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FAIRCHILD 74LVX244 Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs handbook

1. te r FAIRCHILD ee SEMICONDUCTOR 74LVX244 February 1993 Revised April 2005 Low Voltage Octal Buffer Line Driver with 3 STATE Outputs General Description The LVX244 is an octal non inverting buffer and line driver designed to be employed as a memory address driver clock driver and bus oriented transmitter or receiver which provides improved PC board density The inputs tolerate up to 7V allowing interface of 5V systems to 3V systems Features E Input voltage translation from 5V to 3V E Ideal for low powe E Guaranteed simu dynamic threshold r low noise 3 3V applications ltaneous switching noise level and performance Ordering Code Order Number Package Number Package Description 74LVX244M M20B 20 Lead Small Outline Integrated Circuit SOIC JEDEC MS 013 0 300 Wide 74LVX244SJ M20D Pb Free 20 Lead Small Outline Package SOP EIAJ TYPE Il 5 3mm Wide 74LVX244MTC MTC20 20 Lead Thin Shrink Small Outline Package TSSOP JEDEC MO 153 4 4mm Wide Devices also available in Tape and Reel Specify by appending suffix letter X to the ordering code Pb Free package per JEDEC J STD 020B Logic Symbol IEEE IEC Connection Diagram Pin Descriptions Pin Names Description OE OE 3 STATE Output Enable Inputs lo lz Inputs Oo 07 Outputs Truth Tables Inputs Outputs OE Ih Pins 12 14 16 18 L L H H H FA Inputs Outputs
2. OE In Pins 3 5 7 9 L L i H H H xX Z H HIGH Voltage Level X Immaterial L LOW Voltage Level Z High Impedance 2005 Fairchild Semiconductor Corporation DS011552 www fairchildsemi com s nd no JLYLS UUM J Auq 9U17 Ng 1890 HLYOA MOT PHZXATHL 74LVX244 Absolute Maximum Ratingsvnote 1 Supply Voltage Vcc DC Input Diode Current lik Vi 0 5V DC Input Voltage V DC Output Diode Current lox Vo 0 5V Vo Vec 0 5V DC Output Voltage Vo DC Output Source 0 5V to 7 0V 20 mA 0 5V to 7V 20 mA 20 mA 0 5V to Voc 0 5V Recommended Operating Conditions Note 2 Supply Voltage Vcc 2 0V to 3 6V Input Voltage V OV to 5 5V Output Voltage Vo OV to Voc Operating Temperature T 40 C to 85 C Input Rise and Fall Time At AV 0 ns V to 100 ns V Note 1 The Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed The device should not be operated at these limits The parametric values defined in the Electrical or Sink Current lo 25 mA Characteristics tables are not guaranteed at the absolute maximum ratings The Recommended Operating Conditions table will define the conditions DC Vec or Ground Current for actual device operation loc or lenp 75 mA Note 2 Unused inputs must be held HIGH or LOW They
3. Propagation Delay 2 7 6 1 11 4 0 13 5 C_ 15 pF tPHL Time 8 6 14 9 0 17 0 C 50 pF 3 3 0 3 47 7A 0 8 5 C 15 pF 7 2 10 6 0 12 0 C 50 pF tPzL 3 STATE Output 2 7 71 13 8 0 16 5 C 15 pF tpzH Enable Time RL 1kQ 9 6 17 3 0 20 0 C 50 pF RL 1ka 3 3 0 3 5 5 8 8 0 10 5 a C_ 15 pF RL 1kQ 8 0 12 3 0 14 0 C 50 pF RL 1kO tpLz 3 STATE Output 2 7 11 6 16 0 0 19 0 C 50 pF tpuz Disable Time 3 3403 9 7 11 4 0 13 0 a RL 1kQ tOSLH Output to Output 2 7 1 1 5 C 50 pF tosu Skew Note 4 33 T5 TS E Note 4 Parameter guaranteed by design tosLH ltPLHm tPLHnl tosHt ltpHim tPHLnl Capacitance Ta 25 C Ta 40 C to 85 C Symbol Parameter Units Min Typ Max Min Max Cin Input Capacitance 4 10 10 pF Cout Output Capacitance 6 pF Cpp Power Dissipation Capacitance Note 5 19 pF Note 5 Cpp is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load Average operating current can be obtained by the equation Icciopr 8 per bit Cep X Voc X fin Icc www fairchildsemi com vVCXATIbL 74LVX244 Physical Dimensions inches millimeters unless otherwise noted 0 291 0 299 7 391 7 595 0 010 0 029 0 258 0 737 9 t 8 MAX TYP ALL LEADS 0 009 0 013 am P el EE 0 102 0 016 0 050 0 229 0 330 ALL LEAD TIPS 0 406 1 270 TYP ALL LEADS TYP ALL LEADS 0 4
