74LVT244A-Q100; 74LVTH244A-Q100

3.3 V octal buffer/line driver; 3-state

The 74LVT244A-Q100; 74LVTH244A-Q100 is a high-performance BiCMOS product designed for VCC operation at 3.3 V.

This device is an octal buffer that is ideal for driving bus lines. The device features two output enables (1OE, 2OE), each controlling four of the 3-state outputs.

This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 3) and is suitable for use in automotive applications.

Features and benefits

  • Automotive product qualification in accordance with AEC-Q100 (Grade 3)
    • Specified from -40 °C to +85 °C
  • Octal bus interface
  • 3-state buffers
  • Output capability: +64 mA and -32 mA
  • TTL input and output switching levels
  • Input and output interface capability to systems at 5 V supply
  • Bus hold data inputs eliminate need for external pull-up resistors to hold unused inputs
  • Live insertion and extraction permitted
  • Power-up 3-state
  • No bus current loading when output is tied to 5 V bus
  • Latch-up protection
    • JESD78 Class II exceeds 500 mA
  • ESD protection:
    • MIL-STD-883, method 3015 exceeds 2000 V
    • HBM JESD22-A114F exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0 Ω)
  • DHVQFN package with Side-Wettable Flanks enabling Automatic Optical Inspection (AOI) of solder joints


Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)fmax (MHz)No of bitsPower dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74LVT244ABQ-Q100Production2.7 - 3.6TTL-0.51508medium-40~85777.948DHVQFN20
74LVT244AD-Q100Production2.7 - 3.6TTL-0.51508medium-40~858426.360SO20
74LVT244APW-Q100Production2.7 - 3.6TTL-0.51508medium-40~851004.444TSSOP20
74LVTH244ABQ-Q100Production2.7 - 3.6TTL-0.51508medium-40~85777.948DHVQFN20
74LVTH244AD-Q100Production2.7 - 3.6TTL-0.51508medium-40~858426.360SO20
74LVTH244APW-Q100Production2.7 - 3.6TTL-0.51508medium-40~851004.444TSSOP20


Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
SOT764-1Reel 7” Q1/T1 or Q2/T3ActiveLVT244A74LVT244ABQ-Q100X
( 9353 020 78115 )
Reel 13" Q1/T1Active74LVT244AD74LVT244AD-Q100J
( 9353 004 69118 )
Reel 13" Q1/T1ActiveLVT244A74LVT244APW-Q100J
( 9353 004 71118 )
SOT764-1Reel 7” Q1/T1 or Q2/T3ActiveLVTH244A74LVTH244ABQ-Q100X
( 9353 020 77115 )
Reel 13" Q1/T1Active74LVTH244AD74LVTH244AD-Q100J
( 9353 016 23118 )
Reel 13" Q1/T1ActiveVTH244A74LVTH244APW-Q100J
( 9353 016 24118 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
74LVT244ABQ-Q10074LVT244ABQ-Q100X74LVT244ABQ-Q100Always Pb-free50.40.81.25E911
74LVT244AD-Q10074LVT244AD-Q100J74LVT244AD-Q100Always Pb-free50.40.81.25E911
74LVT244APW-Q10074LVT244APW-Q100J74LVT244APW-Q100Always Pb-free50.40.81.25E911
74LVTH244ABQ-Q10074LVTH244ABQ-Q100X74LVTH244ABQ-Q100Always Pb-free50.40.81.25E911
74LVTH244AD-Q10074LVTH244AD-Q100J74LVTH244AD-Q100Always Pb-free50.40.81.25E911
74LVTH244APW-Q10074LVTH244APW-Q100J74LVTH244APW-Q100Always Pb-free50.40.81.25E911
Quality and reliability disclaimer

Documentation (7)

File nameTitleTypeDate
74LVT_LVTH244A_Q1003.3 V octal buffer/line driver; 3-stateData sheet2020-08-24
lvt244alvt244a IBIS modelIBIS model2013-04-07
SOT764-1plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 20 terminals; 0.5 mm pitch; 4.5 mm x 2.5 mm x 1 mm bodyPackage information2021-08-17
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
SOT360-1plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.1 mm bodyPackage information2020-04-21
SOT163-1plastic, small outline package; 20 leads; 1.27 mm pitch; 12.8 mm x 7.5 mm x 2.65 mm bodyPackage information2020-04-21
WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08


If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.


File nameTitleTypeDate
lvt244alvt244a IBIS modelIBIS model2013-04-07


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