MC74AC244, MC74ACT244. Octal Buffer/Line Driver with 3 State Outputs

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1 Octal uffer/line Driver with 3State Outputs The C74C244/244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter/receiver which provides improved PC board density. Features 3State Outputs Drive us Lines or uffer emory ddress Registers Outputs Source/Sink 24 m CT244 Has TTL Compatible Inputs PbFree Packages are vailable* N SUFFIX CSE 738 CC OE W DW SUFFIX CSE 75D OE GND Pinout: 20Lead Packages Conductors (Top iew) TSSOP20 DT SUFFIX CSE 948E TRUTH TLE Inputs Outputs OE D (Pins 2, 4, 6, 8) L L L L H H H X Z NOTE: H = HIGH oltage Level L = LOW oltage Level X = Immaterial Z = High Impedance TRUTH TLE Inputs Outputs OE 2 D (Pins 3, 5, 7, 9) L L L L H H H X Z NOTE: H = HIGH oltage Level L = LOW oltage Level X = Immaterial Z = High Impedance SUFFIX CSE 967 ORDERING INFORTION See detailed ordering and shipping information in the package dimensions section on page 5 of this data sheet. DEICE RKING INFORTION See general marking information in the device marking section on page 6 of this data sheet. *For additional information on our PbFree strategy and soldering details, please download the ON Semiconductor Soldering and ounting Techniques Reference anual, SOLDERR/D. Semiconductor Components Industries, LLC, 2006 Publication Order Number: C74C244/D

2 XIU RTINGS Symbol Parameter alue Unit CC DC Supply oltage (Referenced to GND) 0.5 to +7.0 IN DC Input oltage (Referenced to GND) 0.5 to CC +0.5 OUT DC Output oltage (Referenced to GND) 0.5 to CC +0.5 I IN DC Input Current, per Pin ±20 m I OUT DC Output Sink/Source Current, per Pin ±50 m I CC DC CC or GND Current per Output Pin ±50 m T stg Storage Temperature 65 to +50 C Stresses exceeding aximum Ratings may damage the device. aximum 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. RECOENDED OPERTING CONDITIONS Symbol Parameter in Typ ax Unit CC Supply oltage C CT IN, OUT DC Input oltage, Output oltage (Ref. to GND) 0 CC t r, t f Input Rise and Fall Time (Note ) C Devices except Schmitt Inputs t r, t f Input Rise and Fall Time (Note 2) CT Devices except Schmitt Inputs ns/ T J Junction Temperature (PDIP) 40 C T Operating mbient Temperature Range C I OH Output Current High 24 m I OL Output Current Low 24 m. IN from 30% to 70% CC ; see individual Data Sheets for devices that differ from the typical input rise and fall times. 2. IN from to ; see individual Data Sheets for devices that differ from the typical input rise and fall times. ns/ 2

3 DC CHRCTERISTICS Symbol Parameter CC () T = +25 C T = 40 C to +85 C Unit Conditions Typ Guaranteed Limits IH inimum High Level Input oltage OUT = 0. or CC 0. IL aximum Low Level Input oltage OUT = 0. or CC 0. OH inimum High Level Output oltage I OUT = * IN = IL or IH 24 m I OH 24 m OL aximum Low Level Output oltage I OUT = * IN = IL or IH 24 m I OL 24 m I IN aximum Input Leakage Current ±0. ±.0 I = CC, GND I CCT dditional ax. I CC /Input m I = CC 2. I OZ aximum 3State Current ±0.5 ±5.0 I (OE) = IL, IH I = CC, GND O = CC, GND I OLD inimum Dynamic Output Current 75 m OLD =.65 ax I OHD 75 m OHD = 3.85 in I CC aximum Quiescent Supply Current IN = CC or GND *ll outputs loaded; thresholds on input associated with output under test. aximum test duration ms, one output loaded at a time. C CHRCTERISTICS Symbol Parameter CC * () T = +25 C C L = 50 pf T = 40 C to +85 C C L = 50 pf Unit Figure No. t PLH t PHL Propagation Delay Data to Output Propagation Delay Data to Output in Typ ax in ax ns ns 35 t PZH Output Enable Time ns 37 t PZL Output Enable Time ns 38 t PHZ Output Disable Time ns 37 t PLZ Output Disable Time ns 38 *oltage Range 5.0 is 5.0 ±0.5. CPCITNCE Symbol Parameter alue Typ Unit Test Conditions C IN Input Capacitance 4.5 pf CC = 5.0 C PD Power Dissipation Capacitance 45 pf CC = 5.0 4

4 ORDERING INFORTION C74C244N C74C244NG C244N C244NG Device Package Shipping 8 Units / Rail C74C244DW C74C244DWG C74C244DWR2 C74C244DWR2G C244DW C244DWG C244DWR2 C244DWR2G C74C244DTR2 C74C244DTR2G C244DTR2 C244DTR2G C74C244EL C74C244ELG C244 C244G 38 Units / Rail 000 / Tape & Reel 38 Units / Rail 000 / Tape & Reel 2500 / Tape & Reel 2000 / Tape & Reel 40 Units / Rail C244EL C244ELG 2000 / Tape & Reel For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications rochure, RD80/D. *These packages are inherently PbFree. 5

5 PCKGE DIENSIONS N SUFFIX PLSTIC DIP PCKGE CSE ISSUE E 20 0 NOTES:. DIENSIONING ND TOLERNCING PER NSI Y4.5, CONTROLLING DIENSION: INCH. 3. DIENSION L TO CENTER OF LED WHEN FORED PRLLEL. 4. DIENSION DOES NOT INCLUDE OLD FLSH. T SETING PLNE G E F D 20 PL N K C 0.25 (0.00) T L J 20 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 SC 7.62 SC N W DW SUFFIX CSE 75D05 ISSUE G H 0X 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 0.3 TOTL IN EXCESS OF DIENSION T XIU TERIL CONDITION. 20X 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