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  to learn more about on semiconductor, please visit our website at www.onsemi.com please note: as part of the fairchild semiconductor integration, some of the fairchild orderable part numbers will need to change in order to meet on semiconductors system requirements. since the on semiconductor product management systems do not have the ability to manage part nomenclature that utilizes an underscore (_), the underscore (_) in the fairchild part numbers will be changed to a dash (-). this document may contain device numbers with an underscore (_). please check the on semiconductor website to verify the updated device numbers. the most current and up-to-date ordering information can be found at www.onsemi.com . please email any questions regarding the system integration to fairchild_questions@onsemi.com . is now part of on semiconductor and the on semiconductor logo are trademarks of semico nductor components industries, llc dba on semiconductor or its subsid iaries in the united states and/or other countries. on semiconductor ow ns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellec tual property. a listing of on semiconductor?s product/patent cover age may be accessed at www.onsemi.com/site/pdf/patent-marking.pdf . on semiconductor reserves the right to make changes without further notice to any products herein. on semicon ductor makes no warranty, representation or guarantee regarding the s uitability of its products for any particular purpose, nor does on semico nductor assume any liability arising out of the application or use of any product or circuit, and speci?ca lly disclaims any and all liability, including without limitation spe cial, consequential or incidental damages. buyer is responsible for i ts products and applications using on semiconductor products, including compliance with all laws, regul ations and safety requirements or standards, regardless of any suppor t or applications information provided by on semiconductor. ?typica l? parameters which may be provided in on semiconductor data sheets and/or speci?cations can and do vary in diffe rent applications and actual performance may vary over time. all operat ing parameters, including ?typicals? must be validated for each custo mer application by customer?s technical experts. on semiconductor does not convey any license und er its patent rights nor the rights of others. on semiconductor products a re not designed, intended, or authorized for use as a critical compone nt in life support systems or any fda class 3 medical devices or medical devices with a same or similar classi?ca tion in a foreign jurisdiction or any devices intended for implantation i n the human body. should buyer purchase or use on semiconductor products fo r any such unintended or unauthorized application, buyer shall indemnify and hold on semico nductor and its of?cers, employees, subsidiaries, af?liates, and di stributors harmless against all claims, costs, damages, and expense s, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associa ted with such unintended or unauthorized use, even if such claim alleges th at on semiconductor was negligent regarding the design or manufacture o f the part. on semiconductor is an equal opportunity/af?rmative action employer. this literatu re is subject to all applicable copyright laws and is not for resale in any manne r.
74AC240, 74act240 octal buffer/line driver with 3-state outputs ?2006 fairchild semiconductor corporation www.fairchildsemi.com 74AC240, 74act240 rev. 1.2.0 jan uary 2008 74AC240, 74act240octal buffer/line driver with 3-state outputs features i cc and i oz reduced by 50% inverting 3-state outputs drive bus lines or buffer memory address registers outputs source/sink 24ma act240 has ttl-compatible inputs general description the ac/act240 is an octal buffer and line driverdesigned to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved pc board density. ordering information device also available in tape and reel. specify by appending suffix letter x to the ordering number. all packages are lead free per jedec: j-std-020b standard. order number package number package description 74AC240sc m20b 20-lead small outline integrated circuit (soic), jedec ms-013, 0.300" wide 74AC240sj m20d 20-lead small outline package (sop), eiaj type ii, 5.3mm wide 74AC240mtc mtc20 20-lead thin shrink small outline package (tssop), jedec mo-153, 4.4mm wide 74AC240pc n20a 20-lead plastic dual-in-line package (pdip), jedec ms-001, 0.300" wide 74act240sc m20b 20-lead small outline integrated circuit (soic), jedec ms-013, 0.300" wide 74act240sj m20d 20-lead small outline package (sop), eiaj type ii, 5.3mm wide 74act240mtc mtc20 20-lead thin shrink small outline package (tssop), jedec mo-153, 4.4mm wide 74act240pc n20a 20-lead plastic dual-in-line package (pdip), jedec ms-001, 0.300" wide
