? semiconductor components industries, llc, 2001 may, 2001 rev. 3 1 publication order number: mc74hc541a/d mc74hc541a octal 3-state noninverting buffer/line driver/line receiver highperformance silicongate cmos the mc74hc541a is identical in pinout to the ls541. the device inputs are compatible with standard cmos outputs. external pullup resistors make them compatible with lsttl outputs. the hc541a is an octal noninverting buffer/line driver/line receiver designed to be used with 3state memory address drivers, clock drivers, and other busoriented systems. this device features inputs and outputs on opposite sides of the package and two anded activelow output enables. the hc541a is similar in function to the hc540a, which has inverting outputs. ? output drive capability: 15 lsttl loads ? outputs directly interface to cmos, nmos and ttl ? operating voltage range: 2 to 6v ? low input current: 1 a ? high noise immunity characteristic of cmos devices ? in compliance with the jedec standard no. 7a requirements ? chip complexity: 134 fets or 33.5 equivalent gates 19 20 18 17 16 15 14 2 1 34567 v cc 13 8 12 9 11 10 oe2 y1 y2 y3 y4 y5 y6 y7 y8 oe1 a1 a2 a3 a4 a5 a6 a7 a8 gnd figure 1. pinout: 20lead packages (top view) l l h x l l x h l h x x inputs output y oe1 oe2 a l h z z x = don't care z = high impedance function table 1440/box mc74hc541an pdip20 mc74hc541adwr2 soicwide 1000/reel ordering information http://onsemi.com marking diagrams device package shipping mc74hc541adw soicwide 38/rail a = assembly location l, wl = wafer lot y, yy = year w, ww = work week tssop20 dt suffix case 948e hc541a alyw 20 1 so20 dw suffix case 751d 1 20 hc541a awlyyww pdip20 n suffix case 783 1 20 mc74hc541an awlyyww tssop20 75/rail tssop20 2500/reel mc74hc541adt mc74hc541adtr2
mc74hc541a http://onsemi.com 2 18 y1 2 a1 17 y2 3 a2 16 y3 4 a3 15 y4 5 a4 14 y5 6 a5 13 y6 7 a6 12 y7 8 a7 11 y8 9 a8 oe1 oe2 1 19 output enables data inputs noninverting outputs pin 20 = v cc pin 10 = gnd figure 2. logic diagram
mc74hc541a http://onsemi.com 3 maximum ratings (note 1) symbol parameter value unit v cc dc supply voltage 0.5 to 7.0 v v i dc input voltage 0.5 v i 0.5 v v o dc output voltage (note 2) 0.5 v o 0.5 v i ik dc input diode current 20 ma i ok dc output diode current 35 ma i o dc output sink current 35 ma i cc dc supply current per supply pin 75 ma i gnd dc ground current per ground pin 75 ma t stg storage temperature range 65 to 150 c t l lead temperature, 1 mm from case for 10 seconds 260 c t j junction temperature under bias 150 c ja thermal resistance pdip soic tssop 67 96 128 c/w p d power dissipation in still air at 85 c pdip soic tssop 750 500 450 mw msl moisture sensitivity level 1 f r flammability rating oxygen index: 30% 35% ul94vo (0.125 in) v esd esd withstand voltage human body model (note 3) machine model (note 4) charged device model (note 5) > 4000 > 300 > 1000 v i latchup latchup performance above v cc and below gnd at 85 c (note 6) 300 ma 1. absolute maximum continuous ratings are those values beyond which damage to the device may occur. extended exposure to these conditions or conditions beyond those indicated may adversely affect device reliability. functional operation under absolute maximumrated conditions is not implied. 2. i o absolute maximum rating must be observed. 3. tested to eia/jesd22a114a. 4. tested to eia/jesd22a115a. 5. tested to jesd22c101a. 6. tested to eia/jesd78. 7. for high frequency or heavy load considerations, see the on semiconductor highspeed cmos data book (dl129/d). recommended operating conditions symbol parameter min max unit ???? ???? v cc ????????????????????? ????????????????????? dc supply voltage (referenced to gnd) ????? ????? 2.0 ???? ???? 6.0 ??? ??? v ???? ???? v in , v out ????????????????????? ????????????????????? dc input voltage, output voltage (referenced to gnd) ????? ????? 0 ???? ???? v cc ??? ??? v ???? ???? t a ????????????????????? ????????????????????? operating temperature range, all package types ????? ????? 55 ???? ???? 125 ??? ??? c ???? ? ?? ? ???? t r , t f ????????????????????? ? ??????????????????? ? ????????????????????? input rise/fall time v cc = 2.0 v (figure 3) v cc = 4.5 v v cc = 6.0 v ????? ? ??? ? ????? 0 0 0 ???? ? ?? ? ???? 1000 500 400 ??? ? ? ? ??? ns 8. unused inputs may not be left open. all inputs must be tied to a highlogic voltage level or a lowlogic input voltage level.
