MC74HC244A Octal 3 State Noninverting Buffer/Line Driver/ Line Receiver

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1 Ocal Sae Noninvering uffer/line Driver/ Line Receiver High Performance Silicon Gae COS The C74HC244 is idenical in pinou o he LS244. The device inpus are compaible wih sandard COS oupus; wih pullup resisors, hey are compaible wih LSTTL oupus. This ocal noninvering buffer/line driver/line receiver is designed o be used wih sae memory address drivers, clock drivers, and oher bus oriened sysems. The device has noninvering oupus and wo acive low oupu enables. The HC244 is similar in funcion o he HC240. Feaures Oupu Drive Capabiliy: 5 LSTTL Loads Oupus Direcly Inerface o COS, NOS, and TTL Operaing Volage Range: 2.0 o 6.0 V Low Inpu Curren: High Noise Immuniy Characerisic of COS Devices In Compliance wih he Requiremens Defined by JEDEC Sandard No. 7 Chip Complexiy: 6 FETs or 4 Equivalen Gaes Pb Free Packages are vailable* PDIP N SUFFIX CSE 78 SOIC DW SUFFIX CSE 75D TSSOP DT SUFFIX CSE 948E RKING DIGRS C74HC244N WLYYWWG HC244 WLYYWWG HC 244 LYW SOEIJ F SUFFIX CSE HC244 WLYWWG = ssembly Locaion WL, L = Wafer Lo YY, Y = Year WW, W = Work Week G = Pb Free Package = Pb Free Package (Noe: icrodo may be in eiher locaion) ORDERING INFORTION See deailed ordering and shipping informaion in he package dimensions secion on page 2 of his daa shee. *For addiional informaion on our Pb Free sraegy and soldering deails, please download he ON Semiconducor Soldering and ouning Techniques Reference anual, SOLDERR/D. Semiconducor Componens Indusries, LLC, 06 Publicaion Order Number: C74HC244/D

2 PIN SSIGNENT LOGIC DIGR ENLE 2 8 Y Y ENLE Y Y2 2 4 Y 5 6 Y Y2 Y 2 DT INPUTS Y Y4 Y NONINVERTING OUTPUTS Y Y Y2 Y FUNCTION TLE Inpus Oupus Enable, Enable, Y, Y L L L L H H H X Z Z = high impedance OUTPUT ENLES 4 7 ENLE ENLE 9 Y4 PIN = PIN 0 = ORDERING INFORTION Device Package Shipping C74HC244N PDIP 8 Unis / Rail C74HC244NG PDIP 8 Unis / Rail C74HC244DW SOIC WIDE 8 Unis / Rail C74HC244DWG SOIC WIDE 8 Unis / Rail C74HC244DWR2 SOIC WIDE 000 Tape & Reel C74HC244DWR2G SOIC WIDE 000 Tape & Reel C74HC244DT TSSOP * 75 Unis / Rail C74HC244DTG TSSOP * 75 Unis / Rail C74HC244DTR2 TSSOP * 2500 Tape & Reel C74HC244DTR2G TSSOP * 2500 Tape & Reel C74HC244F SOEIJ 40 Unis / Rail C74HC244FG SOEIJ 40 Unis / Rail C74HC244FEL SOEIJ 00 Tape & Reel C74HC244FELG SOEIJ 00 Tape & Reel For informaion on ape and reel specificaions, including par orienaion and ape sizes, please refer o our Tape and Reel Packaging Specificaions rochure, RD80/D. *This package is inherenly Pb Free. 2

3 XIU RTINGS Symbol Parameer Î Value Uni DC Supply Volage (Referenced o ) Î 0.5 o V V in DC Inpu Volage (Referenced o ) Î 0.5 o V V ou DC Oupu Volage (Referenced o ) Î 0.5 o V I in DC Inpu Curren, per Pin Î ± m I ou DC Oupu Curren, per Pin Î ± 5 m I CC DC Supply Curren, and Pins Î ± 75 m P D Power Dissipaion in Sill ir, Plasic DIP Î 750 mw SOIC Package 500 Î TSSOP Package Î 450 T sg Sorage Temperaure Î 65 o + 50 C T L Lead Temperaure, mm from Case for 0 Seconds (Plasic DIP, SOIC, SSOP or TSSOP 260 C Package) Sresses exceeding aximum Raings may damage he device. aximum Raings are sress raings only. Funcional operaion above he Recommended Operaing Condiions is no implied. Exended exposure o sresses above he Recommended Operaing Condiions may affec device reliabiliy. Deraing Plasic DIP: 0 mw/ C from 65 o 25 C SOIC Package: 7 mw/ C from 65 o 25 C TSSOP Package: 6. mw/ C from 65 o 25 C For high frequency or heavy load consideraions, see Chaper 2 of he ON Semiconducor High Speed COS Daa ook (DL29/D). RECOENDED OPERTING CONDITIONS Symbol Parameer in ax Uni DC Supply Volage (Referenced o ) V V in, V ou DC Inpu Volage, Oupu Volage (Referenced o ) 0 V T Operaing Temperaure, ll Package Types C r, f Inpu Rise and Fall Time = 2.0 V ns (Figure ) V Î CC = 4.5 V = 6.0 V DC ELECTRICL CHRCTERISTICS (Volages Referenced o ) Î Guaraneed Limi Î Symbol Parameer Î Tes Condiions 55 o V 25 C 85 C 25 C Uni V IH inimum High Level Inpu Volage Î V ou = 0. V V Î ou Î V IL aximum Low Level Inpu Volage V ou = 0. V V ou Î V OH inimum High Level Oupu Î V in = V IH Volage Î ou Î V 4.4 Î V in = V IH ou 2.4 m Î ou 6.0 m ou 7.8 m V OL aximum Low Level Oupu Î V in = V IL Volage Î ou Î V Î V in = V IL ou 2.4 m Î ou 6.0 m ou 7.8 m Î aximum Inpu Leakage Curren Î V in = or 6.0 ± 0. ±.0 ±.0 I in This device conains proecion circuiry o guard agains damage due o high saic volages or elecric fields. However, precauions mus be aken o avoid applicaions of any volage higher han maximum raed volages o his high impedance circui. For proper operaion, V in and V ou should be consrained o he range (V in or V ou ). Unused inpus mus always be ied o an appropriae logic volage level (e.g., eiher or ). Unused oupus mus be lef open.

