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SN54LVTH162245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:缓冲器、驱动器和收发器 - 通用收发器
  • 功能描述:具有三态输出的 3.3V ABT 16 位总线收发器
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SN54LVTH162245的产品详情:

The 'LVTH162245 devices are 16-bit (dual-octal) noninverting 3-state transceivers designed for low-voltage (3.3-V) VCC operation, but with the capability to provide a TTL interface to a 5-V system environment.

These devices can be used as two 8-bit transceivers or one 16-bit transceiver. The devices allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses are effectively isolated.

The logic levels of the direction-control (DIR) input and the output-enable (OE) input activate either the B-port outputs or the A-port outputs or place both output ports into the high-impedance mode. The device transmits data from the A bus to the B bus when the B-port outputs are activated, and from the B bus to the A bus when the A-port outputs are activated. The input circuitry on both A and B ports is always active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

The A-port outputs, which are designed to source or sink up to 12 mA, include equivalent 22- series resistors to reduce overshoot and undershoot.

When VCC is between 0 and 1.5 V, the devices are in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 1.5 V, 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.

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.

SN54LVTH162245的优势和特性:
  • Members of the Texas Instruments Widebus? Family
  • A-Port Outputs Have Equivalent 22- Series Resistors, So No External Resistors Are Required
  • 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
  • Distributed VCC and GND Pins Minimize High-Speed Switching Noise
  • Flow-Through Architecture Optimizes PCB Layout
  • 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)
    • 1000-V Charged-Device Model (C101)

Widebus is a trademark of Texas Instruments.

SN54LVTH162245的参数(英文):
  • IOL (Max) (mA)
  • 48
  • IOH (Max) (mA)
  • -48
  • Technology Family
  • LVT
  • Rating
  • Military
  • Operating temperature range (C)
  • -55 to 125
SN54LVTH162245具体的完整产品型号参数及价格(美元):

SN54LVTH162245的完整型号有:5962-9678001QXA、SNJ54LVTH162245WD,以下是这些产品的关键参数及官网采购报价:

5962-9678001QXA,工作温度:-55 to 125,封装:CFP (WD)-48,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5962-9678001QXA的批量USD价格:47.487(1000+)

SNJ54LVTH162245WD,工作温度:-55 to 125,封装:CFP (WD)-48,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SNJ54LVTH162245WD的批量USD价格:47.487(1000+)

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SN54LVTH162245的评估套件:

5962-9678001QXA,工作温度:-55 to 125,封装:CFP (WD)-48,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5962-9678001QXA的批量USD价格:47.487(1000+)

SNJ54LVTH162245WD,工作温度:-55 to 125,封装:CFP (WD)-48,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SNJ54LVTH162245WD的批量USD价格:47.487(1000+)

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