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!( $& ! the mc74lcx573 is a high performance, noninverting octal transparent latch operating from a 2.7 to 3.6v supply. high impedance ttl compatible inputs significantly reduce current loading to input drivers while ttl compatible outputs offer improved switching noise performance. a v i specification of 5.5v allows mc74lcx573 inputs to be safely driven from 5v devices. the mc74lcx573 contains 8 dtype latches with 3state standard outputs. when the latch enable (le) input is high, data on the dn inputs enters the latches. in this condition, the latches are transparent, i.e., a latch output will change state each time its d input changes. when le is low, the latches store the information that was present on the d inputs a setup time preceding the hightolow transition of le. the 3state standard outputs are controlled by the output enable (oe ) input. when oe is low, the standard outputs are enabled. when oe is high, the standard outputs are in the high impedance state, but this does not interfere with new data entering into the latches. the lcx573 flow through design facilitates easy pc board layout. ? designed for 2.7 to 3.6v v cc operation ? 5v tolerant e interface capability with 5v ttl logic ? supports live insertion and withdrawal ? i off specification guarantees high impedance when v cc = 0v ? lvttl compatible ? lvcmos compatible ? 24ma balanced output sink and source capability ? near zero static supply current in all three logic states (10 m a) substantially reduces system power requirements ? latchup performance exceeds 500ma ? esd performance: human body model >2000v; machine model >200v pinout: 20lead (top view) 19 20 18 17 16 15 14 2 1 34567 v cc 13 8 12 9 11 10 o0 o1 o2 o3 o4 o5 o6 o7 le oe d0 d1 d2 d3 d4 d5 d6 d7 gnd dw suffix plastic soic case 751d04 dt suffix plastic tssop case 948e02 20 1 20 1 m suffix plastic soic eiaj case 96701 20 1 sd suffix plastic ssop case 940c03 20 1 pin names function output enable input latch enable input data inputs 3state latch outputs pins oe le d0d7 o0o7 lowvoltage cmos octal transparent latch
mc74lcx573 motorola lcx data br1339 e rev 3 2 o0 d0 o1 d1 o2 d2 o3 d3 o4 d4 o5 d5 o6 d6 o7 d7 logic diagram nle q d nle q d nle q d nle q d nle q d nle q d nle q d nle q d le oe 2 3 4 5 6 7 8 9 19 18 17 16 15 14 13 12 11 1 inputs outputs oe le dn on operating mode l l h h h l h l transparent (latch disabled); read latch l l l l h l h l latched (latch enabled) read latch l l x nc hold; read latch h l x z hold; disabled outputs h h h h h l z z transparent (latch disabled); disabled outputs h h l l h l z z latched (latch enabled); disabled outputs h = high voltage level; h = high voltage level one setup time prior to the latch enable hightolow transition; l = low voltage level; l = low voltage level one setup time prior to the latch enable hightolow transition; nc = no change, state prior to the latch enable hightolow transition; x = high or low voltage level or transitions are acceptable; z = high impedance state; for i cc reasons do not float inputs
mc74lcx573 lcx data br1339 e rev 3 3 motorola absolute maximum ratings* symbol parameter value condition unit v cc dc supply voltage 0.5 to +7.0 v v i dc input voltage 0.5 v i +7.0 v v o dc output voltage 0.5 v o +7.0 output in 3state v 0.5 v o v cc + 0.5 note 1. v i ik dc input diode current 50 v i < gnd ma i ok dc output diode current 50 v o < gnd ma +50 v o > v cc ma i o dc output source/sink current 50 ma i cc dc supply current per supply pin 100 ma i gnd dc ground current per ground pin 100 ma t stg storage temperature range 65 to +150 c * absolute maximum continuous ratings are those values beyond which damage to the device may occur. exposure to these conditions or conditions beyond those indicated may adversely affect device reliability. functional operation under absolutemaximumrated conditions is not implied. 1. output in high or low state. i o absolute maximum rating must be observed. recommended operating conditions symbol parameter min typ max unit v cc supply voltage operating data retention only 2.0 1.5 3.3 3.3 3.6 3.6 v v i input voltage 0 5.5 v v o output voltage (high or low state) (3state) 0 0 v cc 5.5 v i oh high level output current, v cc = 3.0v 3.6v 24 ma i ol low level output current, v cc = 3.0v 3.6v 24 ma i oh high level output current, v cc = 2.7v 3.0v 12 ma i ol low level output current, v cc = 2.7v 3.0v 12 ma t a operating freeair temperature 40 +85 c d t/ d v input transition rise or fall rate, v in from 0.8v to 2.0v, v cc = 3.0v 0 10 ns/v dc electrical characteristics t a = 40 c to +85 c symbol characteristic condition min max unit v ih high level input voltage (note 2.) 2.7v v cc 3.6v 2.0 v v il low level input voltage (note 2.) 2.7v v cc 3.6v 0.8 v v oh high level output voltage 2.7v v cc 3.6v; i oh = 100 m a v cc 0.2 v v cc = 2.7v; i oh = 12ma 2.2 v cc = 3.0v; i oh = 18ma 2.4 v cc = 3.0v; i oh = 24ma 2.2 v ol low level output voltage 2.7v v cc 3.6v; i ol = 100 m a 0.2 v v cc = 2.7v; i ol = 12ma 0.4 v cc = 3.0v; i ol = 16ma 0.4 v cc = 3.0v; i ol = 24ma 0.55 2. these values of v i are used to test dc electrical characteristics only.
