? semiconductor components industries, llc, 2006 october, 2006 ? rev. 4 1 publication order number: ne521/d ne521 high?speed dual?differential comparator/sense amp features ? ttl-compatible strobes and outputs ? large common-mode input voltage range ? operates from standard supply voltages ? pb ? free packages are available applications ? mos memory sense amp ? a-to-d conversion ? high-speed line receiver maximum ratings rating symbol value unit supply voltage positive negative v+ v ? +7.0 ? 7.0 v differential input v oltage v idr 6.0 v input v oltage common mode strobe/gate v in 5.0 +5.25 v maximum power dissipation (note 1) t a = 25 c (still ? air) n package d package p d 1420 1040 mw thermal resistance, junction ? to ? ambient n package d package r ja 100 145 c/w operating temperature range t a 0 to 70 c storage temperature range t stg ? 65 to +150 c operating junction temperature t j 150 c lead soldering temperature (10 sec max) t sld +230 c stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliability. 1. derate above 25 c at the following rates: n package at 10 mw/ c d package at 6.9 mw/ c. http://onsemi.com see detailed ordering and shipping information in the package dimensions section on page 5 of this data sheet. ordering information pin connections soic ? 14 d suffix case 751a input 1a input 1b nc v+ v ? input 2a input 2b output 1y strobe 1g ground nc output 2y strobe 2g d, n packages strobe s 1 2 3 4 5 6 7 14 13 12 11 10 9 8 (top view) 1 pdip ? 14 n suffix case 646 1 ne521g awlyww 1 marking diagrams ne521n awlyywwg a = assembly location wl = wafer lot y, yy = year ww = work week g = pb ? free package 1 14 14
ne521 http://onsemi.com 2 logic function table v id (a + , b) strobe s strobe g output (y) v id ? v os h h l ? v os < v id < v os h h undefined v id v os h h h x l x h x x l h figure 1. block diagram (12) input 2a (11) input 2b (9) output 3y (8) strobe 2g (1) (2) (4) (5) input 1a input 1b output 1y strobe 1g (6) strobe s q11 v+ 14 2 ? + 1 v ? 13 r2 r1 q2 q1 q4 q3 d7 q9 r4 q10 q8 r5 r3 d6 r17 q6 r16 q5 q13 r15 r6 r9 q19 q7 r14 5 d2 q25 r20 6 r21 q26 q30 r24 r23 q27 q29 q28 r25 7 12 + ? 11 v+ r8 q16 q15 q14 r12 r11 q18 r10 q17 d4 q20 q21 r7 d5 q22 q23 r18 r19 d3 8 q24 q31 r26 q32 r27 r28 q36 r29 r30 q32 q35 9 q34 r34 r22 4 figure 2. equivalent schematic d1
ne521 http://onsemi.com 3 dc electrical characteristics (v+ = +5.0 v; v ? = ? 5.0 v, t a = 0 c to +70 c, unless otherwise noted.) characteristic test conditions symbol limits unit min typ max input offset voltage at 25 c overtemperature range v+ = +4.75 v; v ? = ? 4.75 v v os ? ? 6.0 ? 7.5 10 mv input bias current at 25 c overtemperature range v+ = +5.25 v; v ? = ? 5.25 v i bias ? ? 7.5 ? 20 40 a input offset current at 25 c overtemperature range v+ = +5.25 v; v ? = ? 5.25 v i os ? ? 1.0 ? 5.0 12 a common-mode voltage range v+ = +4.75 v; v ? = ? 4.75 v v cm ? 3.0 ? +3.0 v input current high v+ = +5.25 v; v ? = ? 5.25 v v ih = 2.7 v 1g or 2g strobe common strobe s i ih ? ? ? ? 50 100 a input current low v il = 0.5 v 1g or 2g strobe common strobe s i il ? ? ? ? ? 2.0 ? 4.0 ma output v oltage high low v i(s) = 2.0 v v+ = +4.75 v; v ? = ? 4.75 v; i load = ? 1.0 ma v+ = +5.25 v; v ? = ? 5.25 v; i load = 20 ma v oh v ol 2.7 3.4 0.5 v supply v oltage positive negative ? v+ v ? 4.75 ? 4.75 5.0 ? 5.0 5.25 ? 5.25 v supply current positive negative v+ = +5.25 v; v ? = ? 5.25 v; t a = 25 c i cc+ i cc ? ? ? 27 ? 15 35 ? 28 ma short ? circuit output current ? i sc ? 40 ? ? 100 ma ac electrical characteristics (t a = 25 c; r l = 280 ; c l = 15 pf, v+ = 5.0 v; v ? = 5.0 v, guaranteed by characterization) characteristic from input to output symbol limits unit min typ max large ? signal switching speed propagation delay low to high (note 2) high to low (note 2) low to high (note 3) high to low (note 3) amp amp strobe strobe output output output output t plh(d) t phl(d) t plh(s) t phl(s) ? ? ? ? 9.6 8.2 4.8 3.9 12 9.0 10 6.0 ns max. operating frequency ? ? f max 40 55 ? mhz 2. response time measured from 0 v point of 100 mv p-p 10 mhz square wave to the 1.5 v point of the output. 3. response time measured from 1.5 v point of input to 1.5 v point of the output.