?2006 fairchild semiconductor corporation www.fairchildsemi.com 74AC240, 74act240 rev. 1.2.0 2 74AC240, 74act240 octal buffer/line driver with 3-state outputs connection diagrampin description logic symbol ieee/iec truth tables h = high voltage level l = low voltage level x = immaterial z = high impedance pin names description oe 1 , oe 2 3-state output enable inputs i 0 Ci 7 inputs o 0 Co 7 outputs 12 3 4 5 6 7 8 9 10 2019 18 17 16 15 14 13 12 11 oe 1 i 0 o 4 i 1 o 5 i 2 o 6 i 3 o 7 gnd v cc oe 2 o 0 i 4 o 1 i 5 o 2 i 6 o 3 i 7 inputs outputs (pins 12, 14, 16, 18) oe 1 i n ll h lh l hx z inputs outputs (pins 3, 5, 7, 9) oe 2 i n ll h lh l hx z o 0 oe 1 en i 0 o 1 i 1 o 2 i 2 o 3 i 3 o 4 i 4 o 5 i 5 o 6 i 6 o 7 i 7 oe 2 en
?2006 fairchild semiconductor corporation www.fairchildsemi.com 74AC240, 74act240 rev. 1.2.0 3 74AC240, 74act240 octal buffer/line driver with 3-state outputs absolute maximum ratings stresses exceeding the absolute maximum ratings may damage the device. the device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. in addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. the absolute maximum ratings are stress ratings only. recommended operating conditions the recommended operating conditions table defines the conditions for actual device operation. recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. fairchild does not recommend exceeding them or designing to absolute maximum ratings. symbol parameter rating v cc supply voltage 0.5v to + 7.0v i ik dc input diode current v i = 0.5v 20ma v i = v cc + 0.5 + 20ma v i dc input voltage 0.5v to v cc + 0.5v i ok dc output diode current v o = 0.5v 20ma v o = v cc + 0.5v + 20ma v o dc output voltage 0.5v to v cc + 0.5v i o dc output source or sink current 50ma i cc or i gnd dc v cc or ground current per output pin 50ma t stg storage temperature 65 c to + 150 c t j j unction temperature 140 c symbol parameter rating v cc supply voltage ac 2.0v to 6.0v act 4.5v to 5.5v v i input voltage 0v to v cc v o output voltage 0v to v cc t a operating temperature 40 c to + 85 c ? v / ? t minimum input edge rate, ac devices: v in from 30% to 70% of v cc , v cc @ 3.3v, 4.5v, 5.5v 125mv/ns ? v / ? t minimum input edge rate, act devices: v in from 0.8v to 2.0v, v cc @ 4.5v, 5.5v 125mv/ns
?2006 fairchild semiconductor corporation www.fairchildsemi.com 74AC240, 74act240 rev. 1.2.0 4 74AC240, 74act240 octal buffer/line driver with 3-state outputs dc electrical characteristics for ac notes: 1. all outputs loaded; thresholds on input associated with output under test. 2. i in and i cc @ 3.0v are guaranteed to be less than or equal to the respective limit @ 5.5v v cc . 3. maximum test duration 2.0ms, one output loaded at a time. symbol parameter v cc (v) conditions t a = + 25 ct a = 40 c to + 85 c units typ. guaranteed limits v ih minimum high level input voltage 3.0 v out = 0.1v or v cc C 0.1v 1.5 2.1 2.1 v 4.5 2.25 3.15 3.15 5.5 2.75 3.85 3.85 v il maximum low level input voltage 3.0 v out = 0.1v or v cc C 0.1v 1.5 0.9 0.9 v 4.5 2.25 1.35 1.35 5.5 2.75 1.65 1.65 v oh minimum high level output voltage 3.0 i out = C50a 2.99 2.9 2.9 v 4.5 4.49 4.4 4.4 5.5 5.49 5.4 5.4 3.0 v in = v il or v ih , i oh = C12ma 2.56 2.46 4.5 v in = v il or v ih , i oh = C24ma 3.86 3.76 5.5 v in = v il or v ih , i oh = C24ma (1) 4.86 4.76 v ol maximum low level output voltage 3.0 i out = 50a 0.002 0.1 0.1 v 4.5 0.001 0.1 0.1 5.5 0.001 0.1 0.1 3.0 v in = v il or v ih , i ol = 12ma 0.36 0.44 4.5 v in = v il or v ih , i ol = 24ma 0.36 0.44 5.5 v in = v il or v ih , i ol = 24ma (1) 0.36 0.44 i in (2) maximum input leakage current 5.5 v i = v cc , gnd 0.1 1.0 a i oz maximum 3-state leakage current 5.5 v i (oe) = v il , v ih ; v i = v cc , gnd; v o = v cc , gnd 0.25 2.5 a i old minimum dynamic output current (3) 5.5 v old = 1.65v max. 75 ma i ohd 5.5 v ohd = 3.85v min. -75 ma i cc (2) maximum quiescent supply current 5.5 v in = v cc or gnd 4.0 40.0 a
