com n. american technical support : 8002829855 toll free usa/canada
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