? semiconductor components industries, llc, 2008 october, 2008 ? rev. 4 1 publication order number: mc74vhc540/d mc74vhc540 octal bus buffer inverting the mc74vhc540 is an advanced high speed cmos inverting octal bus buffer fabricated with silicon gate cmos technology. it achieves high speed operation similar to equivalent bipolar schottky ttl while maintaining cmos low power dissipation. the mc74vhc540 features inputs and outputs on opposite sides of the package and two and ? ed active ? low output enables. when either oe1 or oe2 are high, the terminal outputs are in the high impedance state. the internal circuit is composed of three stages, including a buffer output which provides high noise immunity and stable output. the inputs tolerate voltages up to 7.0 v, allowing the interface of 5.0 v systems to 3.0 v systems. features high speed: t pd = 3.7 ns (typ) at v cc = 5.0 v low power dissipation: i cc = 4.0 a (max) at t a = 25 c high noise immunity: v nih = v nil = 28% v cc power down protection provided on inputs balanced propagation delays designed for 2.0 v to 5.5 v operating range low noise: v olp = 1.2 v (max) pin and function compatible with other standard logic families latchup performance exceeds 300 ma esd performance: hbm > 2000 v; machine model > 200 v chip complexity: 124 fets or 31 equivalent gates 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 inverting outputs figure 1. logic diagram soic ? 20 dw suffix case 751d 1 a = assembly location wl, l = wafer lot yy, y = year ww, w = work week g or = pb ? free package http://onsemi.com 20 marking diagrams vhc540 awlyywwg tssop ? 20 dt suffix case 948e 1 1 20 vhc 540 alyw l l h x l l x h l h x x function table inputs output y oe1 oe2 a h l z z see detailed ordering and shipping information in the package dimensions section on page 5 of this data sheet. ordering information a5 a3 a2 a1 oe1 gnd a8 a7 a6 a4 5 4 3 2 1 10 9 8 7 6 14 15 16 17 18 19 20 11 12 13 y3 y2 y1 oe2 v cc y8 y7 y6 y5 y4 pin assignment
mc74vhc540 http://onsemi.com 2 ??????????????????????? ??????????????????????? v cc dc supply voltage ? 0.5 to + 7.0 v v in dc input voltage ? 0.5 to + 7.0 v v out dc output voltage ? 0.5 to v cc + 0.5 v i ik input diode current ? 20 ma i ok output diode current 20 ma i out dc output current, per pin 25 ma i cc dc supply current, v cc and gnd pins 75 ma p d power dissipation in still air, soic packages? tssop package? 500 450 mw t stg storage t emperature ? 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 absolute ? maximum ? rated conditions is not implied. ?derating ? soic packages: ? 7 mw/ c from 65 to 125 c tssop package: ? 6.1 mw/ c from 65 to 125 c recommended operating conditions symbol parameter min max unit v cc dc supply voltage 2.0 5.5 v v in dc input voltage 0 5.5 v v out dc output voltage 0 v cc v t a operating temperature, all package t ypes ? 55 + 125 c t r , t f input rise and fall time v cc = 3.3v 0.3v (figure 1) v cc =5.0v 0.5v 0 0 100 20 ns/v dc electrical characteristics symbol parameter test conditions v cc v t a = 25 c t a = ? 55 to 125 c unit min typ max min max v ih minimum high ? level input v oltage 2.0 3.0 to 5.5 1.50 v cc x 0.7 1.50 v cc x 0.7 v v il maximum low ? level input v oltage 2.0 3.0 to 5.5 0.50 v cc x 0.3 0.50 v cc x 0.3 v v oh minimum high ? level output v oltage v in = v ih or v il i oh = ? 50 a 2.0 3.0 4.5 1.9 2.9 4.4 2.0 3.0 4.5 1.9 2.9 4.4 v v in = v ih or v il i oh = ? 4ma i oh = ? 8ma 3.0 4.5 2.58 3.94 2.48 3.80 v ol maximum low ? level output v oltage v in = v ih or v il i ol = 50 a 2.0 3.0 4.5 0.0 0.0 0.0 0.1 0.1 0.1 0.1 0.1 0.1 v v in = v ih or v il i ol = 4ma i ol = 8ma 3.0 4.5 0.36 0.36 0.44 0.44 this device contains protection circuitry to guard against damage due to high static voltages or electric fields. however, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high ? impedance cir- cuit. for proper operation, v in and v out should be constrained to the range gnd (v in or v out ) v cc . unused inputs must always be tied to an appropriate logic voltage level (e.g., either gnd or v cc ). unused outputs must be left open.