?2006 fairchild semiconductor corporation www.fairchildsemi.com 74AC240, 74act240 rev. 1.2.0 5 74AC240, 74act240 octal buffer/line driver with 3-state outputs dc electrical characteristics for actnotes: 4. all outputs loaded; thresholds on input associated with output under test. 5. maximum test duration 2.0ms, one output loaded at a time. symbol parameter v cc (v) conditions t a = + 25 ct a = 40 c to + 85 c units typ. guaranteed limits v ih minimum high level input voltage 4.5 v out = 0.1v or v cc 0.1v 1.5 2.0 2.0 v 5.5 1.5 2.0 2.0 v il maximum low level input voltage 4.5 v out = 0.1v or v cc 0.1v 1.5 0.8 0.8 v 5.5 1.5 0.8 0.8 v oh minimum high level output voltage 4.5 i out = 50a 4.49 4.4 4.4 v 5.5 5.49 5.4 5.4 4.5 v in = v il or v ih , i oh = 24ma 3.86 3.76 5.5 v in = v il or v ih , i oh = 24ma (4) 4.86 4.76 v ol maximum low level output voltage 4.5 i out = 50a 0.001 0.1 0.1 v 5.5 0.001 0.1 0.1 4.5 v in = v il or v ih , i ol = 24ma 0.36 0.44 5.5 v in = v il or v ih , i ol = 24ma (4) 0.36 0.44 i in maximum input leakage current 5.5 v i = v cc , gnd 0.1 1.0 a i oz maximum 3-state leakage current 5.5 v i = v il , v ih ; v o = v cc , gnd 0.25 2.5 a i cct maximum i cc /input 5.5 v i = v cc 2.1v 0.6 1.5 ma i old minimum dynamic output current (5) 5.5 v old = 1.65v max. 75 ma i ohd 5.5 v ohd = 3.85v min. 75 ma i cc maximum quiescent supply current 5.5 v in = v cc or gnd 4.0 40.0 a
?2006 fairchild semiconductor corporation www.fairchildsemi.com 74AC240, 74act240 rev. 1.2.0 6 74AC240, 74act240 octal buffer/line driver with 3-state outputs ac electrical characteristics for acnote: 6. voltage range 3.3 is 3.3v 0.3v. voltage range 5.0 is 5.0v 0.5v. ac electrical characteristics for actnote: 7. voltage range 5.0 is 5.0v 0.5v. capacitance symbol parameter v cc (v) (6) t a = + 25 c, c l = 50pf t a = 40 c to + 85 c, c l = 50pf units min. typ. max. min. max. t plh propagation delay data to output 3.3 1.5 6.0 8.0 1.0 9.0 ns 5.0 1.5 4.5 6.5 1.0 7.0 t phl propagation delay data to output 3.3 1.5 5.5 8.0 1.0 8.5 ns 5.0 1.5 4.5 6.0 1.0 6.5 t pzh output enable time 3.3 1.5 6.0 10.5 1.0 11.0 ns 5.0 1.5 5.0 7.0 1.0 8.0 t pzl output enable time 3.3 1.5 7.0 10.0 1.0 11.0 ns 5.0 1.5 5.5 8.0 1.0 8.5 t phz output disable time 3.3 1.5 7.0 10.0 1.0 10.5 ns 5.0 1.5 6.5 9.0 1.0 9.5 t plz output disable time 3.3 1.5 7.5 10.5 1.0 11.5 ns 5.0 1.5 6.5 9.0 1.0 9.5 symbol parameter v cc (v) (7) t a = + 25 c, c l = 50pf t a = 40 c to + 85 c, c l = 50pf units min. typ. max. min. max. t plh propagation delay, data to output 5.0 1.5 6.0 8.5 1.5 9.5 ns t phl propagation delay, data to output 5.0 1.5 5.5 7.5 1.5 8.5 ns t pzh output enable time 5.0 1.5 7.0 8.5 1.0 9.5 ns t pzl output enable time 5.0 2.0 7.0 9.5 1.5 10.5 ns t phz output disable time 5.0 2.0 8.0 9.5 2.0 10.5 ns t plz output disable time 5.0 2.5 6.5 10.0 2.0 10.5 ns symbol parameter conditions typ. units c in input capacitance v cc = open 4.5 pf c pd pow er dissipation capacitance v cc = 5.0v 45.0 pf
?2006 fairchild semiconductor corporation www.fairchildsemi.com 74AC240, 74act240 rev. 1.2.0 7 74AC240, 74act240 octal buffer/line driver with 3-state outputs physical dimensions figure 1. 20-lead small outline integrated circuit (soic), jedec ms-013, 0.300" wide pac kage drawings are provided as a service to customers considering fairchild components. drawings may change in any manner without notice. please note the revision and/or date on the drawing and contact a fairchild semiconductor representative to verify or obtain the most recent revision. package speci?cations do not expand the terms of fairchilds worldwide terms and conditions, speci?cally the warranty therein, which covers fairchild products. always visit fairchild semiconductors online packaging area for the most recent package drawings: http://www .f airchildsemi.com/pac kaging/ 0.10 c c a see detail a notes: unless otherwise specified a) this package conforms to jedec ms-013, variation ac, issue e b) all dimensions are in millimeters. c) dimensions do not include mold flash or burrs. e) landpattern standard: soic127p1030x265-20l pin one indicator 0.25 1 10 b c a m 20 11 b x45 8 0 seating plane gage plane detail a scale: 2:1 seating plane land pattern recommendation f) drawing filename: mkt-m20brev3 0.65 1.27 2.25 9.50 13.0012.60 11.43 7.607.40 10.6510.00 0.51 0.35 1.27 2.65 max 0.300.10 0.330.20 0.750.25 (r0.10) (r0.10) 1.27 0.40 (1.40) 0.25 d) conforms to asme y14.5m-1994