4. 96 0 512 12 598 13 005 0 394 0 419 10 008 10 643 30 TYP LEADNO 1b IDENT a Y y 1 2 3 4 5 6 7 8 9 10 0 010 max 0 254 0 093 0 104 2 362 2 642 0 004 0 012 0 102 0 305 x 4 SEATING 4 PLANE 0 014 0 020 qyp 0 356 0 508 1 270 TYP 0 008 typ 0 203 M208 REV F1 20 Lead Small Outline Integrated Circuit SOIC JEDEC MS 013 0 300 Wide Package Number M20B www fairchildsemi com Physical Dimensions inches millimeters unless otherwise noted Continued 12 6 0 10 AS 0 40 TYP 20 19 12 11 1 5 01 TYP 5 3 0 10 1 9 27 TYP 1 2 i 2 13 TYP i AMAN oi 40 ALLLEAD TIPS Jl z L 1 27 TYP 0 6 TYP LAND PATTERN RECOMMENDATION ee SEE DETAIL A 1 80 1 gt 7 PIN 1 IDENT I VER N L LL 0 150 05 NX Z 0 15 0 25 4 1 27 TYP 0 35 0 51 DIMENSIONS ARE IN MILLIMETERS GAGE PLANE Ay 0 25 oe PLANE 1 25 oy NOTES 0 8 TYP A CONFORMS TO EIAJ EDR 7320 REGISTRATION ESTABLISHED IN DECEMBER 1998 B DIMENSIONS ARE IN MILLIMETERS t C DIMENSIONS ARE EXCLUSIVE OF BURRS MOLD 0 60 0 15 FLASH AND TIE BAR EXTRUSIONS M20DRevB1 DETAIL A Pb Free 20 Lead Small Outline Package SOP EIAJ TYPE Il 5 3mm Wide Package Number M20D 5 www fairchil
5. dsemi com vVCXATbL 74LVX244 Low Voltage Octal Buffer Line Driver with 3 STATE Outputs Physical Dimensions inches millimeters unless otherwise noted Continued 6 4 4 440 1 E3 ile Bal UL UW UL WU are ao lise A ne CBA 0 6 ae 10 ALL LEAD TIPS PIN 1 IDENT LAND PATTERN RECOMMENDATION aije SEE DETAIL A ALL LEAD TIPS 90 015 ye 7 0 10 Yee olp e A i 12 max CEIS at 010 057 wA 0 09 0 207 0 65 0 19 0 30 0 10 4 BS OS pices t RO 09mi DIMENSIONS ARE IN MILLIMETERS va eves 0 84 EJ 7 ies pe NOIES er PLANE A CONFORMS TO JEDEC REGISTRATION MO 153 VARIATION AC 6 0 REF NOTE 6 DATE 7 93 0 0Snin 00 B DIMENSIONS ARE IN MILLIMETERS C DIMENSIONS ARE EXCLUSIVE OF BURRS MOLDS FLASH AND TIE BAR EXTRUSIONS DETAIL A p DIMENSIONS AND TOLERANCES PER ANSI Y14 5M 1982 MTCeOREV DI 20 Lead Thin Shrink Small Outline Package TSSOP JEDEC MO 153 4 4mm Wide Package Number MTC20 Fairchild does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitr
6. may not float Storage Temperature Tstg 65 C to 150 C Power Dissipation 180 mW DC Electrical Characteristics Ta 25 C Ta 40 C to 85 C Symbol Parameter Vec Units Conditions Min Typ Max Min Max Vin HIGH Level Input 2 0 1 5 125 Voltage 3 0 2 0 2 0 Vv 3 6 2 4 2 4 ViL LOW Level Input 2 0 0 5 0 5 Voltage 3 0 0 8 0 8 V 3 6 0 8 0 8 VoH HIGH Level Output 2 0 1 9 2 0 1 9 Vin Vin Or Vi lop 50 pA Voltage 3 0 2 9 3 0 2 9 Vv oH 50 uA 3 0 2 58 2 48 oH 4 mA VoL LOW Level Output 2 0 0 0 0 1 0 1 Vin Vin Or Vit lop 50 uA Voltage 3 0 0 0 0 1 0 1 Vv oL 50 pA 3 0 0 36 0 44 loL 4mA loz 3 STATE Output 3 6 0 25 2 5 uA Vin Vin Or Vit Off State Current Vout Vcc or GND lin Input Leakage Current 3 6 0 1 1 0 HA Vin 5 5V or GND loc Quiescent Supply Current 3 6 4 0 40 0 HA Vin Vec or GND Noise Characteristics Note 3 Vec Ta 25 C Symbol Parameter Units C pF V Typ Limit VoLP Quiet Output Maximum Dynamic VoL 3 3 0 5 0 8 Vv 50 Vov Quiet Output Minimum Dynamic VoL 3 3 0 5 0 8 Vv 50 VinD Minimum HIGH Level Dynamic Input Voltage 3 3 2 0 V 50 Vip Maximum LOW Level Dynamic Input Voltage 3 3 0 8 Vv 50 Note 3 Input t t 3 ns www fairchildsemi com AC Electrical Characteristics Voc Ta 25 C Ta 40 C to 85 C Symbol Parameter Units Conditions V Min Typ Max Min Max tpLH
7. y and specifications LIFE SUPPORT POLICY FAIRCHILD S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or systems which a are intended for surgical implant into the body or b support or sustain life and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be rea sonably expected to result in a significant injury to the user 2 A critical component in any component of a life support device or system whose failure to perform can be rea sonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness www fairchildsemi com www fairchildsemi com

FAIRCHILD 74LVX244 Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs handbook

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