mc74vhc540 http://onsemi.com 3 dc electrical characteristics symbol unit t a = ? 55 to 125 c t a = 25 c v cc v test conditions parameter symbol unit max min max typ min v cc v test conditions parameter i in maximum input leakage current v in = 5.5v or gnd 0 to 5.5 0.1 1.0 a i oz maximum three ? state leakage current v in = v il or v ih v out = v cc or gnd 5.5 0.25 2.5 a i cc maximum quiescent supply current v in = v cc or gnd 5.5 4.0 40.0 a ac electrical characteristics (input t r = t f = 3.0ns) symbol parameter test conditions t a = 25 c t a = ? 55 to 125 c unit min typ max min max t plh , t phl maximum propagation delay, a to y (figures 1 and 3) v cc = 3.3 0.3v c l = 15pf c l = 50pf 4.8 7.3 7.0 10.5 1.0 1.0 8.5 12.0 ns v cc = 5.0 0.5v c l = 15pf c l = 50pf 3.7 5.2 5.0 7.0 1.0 1.0 6.0 8.0 t pzl , t pzh output enable time, oen to y (figures 2 and 4) v cc = 3.3 0.3v c l = 15pf r l = 1k c l = 50pf 6.8 9.3 10.5 14.0 1.0 1.0 12.5 16.0 ns v cc = 5.0 0.5v c l = 15pf r l = 1k c l = 50pf 4.7 6.2 7.2 9.2 1.0 1.0 8.5 10.5 t plz , t phz output disable time, oen to y (figures 2 and 4) v cc = 3.3 0.3v c l = 50pf r l = 1k 11.2 15.4 1.0 17.5 ns v cc = 5.0 0.5v c l = 50pf r l = 1k 6.0 8.8 1.0 10.0 t oslh , t oshl output to output skew v cc = 3.3 0.3v c l = 50pf (note 1) 1.5 ns v cc = 5.0 0.5v c l = 50pf (note 1) 1.0 ns c in maximum input capacitance 4 10 10 pf c out maximum three ? state output capacitance (output in high impedance state) 6 pf c pd power dissipation capacitance (note 2) typical @ 25 c, v cc = 5.0v pf 17 1. parameter guaranteed by design. t oslh = |t plhm ? t plhn |, t oshl = |t phlm ? t phln |. 2. c pd is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption with out load. average operating current can be obtained by the equation: i cc(opr ) = c pd v cc f in + i cc / 8 (per bit). c pd is used to determine the no ? load dynamic power consumption; p d = c pd v cc 2 f in + i cc v cc . noise characteristics (input t r = t f = 3.0ns, c l = 50pf, v cc = 5.0v) symbol parameter t a = 25 c unit typ max v olp quiet output maximum dynamic v ol 0.9 1.2 v v olv quiet output minimum dynamic v ol ? 0.9 ? 1.2 v v ihd minimum high level dynamic input v oltage 3.5 v v ild maximum low level dynamic input v oltage 1.5 v
mc74vhc540 http://onsemi.com 4 figure 2. v cc gnd a y t phl oe1 or oe2 50% v cc gnd y t pzl y t pzh high impedance v ol +0.3v v oh -0.3v high impedance t plz t phz 50% v cc 50% v cc t plh 50% figure 3. switching wa veforms 50% v cc 50% c l * *includes all probe and jig capacitance test point device under test output test circuits figure 4. figure 5. c l * *includes all probe and jig capacitance test point device under test output 1k connect to v cc when testing t plz and t pzl . connect to gnd when testing t phz and t pzh . input equivalent circuit input
mc74vhc540 http://onsemi.com 5 ordering information device package shipping ? mc74vhc540dw soic ? 20 38 units / rail mc74vhc540dwr2 soic ? 20 1000 units / tape & reel MC74VHC540DWR2G soic ? 20 (pb ? free) mc74vhc540dt tssop ? 20 75 units / rail mc74vhc540dtr2 tssop ? 20 2500 units / tape & reel mc74vhc540dtr2g tssop ? 20 (pb ? free) ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specification brochure, brd801 1/d.
mc74vhc540 http://onsemi.com 6 package dimensions tssop ? 20 dt suffix case 948e ? 02 issue c 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 n ? n 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 7.06 16x 0.36 16x 1.26 0.65 dimensions: millimeters 1 pitch soldering footprint
mc74vhc540 http://onsemi.com 7 package dimensions 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. soic ? 20 dw suffix case 751d ? 05 issue g on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for an y 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, in cluding without limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different a pplications and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s technical e xperts. 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 prod uct could create a s ituation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indem nify and hold scillc and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney f ees 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 scillc was neglig ent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. mc74vhc540/d publication ordering information n. american technical support : 800 ? 282 ? 9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81 ? 3 ? 5773 ? 3850 literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303 ? 675 ? 2175 or 800 ? 344 ? 3860 toll free usa/canada fax : 303 ? 675 ? 2176 or 800 ? 344 ? 3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your loca sales representative
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