缓冲器/驱动器/收发器

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74LVT244A-Q100; 74LVTH244A-Q100

3.3 V octal buffer/line driver; 3-state

应用领域

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.

产品详情

特性

  • 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


参数类型

Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)fmax (MHz)Nr 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