mc74hc541a http://onsemi.com 4 dc characteristics (voltages referenced to gnd) v cc guaranteed limit symbol parameter condition v 55 c to 25 c 85 c 125 c unit v ih minimum highlevel input voltage v out = 0.1 v |i out | 20 a 2.0 3.0 4.5 6.0 1.50 2.10 3.15 4.20 1.50 2.10 3.15 4.20 1.50 2.10 3.15 4.20 v v il maximum lowlevel input voltage v out = v cc 0.1 v |i out | 20 a 2.0 3.0 4.5 6.0 0.50 0.90 1.35 1.80 0.50 0.90 1.35 1.80 0.50 0.90 1.35 1.80 v v oh minimum highlevel output voltage v in = v il |i out | 20 a 2.0 4.5 6.0 1.9 4.4 5.9 1.9 4.4 5.9 1.9 4.4 5.9 v v in = v il |i out | 3.6 ma |i out | 6.0 ma |i out | 7.8 ma 3.0 4.5 6.0 2.48 3.98 5.48 2.34 3.84 5.34 2.20 3.70 5.20 v ol maximum lowlevel output voltage v in = v ih |i out | 20 a 2.0 4.5 6.0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 v v in = v ih |i out | 3.6 ma |i out | 6.0 ma |i out | 7.8 ma 3.0 4.5 6.0 0.26 0.26 0.26 0.33 0.33 0.33 0.40 0.40 0.40 i in maximum input leakage current v in = v cc or gnd 6.0 0.1 1.0 1.0 a i oz maximum threestate leakage current output in high impedance state v in = v il or v ih v out = v cc or gnd 6.0 0.5 5.0 10.0 a i cc maximum quiescent supply current (per package) v in = v cc or gnd i out = 0 a 6.0 4 40 160 a 9. information on typical parametric values can be found in the on semic onductor highspeed cmos data book (dl129/d). ac characteristics (c l = 50 pf, input t r = t f = 6 ns) v cc guaranteed limit symbol parameter v 55 c to 25 c 85 c 125 c unit t plh , t phl maximum propagation delay, input a to output y (figures 3 and 5) 2.0 3.0 4.5 6.0 80 30 18 15 100 40 23 20 120 55 28 25 ns t plz , t phz maximum propagation delay, output enable to output y (figures 4 and 6) 2.0 3.0 4.5 6.0 110 45 25 21 140 60 31 26 165 75 38 31 ns t pzl , t pzh maximum propagation delay, output enable to output y (figures 4 and 6) 2.0 3.0 4.5 6.0 110 45 25 21 140 60 31 26 165 75 38 31 ns t tlh , t thl maximum output transition time, any output (figures 3 and 5) 2.0 3.0 4.5 6.0 60 22 12 10 75 28 15 13 90 34 18 15 ns c in maximum input capacitance 10 10 10 pf c out maximum threestate output capacitance (high impedance state output) 15 15 15 pf 10. for propagation delays with loads other than 50 pf, and information on typical parametric values, see the on semic onductor highspeed cmos data book (dl129/d). typical @ 25 c, v cc = 5.0 v, v ee = 0 v c pd power dissipation capacitance (per buffer) (note 11) 35 pf 11. used to determine the noload dynamic power consumption: p d = c pd v cc 2 f + i cc v cc . for load considerations, see the on semiconductor highspeed cmos data book (dl129/d).