ne521 http://onsemi.com 4 typical performance characteristics 20mv 5mv 10mv 4 3 2 1 0 100 50 0 0 5 10 15 20 25 30 v s = + 5v t a = 25 o c 100mv time ? ns input voltage (mv) output voltage (v) t a = 25 o c v s = + 5v 5mv 10mv 100mv 50mv 0 5 10 15 20 25 30 time ? ns input voltage (mv) output voltage (v) 4 3 2 1 0 100 50 0 input voltage (mvp ? p) propagation delay (ns) v s = +5v 10mhz square wave input t a = 25 o c tpd (lh) tpd (hl) 10 20 30 40 50 60 70 12 10 8 6 20 18 16 14 12 10 8 6 4 2 100 1000 input voltage (m vp ? p) propagation delay (ns) v s = +5v 10mhz square wave input t a = 25 o c tpd (lh) tpd (hl) 4.0 3.0 2.0 1.0 ? 75 ? 25 +25 +75 v ol v oh ambient temperature ( o c) output voltage (v) ? 75 ? 25 +25 +75 +125 ambient temperature ( o c) 12 11 10 9 8 7 6 inpt bias current ( a) 1.1 1.0 0.9 0.8 0.7 0.6 0.5 ? 75 ? 25 +25 +75 +125 ambient temperatures ( o c) input ofset current ( a) 12 10 8 6 4 2 60 20 ? 20 +60 +100 +140 tpd (lh) tpd (hl) ambient temperature ( o c) tesponse time (ns) figure 3. response time for various input overdrives figure 4. response time for various input overdrives figure 5. response time vs. temperature figure 6. propagation delay for various input voltages figure 7. propagation delay for various input voltages figure 8. output voltage vs. ambient temperature figure 9. input bias current vs. ambient temperature figure 10. input offset current vs. ambient temperature +125
ne521 http://onsemi.com 5 ordering information device temperature range package shipping ? ne521d 0 to +70 c soic ? 14 55 units/rail ne521dg soic ? 14 (pb ? free) ne521dr2 soic ? 14 2500/t ape & reel NE521DR2G soic ? 14 (pb ? free) ne521n pdip ? 14 25 units/rail ne521ng pdip ? 14 (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.
ne521 http://onsemi.com 6 package dimensions soic ? 14 case 751a ? 03 issue h 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 7.04 14x 0.58 14x 1.52 1.27 dimensions: millimeters 1 pitch soldering footprint* 7x *for additional information on our pb ? free strategy and soldering details, please download the on semiconductor soldering and mounting t echniques reference manual, solderrm/d.
ne521 http://onsemi.com 7 package dimensions pdip ? 14 case 646 ? 06 issue p 17 14 8 b a dim min max min max millimeters inches a 0.715 0.770 18.16 19.56 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 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. 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 ne521/d 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 local sales representative
|