mc74lcx573 motorola lcx data br1339 e rev 3 4 dc electrical characteristics (continued) t a = 40 c to +85 c symbol characteristic condition min max unit i i input leakage current 2.7v v cc 3.6v; 0v v i 5.5v 5.0 m a i oz 3state output current 2.7 v cc 3.6v; 0v v o 5.5v; v i = v ih or v il 5.0 m a i off poweroff leakage current v cc = 0v; v i or v o = 5.5v 10 m a i cc quiescent supply current 2.7 v cc 3.6v; v i = gnd or v cc 10 m a 2.7 v cc 3.6v; 3.6 v i or v o 5.5v 10 m a d i cc increase in i cc per input 2.7 v cc 3.6v; v ih = v cc 0.6v 500 m a ac characteristics (t r = t f = 2.5ns; c l = 50pf; r l = 500 w ) limits t a = 40 c to +85 c v cc = 3.0v to 3.6v v cc = 2.7v symbol parameter waveform min max min max unit t plh t phl propagation delay dn to on 1 1.5 1.5 8.0 8.0 1.5 1.5 9.0 9.0 ns t plh t phl propagation delay le to on 3 1.5 1.5 8.5 8.5 1.5 1.5 9.5 9.5 ns t pzh t pzl output enable time to high and low level 2 1.5 1.5 8.5 8.5 1.5 1.5 9.5 9.5 ns t phz t plz output disable time from high and low level 2 1.5 1.5 6.5 6.5 1.5 1.5 7.0 7.0 ns t s setup time, high or low dn to le 3 2.5 2.5 ns t h hold time, high or low dn to le 3 1.5 1.5 ns t w le pulse width, high 3 3.3 3.3 ns t oshl t oslh outputtooutput skew (note 3.) 1.0 1.0 ns 3. skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. the specification applies to any outputs switching in the same direction, either hightolow (t oshl ) or lowtohigh (t oslh ); parameter guaranteed by design. dynamic switching characteristics t a = +25 c symbol characteristic condition min typ max unit v olp dynamic low peak voltage (note 4.) v cc = 3.3v, c l = 50pf, v ih = 3.3v, v il = 0v 0.8 v v olv dynamic low valley voltage (note 4.) v cc = 3.3v, c l = 50pf, v ih = 3.3v, v il = 0v 0.8 v 4. number of outputs defined as ano. measured with an1o outputs switching from hightolow or lowtohigh. the remaining output is measured in the low state. capacitive characteristics symbol parameter condition typical unit c in input capacitance v cc = 3.3v, v i = 0v or v cc 7 pf c out output capacitance v cc = 3.3v, v i = 0v or v cc 8 pf c pd power dissipation capacitance 10mhz, v cc = 3.3v, v i = 0v or v cc 25 pf
mc74lcx573 lcx data br1339 e rev 3 5 motorola waveform 1 propagation delays t r = t f = 2.5ns, 10% to 90%; f = 1mhz; t w = 500ns 2.7v 0v v oh v ol dn on t phl t plh waveform 2 output enable and disable times t r = t f = 2.5ns, 10% to 90%; f = 1mhz; t w = 500ns 2.7v 0v 0v oe on t pzh 3.0v t phz t pzl t plz on 1.5v 1.5v 1.5v 1.5v 1.5v 1.5v figure 1. ac waveforms 1.5v v cc v oh 0.3v v ol + 0.3v gnd 1.5v waveform 3 le to on propagation delays, le minimum pulse width, dn to le setup and hold times t r = t f = 2.5ns, 10% to 90%; f = 1mhz; t w = 500ns except when noted 2.7v 0v dn le 1.5v on 2.7v 0v v oh v ol t plh , t phl t w 1.5v 1.5v 1.5v t h t s open pulse generator r t dut v cc r l r 1 c l 6v gnd test switch t plh , t phl open t pzl , t plz 6v open collector/drain t plh and t phl 6v t pzh , t phz gnd c l = 50pf or equivalent (includes jig and probe capacitance) r l = r 1 = 500 w or equivalent r t = z out of pulse generator (typically 50 w ) figure 2. test circuit
mc74lcx573 motorola lcx data br1339 e rev 3 6 outline dimensions dw suffix plastic soic package case 751d04 issue e m suffix plastic soic eiaj package case 96701 issue o min min max max millimeters inches dim a b c d f g j k m p r 0.510 0.299 0.104 0.019 0.035 0.012 0.009 7 0.415 0.029 0.499 0.292 0.093 0.014 0.020 0.010 0.004 0 0.395 0.010 12.95 7.60 2.65 0.49 0.90 0.32 0.25 7 10.55 0.75 12.65 7.40 2.35 0.35 0.50 0.25 0.10 0 10.05 0.25 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 0.150 (0.006) per side. 5. dimension d does not include dambar protrusion. allowable dambar protrusion shall be 0.13 (0.005) total in excess of d dimension at maximum material condition. 1.27 bsc 0.050 bsc a b p 10 pl 110 11 20 t d 20 pl k c seating plane r x 45 m 0.010 (0.25) b m m 0.010 (0.25) t a b m s s g 18 pl f j 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 12.35 12.80 0.486 0.504 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 --- 0.81 --- 0.032 a 1 a b c d e e l m z h e q 1 l e 10 0 10 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). z d h e e 1 20 11 10 b a 1 e l l e q 1 m view p detail p 0.13 (0.005) m 0.10 (0.004) c a