mc74hc541a http://onsemi.com 5 figure 3. switching waveform v cc gnd input a output y t plh oe1 or oe2 50% v cc gnd output y t pzl output y t pzh high impedance v ol v oh high impedance 10% 90% t plz t phz 50% 50% t phl 90% 50% 10% t r t tlh t f t thl figure 4. switching waveform 90% 50% 10% 50% c l * *includes all probe and jig capacitance test point device under test output figure 5. test circuit figure 6. test circuit c l * *includes all probe and jig capacitance test point device under test output 1 k connect to v cc when testing t plz and t pzl . connect to gnd when testing t phz and t pzh . pin descriptions inputs a1, a2, a3, a4, a5, a6, a7, a8 (pins 2, 3, 4, 5, 6, 7, 8, 9) data input pins. data on these pins appear in noninverted form on the corresponding y outputs, when the outputs are enabled. controls oe1, oe2 (pins 1, 19) output enables (activelow). when a low voltage is applied to both of these pins, the outputs are enabled and the device functions as an noninverting buffer. when a high voltage is applied to either input, the outputs assume the high impedance state. outputs y1, y2, y3, y4, y5, y6, y7, y8 (pins 18, 17, 16, 15, 14, 13, 12, 11) device outputs. depending upon the state of the output enable pins, these outputs are either noninverting outputs or highimpedance outputs.
mc74hc541a http://onsemi.com 6 v cc to 7 other buffers figure 7. logic detail one of eight buffers input a oe1 oe2 output y
mc74hc541a http://onsemi.com 7 package dimensions pdip n suffix plastic dip 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 so20 dw suffix 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.
mc74hc541a http://onsemi.com 8 package dimensions tssop dt suffix 20 pin plastic tssop package case 948e02 issue a dim a min max min max inches 6.60 0.260 millimeters b 4.30 4.50 0.169 0.177 c 1.20 0.047 d 0.05 0.15 0.002 0.006 f 0.50 0.75 0.020 0.030 g 0.65 bsc 0.026 bsc h 0.27 0.37 0.011 0.015 j 0.09 0.20 0.004 0.008 j1 0.09 0.16 0.004 0.006 k 0.19 0.30 0.007 0.012 k1 0.19 0.25 0.007 0.010 l 6.40 bsc 0.252 bsc m 0 8 0 8 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimension a does not include mold flash, protrusions or gate burrs. mold flash or gate burrs shall not exceed 0.15 (0.006) per side. 4. dimension b does not include interlead flash or protrusion. interlead flash or protrusion shall not exceed 0.25 (0.010) per side. 5. dimension k does not include dambar protrusion. allowable dambar protrusion shall be 0.08 (0.003) total in excess of the k dimension at maximum material condition. 6. terminal numbers are shown for reference only. 7. dimension a and b are to be determined at datum plane -w-. 110 11 20 pin 1 ident a b t 0.100 (0.004) c d g h section nn k k1 jj1 n n m f w seating plane v u s u m 0.10 (0.004) v s t 20x ref k l l/2 2x s u 0.15 (0.006) t detail e 0.25 (0.010) detail e 6.40 0.252 --- --- s u 0.15 (0.006) t 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 central/south america: spanish phone : 3033087143 (monfri 8:00am to 5:00pm mst) email : onlitspanish@hibbertco.com tollfree from mexico: dial 018002882872 for access then dial 8662979322 asia/pacific : ldc for on semiconductor asia support phone : 13036752121 (tuefri 9:00am to 1:00pm, hong kong time) toll free from hong kong & singapore: 00180044223781 email : onlitasia@hibbertco.com 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. mc74hc541a/d north america 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 fax response line: 3036752167 or 8003443810 toll free usa/canada n. american technical support : 8002829855 toll free usa/canada europe: ldc for on semiconductor european support german phone : (+1) 3033087140 (monfri 2:30pm to 7:00pm cet) email : onlitgerman@hibbertco.com french phone : (+1) 3033087141 (monfri 2:00pm to 7:00pm cet) email : onlitfrench@hibbertco.com english phone : (+1) 3033087142 (monfri 12:00pm to 5:00pm gmt) email : onlit@hibbertco.com european tollfree access*: 0080044223781 *available from germany, france, italy, uk, ireland
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