?2006 fairchild semiconductor corporation www.fairchildsemi.com 74AC240, 74act240 rev. 1.2.0 8 74AC240, 74act240 octal buffer/line driver with 3-state outputs physical dimensions (continued) figure 2. 20-lead small outline package (sop), eiaj type ii, 5.3mm wide pac kage drawings are provided as a service to customers considering fairchild components. drawings may change in any manner without notice. please note the revision and/or date on the drawing and contact a fairchild semiconductor representative to verify or obtain the most recent revision. package speci?cations do not expand the terms of fairchilds worldwide terms and conditions, speci?cally the warranty therein, which covers fairchild products. always visit fairchild semiconductors online packaging area for the most recent package drawings: http://www .f airchildsemi.com/pac kaging/
?2006 fairchild semiconductor corporation www.fairchildsemi.com 74AC240, 74act240 rev. 1.2.0 9 74AC240, 74act240 octal buffer/line driver with 3-state outputs physical dimensions (continued) figure 3. 20-lead thin shrink small outline package (tssop), jedec mo-153, 4.4mm wide pac kage drawings are provided as a service to customers considering fairchild components. drawings may change in any manner without notice. please note the revision and/or date on the drawing and contact a fairchild semiconductor representative to verify or obtain the most recent revision. package speci?cations do not expand the terms of fairchilds worldwide terms and conditions, speci?cally the warranty therein, which covers fairchild products. always visit fairchild semiconductors online packaging area for the most recent package drawings: http://www .f airchildsemi.com/pac kaging/
?2006 fairchild semiconductor corporation www.fairchildsemi.com 74AC240, 74act240 rev. 1.2.0 10 74AC240, 74act240 octal buffer/line driver with 3-state outputs physical dimensions (continued) figure 4. 20-lead plastic dual-in-line package (pdip), jedec ms-001, 0.300" wide pac kage drawings are provided as a service to customers considering fairchild components. drawings may change in any manner without notice. please note the revision and/or date on the drawing and contact a fairchild semiconductor representative to verify or obtain the most recent revision. package speci?cations do not expand the terms of fairchilds worldwide terms and conditions, speci?cally the warranty therein, which covers fairchild products. always visit fairchild semiconductors online packaging area for the most recent package drawings: http://www .f airchildsemi.com/pac kaging/ .001[.025] c 7 typ 7 typ 10.92 max 26.92 24.89 7.11 6.09 1.781.14 2.54 7.62 7.87 3.433.17 5.33 max 3.553.17 0.38 min 0.360.56 0.200.35 pin #1 notes: (0.97)
?2006 fairchild semiconductor corporation www.fairchildsemi.com 74AC240, 74act240 rev. 1.2.0 11 trademarks th ef ollowing includes registered and unregistered trademarks and service marks, owned by fairchild semiconductor and/or i ts global s ubsidiaries, and is not intended to be an exhaustive list of all such trademarks. acex ? build it now ? coreplus ? crossvolt ? ctl? current transfer logic? ecospark ? ezswit ch? * ? ? fairchild ? fairchild semiconductor ? fact quiet series? fact ? fast ? fastvcore ? flashwriter ?