mc74lcx573 lcx data br1339 e rev 3 7 motorola outline dimensions sd suffix plastic ssop package case 940c03 issue b dt suffix 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: 6 dimensioning and tolerancing per ansi y14.5m, 1982. 7 controlling dimension: millimeter. 8 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. 9 dimension b does not include interlead flash or protrusion. interlead flash or protrusion shall not exceed 0.25 (0.010) per side. 10 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. 11 terminal numbers are shown for reference only. 12 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 20 11 10 1 h a b f m k 20x ref s u m 0.12 (0.005) v s t l l/2 pin 1 ident s u m 0.20 (0.008) t v u d c 0.076 (0.003) g t seating plane detail e n n 0.25 (0.010) ??? ??? k j j1 k1 section nn dim a min max min max inches 7.07 7.33 0.278 0.288 millimeters b 5.20 5.38 0.205 0.212 c 1.73 1.99 0.068 0.078 d 0.05 0.21 0.002 0.008 f 0.63 0.95 0.024 0.037 g 0.65 bsc 0.026 bsc h 0.59 0.75 0.023 0.030 j 0.09 0.20 0.003 0.008 j1 0.09 0.16 0.003 0.006 k 0.25 0.38 0.010 0.015 k1 0.25 0.33 0.010 0.013 notes: 13 dimensioning and tolerancing per ansi y14.5m, 1982. 14 controlling dimension: millimeter. 15 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. 16 dimension b does not include interlead flash or protrusion. interlead flash or protrusion shall not exceed 0.15 (0.006) per side. 17 dimension k does not include dambar protrusion/intrusion. allowable dambar protrusion shall be 0.13 (0.005) total in excess of k dimension at maximum material condition. dambar intrusion shall not reduce dimension k by more than 0.07 (0.002) at least material condition. 18 terminal numbers are shown for reference only. 19 dimension a and b are to be determined at datum plane w. l 7.65 7.90 0.301 0.311 m 0 8 0 8 detail e w
mc74lcx573 motorola lcx data br1339 e rev 3 8 motorola reserves the right to make changes without further notice to any products herein. motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does motorola 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 consequential or incidental damages. atypicalo parameters which may be provided in motorola 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. motorola does not convey any license under its patent rights nor the rights of others. motorola 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 motorola product could create a situation where personal injury or death may occur. should buyer purchase or use motorola products for any such unintended or unauthorized application, buyer shall indemnify and hold motorola 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 unauthorized use, even if such claim alleges that motorola was negligent regarding the design or manufacture of the part. motorola and are registered trademarks of motorola, inc. motorola, inc. is an equal opportunity/affirmative action employer. how to reach us: usa / europe / locations not listed : motorola literature distribution; japan : nippon motorola ltd.; tatsumispdjldc, 6f seibubutsuryucenter, p.o. box 5405, denver, colorado 80217. 18004412447 3142 tatsumi kotoku, tokyo 135, japan. 038135218315 mfax ? : rmfax0@email.sps.mot.com t ouchtone 6022446609 asia / pacific : motorola semiconductors h.k. ltd.; 8b tai ping industrial park, internet : http://designnet.com 51 ting kok r oad, tai po, n.t., hong kong. 85226629298 mc74lcx573/d ?
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