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SN54LVTH244A的基本参数
  • 制造厂商：TI（德州仪器，Texas Instruments）
  • 产品类别：逻辑和电压转换
  • 技术类目：缓冲器、驱动器和收发器 - 同相缓冲器和驱动器
  • 功能描述：具有总线保持、TTL 兼容型 CMOS 输入和三态输出的军用 8 通道、2.7V 至 3.6V 缓冲器
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SN54LVTH244A的产品详情：

These octal buffers and line drivers are designed specifically for low-voltage (3.3-V) VCC operation, but with the capability to provide a TTL interface to a 5-V system environment.

The ’LVTH244A devices are organized as two 4-bit line drivers with separate output-enable (OE)\ inputs. When OE\ is low, the devices pass data from the A inputs to the Y outputs. When OE\ is high, the outputs are in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

These devices are fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down. The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down, which prevents driver conflict.

SN54LVTH244A的优势和特性：
  • Support Mixed-Mode Signal Operation (5-V Input and Output Voltages With 3.3-V VCC)
  • Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C
  • Support Unregulated Battery Operation Down to 2.7 V
  • Ioff and Power-Up 3-State Support Hot Insertion
  • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
  • Latch-Up Performance Exceeds 500 mA Per JESD 17
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)

SN54LVTH244A的参数（英文）：
  • Technology Family
  • LVT
  • Supply voltage (Min) (V)
  • 2.7
  • Supply voltage (Max) (V)
  • 3.6
  • Number of channels (#)
  • 8
  • IOL (Max) (mA)
  • 48
  • ICC (Max) (uA)
  • 5000
  • IOH (Max) (mA)
  • -24
  • Input type
  • TTL-Compatible CMOS
  • Output type
  • 3-State
  • Features
  • Ultra high speed (tpd <5ns), Partial power down (Ioff), Over-voltage tolerant inputs, Power up 3-state, Bus-hold
  • Rating
  • Military
SN54LVTH244A具体的完整产品型号参数及价格（美元）：

SN54LVTH244A的完整型号有：5962-9584401Q2A、5962-9584401QRA、5962-9584401QSA、SNJ54LVTH244AFK、SNJ54LVTH244AJ、SNJ54LVTH244AW，以下是这些产品的关键参数及官网采购报价：

5962-9584401Q2A，工作温度：-55 to 125，封装：LCCC (FK)-20，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网5962-9584401Q2A的批量USD价格：26.453（1000+）

5962-9584401QRA，工作温度：-55 to 125，封装：CDIP (J)-20，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网5962-9584401QRA的批量USD价格：20.032（1000+）

5962-9584401QSA，工作温度：-55 to 125，封装：CFP (W)-20，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网5962-9584401QSA的批量USD价格：27.248（1000+）

SNJ54LVTH244AFK，工作温度：-55 to 125，封装：LCCC (FK)-20，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网SNJ54LVTH244AFK的批量USD价格：26.453（1000+）

SNJ54LVTH244AJ，工作温度：-55 to 125，封装：CDIP (J)-20，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网SNJ54LVTH244AJ的批量USD价格：20.032（1000+）

SNJ54LVTH244AW，工作温度：-55 to 125，封装：CFP (W)-20，包装数量MPQ：1个，MSL 等级/回流焊峰值温度：N/A for Pkg Type，引脚镀层/焊球材料：SNPB，TI官网SNJ54LVTH244AW的批量USD价格：27.248（1000+）

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