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SN54LVTH574-SP的基本参数
  • 制造厂商:TI
  • 产品类别:逻辑和电压转换
  • 技术类目:触发器、锁存器和寄存器 - D 型触发器
  • 功能描述:具有三态输出的 3.3V ABT 八路边沿 D 类触发器
  • 点击这里打开及下载SN54LVTH574-SP的技术文档资料
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SN54LVTH574-SP的产品详情:

These octal flip-flops 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 eight flip-flops of the ’LVTH574 devices are edge-triggered D-type flip-flops. On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels set up at the data (D) inputs.

A buffered output-enable (OE\) input can be used to place the eight outputs in either a normal logic state (high or low logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without need for interface or pullup components.

OE\ does not affect the internal operations of the flip-flops. Old data can be retained or new data can be entered while 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.

SN54LVTH574-SP的优势和特性:
  • Support Mixed-Mode Signal Operation (5-V Input and Output Voltages With 3.3-V VCC)
  • Support Unregulated Battery Operation Down to 2.7 V
  • Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C
  • 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)

SN54LVTH574-SP的参数(英文):
  • Number of channels (#)
  • 8
  • Technology Family
  • LVT
  • Supply voltage (Min) (V)
  • 2.7
  • Supply voltage (Max) (V)
  • 3.6
  • Input type
  • TTL-Compatible CMOS
  • Output type
  • 3-State
  • Clock Frequency (Max) (MHz)
  • 150
  • IOL (Max) (mA)
  • 64
  • IOH (Max) (mA)
  • -32
  • ICC (Max) (uA)
  • 5000
  • Features
  • Ultra high speed (tpd <5ns), Over-voltage tolerant inputs, Partial power down (Ioff), Power up 3-state, Bus-hold
SN54LVTH574-SP具体的完整产品型号参数及价格(美元):

SN54LVTH574-SP的完整型号有:5962-9583201VSA,以下是这些产品的关键参数及官网采购报价:

5962-9583201VSA,工作温度:-55 to 125,封装:CFP (W)-20,包装数量MPQ:25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5962-9583201VSA的批量USD价格:196.966(1000+)

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SN54LVTH574-SP的评估套件:

5962-9583201VSA,工作温度:-55 to 125,封装:CFP (W)-20,包装数量MPQ:25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5962-9583201VSA的批量USD价格:196.966(1000+)

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