? semiconductor components industries, llc, 2001 october, 2001 rev. 7 1 publication order number: sn74ls125a/d sn74ls125a, sn74ls126a quad 3-state buffers ls125a 14 13 12 11 10 9 123456 v cc 8 7 gnd e doe do do e doe ls126a 14 13 12 11 10 9 123456 v cc 8 7 gnd edoe do do ed oe truth tables ls125a ls126a inputs inputs e d output e d output l l l h l l l h h h h h h x (z) l x (z) l = low voltage level h = high voltage level x = don't care (z) = high impedance (off) 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 2.6 ma i ol output current low 24 ma low power schottky soic d suffix case 751a plastic n suffix case 646 14 1 14 1 soeiaj m suffix case 965 14 1 device package shipping ordering information sn74ls125an 14 pin dip 2000 units/box sn74ls125ad soic14 55 units/rail sn74ls125adr2 soic14 2500/tape & reel sn74ls125am soeiaj14 see note 1 sn74ls125amel soeiaj14 1. for ordering information on the eiaj version of the soic package, please contact your local on semiconductor representative. see note 1 14 pin dip 2000 units/box sn74ls126ad soic14 55 units/rail sn74ls126adr2 soic14 2500/tape & reel sn74ls126am soeiaj14 see note 1 sn74ls126amel soeiaj14 see note 1 sn74ls126an http://onsemi.com
sn74ls125a, sn74ls126a http://onsemi.com 2 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 2.4 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 i ozh output off current high 20 m a v cc = max, v out = 2.4 v i ozl output off current low 20 m a v cc = max, v out = 0.4 v i ih in p ut high current 20 m a v cc = max, v in = 2.7 v i ih input high current 0.1 ma v cc = max, v in = 7.0 v i il input low current 0.4 ma v cc = max, v in = 0.4 v i os short circuit current (note 2) 40 225 ma v cc = max i cc power su pp ly current ls125a 20 ma v cc = max v in = 0 v, v e = 4.5 v i cc power supply current ls126a 22 ma v cc = max v in = 0 v, v e = 0 v 2. not more than one output should be shorted at a time, nor for more than 1 second. ac characteristics (t a = 25 c) limits symbol parameter min typ max unit test conditions t plh ls125a 9.0 15 t plh propa g ation dela y , ls126a 9.0 15 ns figure 2 t phl pro agation delay , data to output ls125a 7.0 18 ns figure 2 t phl ls126a 8.0 18 v cc = 5.0 v c l 45 p f t pzh output enable time ls125a 12 20 ns figures 4 5 c l = 45 pf r l = 667 w t pzh out ut enable time to high level ls126a 16 25 ns figures 4, 5 r l = 667 w t pzl output enable time ls125a 15 25 ns figures 3 5 t pzl out ut enable time to low level ls126a 21 35 ns figures 3, 5 t phz output disable time ls125a 20 ns figures 4 5 t phz out ut disable time from high level ls126a 25 ns figures 4, 5 v cc = 5.0 v c l 50 p f t plz output disable time ls125a 20 ns figures 3 5 c l = 5.0 pf r l = 667 w t plz out ut disable time from low level ls126a 25 ns figures 3, 5 r l = 667 w
sn74ls125a, sn74ls126a http://onsemi.com 3 figure 1. figure 2. figure 3. figure 4. v in v out 1.3 v 1.3 v t plh t phl 1.3 v 1.3 v v in v out 1.3 v 1.3 v t phl 1.3 v t plh 1.3 v v e v e v out 1.3 v t pzl 1.3 v t plz 1.3 v 1.3 v v ol 0.5 v v e v out 1.3 v t pzh 1.3 v 1.3 v t phz > voh 1.3 v 0.5 v v e figure 5. v cc r l sw1 to output under test c l 5 k w sw2 switch positions symbol sw1 sw2 t pzh open closed t pzl closed open t plz closed closed t phz closed closed
sn74ls125a, sn74ls126a http://onsemi.com 4 package dimensions 17 14 8 b a dim min max min max millimeters inches a 0.715 0.770 18.16 18.80 b 0.240 0.260 6.10 6.60 c 0.145 0.185 3.69 4.69 d 0.015 0.021 0.38 0.53 f 0.040 0.070 1.02 1.78 g 0.100 bsc 2.54 bsc h 0.052 0.095 1.32 2.41 j 0.008 0.015 0.20 0.38 k 0.115 0.135 2.92 3.43 l m --- 10 --- 10 n 0.015 0.039 0.38 1.01 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension l to center of leads when formed parallel. 4. dimension b does not include mold flash. 5. rounded corners optional. f hg d k c seating plane n t 14 pl m 0.13 (0.005) l m j 0.290 0.310 7.37 7.87 n suffix plastic package case 64606 issue m
sn74ls125a, sn74ls126a http://onsemi.com 5 package dimensions notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimensions a and b do not include mold protrusion. 4. maximum mold protrusion 0.15 (0.006) per side. 5. dimension d does not include dambar protrusion. allowable dambar protrusion shall be 0.127 (0.005) total in excess of the d dimension at maximum material condition. a b g p 7 pl 14 8 7 1 m 0.25 (0.010) b m s b m 0.25 (0.010) a s t t f r x 45 seating plane d 14 pl k c j m dim min max min max inches millimeters a 8.55 8.75 0.337 0.344 b 3.80 4.00 0.150 0.157 c 1.35 1.75 0.054 0.068 d 0.35 0.49 0.014 0.019 f 0.40 1.25 0.016 0.049 g 1.27 bsc 0.050 bsc j 0.19 0.25 0.008 0.009 k 0.10 0.25 0.004 0.009 m 0 7 0 7 p 5.80 6.20 0.228 0.244 r 0.25 0.50 0.010 0.019 d suffix plastic soic package case 751a03 issue f
sn74ls125a, sn74ls126a http://onsemi.com 6 package dimensions h e a 1 dim min max min max inches --- 2.05 --- 0.081 millimeters 0.05 0.20 0.002 0.008 0.35 0.50 0.014 0.020 0.18 0.27 0.007 0.011 9.90 10.50 0.390 0.413 5.10 5.45 0.201 0.215 1.27 bsc 0.050 bsc 7.40 8.20 0.291 0.323 0.50 0.85 0.020 0.033 1.10 1.50 0.043 0.059 0 0.70 0.90 0.028 0.035 --- 1.42 --- 0.056 a 1 h e q 1 l e 10 0 10 l e q 1 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimensions d and e do not include mold flash or protrusions and are measured at the parting line. mold flash or protrusions shall not exceed 0.15 (0.006) per side. 4. terminal numbers are shown for reference only. 5. the lead width dimension (b) does not include dambar protrusion. allowable dambar protrusion shall be 0.08 (0.003) total in excess of the lead width dimension at maximum material condition. dambar cannot be located on the lower radius or the foot. minimum space between protrusions and adjacent lead to be 0.46 ( 0.018). 0.13 (0.005) m 0.10 (0.004) d z e 1 14 8 7 e a b view p c l detail p m a b c d e e 0.50 m z m suffix soeiaj package case 96501 issue o
sn74ls125a, sn74ls126a http://onsemi.com 7 notes
sn74ls125a, sn74ls126a 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. sn74ls125a/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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