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74ALVC16244; 74ALVCH16244

2.5 V / 3.3 V 16-bit buffer/line driver; 3-state

The 74ALVC16244; 74ALVCH16244 is a 16-bit buffer/line driver with 3-state outputs. The device can be used as four 4-bit buffers, two 8-bit buffers or one 16-bit buffer. The device features four output enables (1OE, 2OE, 3OE and 4OE), each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. This device is fully specified for partial power down applications using IOFF. The IOFF circuitry disables the output, preventing the potentially damaging backflow current through the device when it is powered down.

The 74ALVCH16244 has active bus hold circuitry which is provided to hold unused or floating data inputs at a valid logic level. This feature eliminates the need for external pull-up or pull-down resistors.

Features and benefits

  • Wide supply voltage range from 1.2 V to 3.6 V

  • CMOS low power consumption

  • MultiByte flow-through standard pin-out architecture

  • Low inductance multiple VCC and GND pins for minimum noise and ground bounce

  • Overvoltage tolerant inputs to 5.5 V

  • Direct interface with TTL levels

  • IOFF circuitry provides partial Power-down mode operation

  • All data inputs have bushold (74ALVCH16244 only)

  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

  • Complies with JEDEC standards:

    • JESD8-7 (1.65 V to 1.95 V)

    • JESD8-5 (2.3 V to 2.7 V)

    • JESD8C (2.7 V to 3.6 V)

  • Output drive capability 50 Ω transmission lines at 85 °C

  • Current drive ±24 mA at 3.0 V

  • ESD protection:

    • HBM JESD22-A114-A exceeds 2000 V

    • MM JESD22-A115-A exceeds 200 V

Parametrics

Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)fmax (MHz)Nr of bitsPower dissipation considerationsTamb (°C)Rth(j-a) (K/W)Rth(j-c) (K/W)Package name
74ALVC16244DGGProduction1.2 - 3.6LVTTL± 2415016low-40~858235TSSOP48
74ALVCH16244DGGProduction1.2 - 3.6LVTTL± 2415016low-40~858235TSSOP48

Package

Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
74ALVC16244DGG
TSSOP48
(SOT362-1) 		SOT362-1SSOP-TSSOP-VSO-WAVE
SOT362-1_118ActiveALVC16244 Standard Procedure Standard Procedure ALVC1624474ALVC16244DGG,118
( 9352 518 00118 )
74ALVCH16244DGG
TSSOP48
(SOT362-1) 		SOT362-1SSOP-TSSOP-VSO-WAVE
SOT362-1_118ActiveALVCH1624474ALVCH16244DGG:11
( 9352 051 00118 )

The variants in the table below are discontinued. See the table Discontinuation information for more information.

Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
74ALVCH16244DGG
TSSOP48
(SOT362-1) 		SOT362-1SSOP-TSSOP-VSO-WAVE
SOT362-1_112Withdrawn / End-of-lifeALVCH1624474ALVCH16244DGG,11
( 9352 051 00112 )

Discontinuation information

Type numberOrderable part number, (Ordering code (12NC))Last time buy dateLast time delivery dateReplacement productStatusComments
74ALVC16244DGG935251800518
74ALVC16244DGG935251800512
74ALVC16244DGG9352518001122021-12-312022-06-3074ALVC16244DGG
    74ALVCH16244DGG9352051001122021-06-302021-12-3174ALVCH16244DGG
      74ALVCH16244DGG935205100518
      74ALVCH16244DGG935205100512

      Environmental information

      Type numberOrderable part numberChemical contentRoHSRHF-indicatorLeadfree conversion date
      74ALVC16244DGG74ALVC16244DGG,11874ALVC16244DGGAlways Pb-free
      74ALVCH16244DGG74ALVCH16244DGG:1174ALVCH16244DGGAlways Pb-free

      The variants in the table below are discontinued. See the table Discontinuation information for more information.

      Type numberOrderable part numberChemical contentRoHSRHF-indicatorLeadfree conversion date
      74ALVCH16244DGG74ALVCH16244DGG,1174ALVCH16244DGGAlways Pb-free
      Quality and reliability disclaimer

      Documentation (5)

      File nameTitleTypeDate
      74ALVC_ALVCH162442.5 V / 3.3 V 16-bit buffer/line driver; 3-stateData sheet2021-07-22
      alvc16244alvc16244 IBIS modelIBIS model2013-04-07
      alvch16244alvch16244 IBIS modelIBIS model2013-04-07
      SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
      SOT362-1plastic thin shrink small outline package; 48 leads; body width 6.1 mmPackage information2024-01-05

      Support

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      Models

      File nameTitleTypeDate
      alvc16244alvc16244 IBIS modelIBIS model2013-04-07
      alvch16244alvch16244 IBIS modelIBIS model2013-04-07

      Ordering, pricing & availability

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