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Nicht invertierende Puffer & Treiber

SN74ABT162827A

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20-Kanal-Puffer, 4,5 V bis 5,5 V, mit TTL-kompatiblen CMOS-Eingängen und Tri-State-Ausgängen

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Datenblatt

SN74ABT162827A

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Produktdetails

Technology family ABT Number of channels 20 IOL (max) (mA) 12 Supply current (max) (µA) 32000 IOH (max) (mA) -12 Input type TTL-Compatible CMOS Output type 3-State Features Balanced outputs, Damping resistors, Over-voltage tolerant inputs, Partial power down (Ioff), Power up 3-state, Ultra high speed (tpd <5ns) Rating Catalog Operating temperature range (°C) -40 to 85
Technology family ABT Number of channels 20 IOL (max) (mA) 12 Supply current (max) (µA) 32000 IOH (max) (mA) -12 Input type TTL-Compatible CMOS Output type 3-State Features Balanced outputs, Damping resistors, Over-voltage tolerant inputs, Partial power down (Ioff), Power up 3-state, Ultra high speed (tpd <5ns) Rating Catalog Operating temperature range (°C) -40 to 85
SSOP (DL) 56 190.647 mm² (18.42 mm × 10.35 mm) TSSOP (DGG) 56 113.4 mm² (14 mm × 8.1 mm)
  • Members of the Texas Instruments Widebus™ Family
  • Output Ports Have Equivalent 25- Series Resistors, So No External Resistors Are Required
  • High-Impedance State During Power Up and Power Down
  • Typical VOLP (Output Ground Bounce)
        < 1 V at VCC= 5 V, TA = 25°C
  • Distributed VCC and GND Pin Minimizes High-Speed Switching Noise
  • Ioff and Power-Up 3-State Support Hot Insertion
  • Flow-Through Architecture Optimizes PCB Layout
  • Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)

Widebus is a trademark of Texas Instruments.
  • Members of the Texas Instruments Widebus™ Family
  • Output Ports Have Equivalent 25- Series Resistors, So No External Resistors Are Required
  • High-Impedance State During Power Up and Power Down
  • Typical VOLP (Output Ground Bounce)
        < 1 V at VCC= 5 V, TA = 25°C
  • Distributed VCC and GND Pin Minimizes High-Speed Switching Noise
  • Ioff and Power-Up 3-State Support Hot Insertion
  • Flow-Through Architecture Optimizes PCB Layout
  • Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)

Widebus is a trademark of Texas Instruments.

The ’ABT162827A devices are noninverting 20-bit buffers composed of two 10-bit buffers with separate output-enable signals. For either 10-bit buffer, the two output-enable (1OE1\ and 1OE2\, or 2OE1\ and 2OE2\) inputs must both be low for the corresponding Y outputs to be active. If either output-enable input is high, the outputs of that 10-bit buffer are in the high-impedance state.

The outputs, which are designed to source or sink up to 12 mA, include equivalent 25- series resistors to reduce overshoot and undershoot.

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.

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

The ’ABT162827A devices are noninverting 20-bit buffers composed of two 10-bit buffers with separate output-enable signals. For either 10-bit buffer, the two output-enable (1OE1\ and 1OE2\, or 2OE1\ and 2OE2\) inputs must both be low for the corresponding Y outputs to be active. If either output-enable input is high, the outputs of that 10-bit buffer are in the high-impedance state.

The outputs, which are designed to source or sink up to 12 mA, include equivalent 25- series resistors to reduce overshoot and undershoot.

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.

To ensure the high-impedance state during power up or power down, OE\ shall be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
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* Datenblatt SN54ABT162827A, SN74ABT162827A datasheet (Rev. F) 08.06.2004

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SN74ABT162827A Behavioral SPICE Model

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SSOP (DL) 56 Ultra Librarian
TSSOP (DGG) 56 Ultra Librarian
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