4 DC ELECTRICL CHRCTERISTICS (Volages Referenced o ) Î Guaraneed Limi V CC 55 o Symbol Parameer Tes Condiions V 25 C 85 C 25 C Uni I OZ aximum Three Sae Leakage Oupu in High Impedance Sae Î Curren Î V in = V IL or V IH 6.0 Î ± 0.5 ± 5.0 ± 0 V ou = or I CC aximum Quiescen Supply Curren (per Package) Î I ou = V in = or Î 60 NOTE: Informaion on ypical parameric values and high frequency or heavy load consideraions can be found in Chaper 2 of he ON Semiconducor High Speed COS Daa ook (DL29/D). C ELECTRICL CHRCTERISTICS (C L = 50 pf, Inpu r = f = 6 ns) Guaraneed Limi 55 o Symbol Parameer V 25 C 85 C 25 C Uni Î PLH, aximum Propagaion Delay, o Y or o Y ns PHL (Figures and ) Î PLZ, aximum Propagaion Delay, Oupu Enable o Y or Y ns PHZ (Figures 2 and 4) Î PZL, aximum Propagaion Delay, Oupu Enable o Y or Y ns PZH (Figures 2 and 4) Î TLH, aximum Oupu Transiion Time, ny Oupu ns THL (Figures and ) Î C in aximum Inpu Capaciance pf C ou aximum Three Sae Oupu Capaciance Î (Oupu in High Impedance Sae) pf NOTE: For propagaion delays wih loads oher han 50 pf, and informaion on ypical parameric values, see Chaper 2 of he ON Semiconducor High Speed COS Daa ook (DL29/D). 25 C, = 5.0 V C PD Power Dissipaion Capaciance (Per uffer)* 4 pf * Used o deermine he no load dynamic power consumpion: P D = C PD V 2 CC f + I CC. For load consideraions, see Chaper 2 of he ON Semiconducor High Speed COS Daa ook (DL29/D). SWITCHING WVEFORS DT INPUT OR OUTPUT Y OR Y r PLH TLH 0% 0% f PHL THL ENLE OR OUTPUT Y OUTPUT Y PZL PZH PLZ PHZ 0% HIGH IPEDNCE V OL V OH HIGH IPEDNCE Figure. Figure 2. 4

5 PCKGE DIENSIONS PDIP N SUFFIX PLSTIC DIP PCKGE CSE 78 0 ISSUE E 0 NOTES:. DIENSIONING ND TOLERNCING PER NSI Y4.5, CONTROLLING DIENSION: INCH.. DIENSION L TO CENTER OF LED WHEN FORED PRLLEL. 4. DIENSION DOES NOT INCLUDE OLD FLSH. T SETING PLNE G E F D PL N K C 0.25 (0.00) T L J PL 0.25 (0.00) T INCHES ILLIETERS DI IN X IN X C D E SC.27 SC F G 0.00 SC 2.54 SC J K L 0.00 SC 7.62 SC N SOIC DW SUFFIX CSE 75D 05 ISSUE G H 0X 0.25 D E h X 45 NOTES:. DIENSIONS RE IN ILLIETERS. 2. INTERPRET DIENSIONS ND TOLERNCES PER SE Y4.5, DIENSIONS D ND E DO NOT INCLUDE OLD PROTRUSION. 4. XIU OLD PROTRUSION 0.5 PER SIDE. 5. DIENSION DOES NOT INCLUDE DR PROTRUSION. LLOWLE PROTRUSION SHLL E 0. TOTL IN EXCESS OF DIENSION T XIU TERIL CONDITION. X 0.25 T S 8X e 0 S T SETING PLNE C L ILLIETERS DI IN X C D E e.27 SC H h L

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