* fps ? frfet ? global power resource sm green fps ? green fps ? e-series ? gto ? i-lo ? intellimax ? isoplanar ? m egabuck? mi crocoupler ? microfet ? micropak ? mi llerdrive? mo ti on-spm? optologic ? optopl anar ? ? pdp-spm? pow er220 ? pow er247 ? poweredge ? power-spm ? po we rtrench ? pr ogrammable active droop ? qfet ? qs ? qt optoelectronics ? quiet series ? rapidconfigure ? smart start ? spm ? stealth? s uperfet ? su persot ? -3 s upersot ? -6 s upersot ? -8 syncfet? ? the power franchise ? tinyboost ? tinybuck ? tinylogic ? tinyopto ? tinypower ? tinypwm ? tinywire ? serdes ? uhc ? ultra f rfet ? unifet ? vcx ? *ezswi tch? and flashwriter ? are trademarks of system general corporation, used under license by fairchild semiconductor. disc laimer fai rchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function, or design. fairchild does not assume any liab ility arising out of the application or use of any pro duct or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. these speci fications do not expand t he terms of fairchilds wo rldw ide terms and conditions, specifically the warranty therein, which covers these products. life support policy fai rchilds products are not authorized for use as critical components in life support de vices or systems without the express written approval of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems wh ic h, (a) are intended for surgical implant into the body or (b) support or sustain life, and (c) whose failure to perform wh en properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. a critical component in any component of a life support, device, or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. pr oduct status definitions defi nition of terms da tasheet identification product status definition ad vance information form first production ative or in design this datasheet contains the design specifications for product development. specifications may change in any manner without notice. pr eliminary this datasheet contains preliminary data; supplementary data will be published at a later date. fairchild semiconductor reserves the right to ma ke c hanges at any time without notice to improve design. no identification needed full production this datasheet contains final specifications. fairchild semiconductor reserves the right to make changes at any time without notice to improve the desi gn. obsolete not in production this datasheet contains specifications on a product that has been discontinued by fairchild semiconductor. the datasheet is printed for reference information only. rev. i32 74AC240, 74act240 octal buffer/line driver with 3-state outputs
www. onsemi.com 1 on semiconductor and are trademarks of semiconductor components industries, llc dba on semiconductor or its subsidiaries i n the united states and/or other countries. on semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property . a listing of on semiconductors product/patent coverage may be accessed at www.onsemi.com/site/pdf/patent ? marking.pdf . on semiconductor reserves the right to make changes without further notice to any products herein. on semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does on semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including wi thout limitation special, consequential or incidental damages. buyer is responsible for its products and applications using on semiconductor products, including compliance with all laws, reg ulations and safety requirements or standards, regardless of any support or applications information provided by on semiconductor. typical parameters which may be provided in on semiconductor data sheets and/or specifications can and do vary in dif ferent applications and actual performance may vary over time. all operating parameters, including typic als must be validated for each customer application by customers technical experts. on semiconductor does not convey any license under its patent rights nor the right s of others. on semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any fda class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. should buyer purchase or use on semicondu ctor products for any such unintended or unauthorized application, buyer shall indemnify and hold on semiconductor and its officers, employees, subsidiaries, affiliates, and distrib utors 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 on semiconductor was negligent regarding the design or manufacture of the part. on semiconductor 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 ? 5817 ? 1050 www.onsemi.com literature fulfillment : literature distribution center for on semiconductor 19521 e. 32nd pkwy, aurora, colorado 80011 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 localsales representative ? semiconductor components industries, llc


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