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TI(德州仪器) SN74LV8151
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  • TI(德州仪器) SN74LV8151
  • TI(德州仪器) SN74LV8151
  • TI(德州仪器) SN74LV8151
  • TI(德州仪器) SN74LV8151
  • TI(德州仪器) SN74LV8151
  • TI(德州仪器) SN74LV8151
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SN74LV8151

SN74LV8151

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具有 TTL 兼容型 CMOS 输入的 10 通道、2V 至 5.5V 缓冲器

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The SN74LV8151 is a 10-bit universal Schmitt-trigger buffer with 3-state outputs, designed for 2-V to 5.5-V VCC operation. The logic control (T/C) pin allows the user to configure Y1 to Y8 as noninverting or inverting outputs. When T/C is high, the Y outputs are noninverted (true logic ), and when T/C is low, the Y outputs are inverted (complementary logic).

When output-enable (OE) input is low, the device passes data from Dn to Yn. When OE is high, the Y outputs are in the high-impedance state. The path A to P is a simple Schmitt-trigger buffer, and the path B to N is a simple Schmitt-trigger inverter.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

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.

  • 2-V to 5.5-V VCC Operation
  • Max tpd of 15 ns at 5 V
  • Schmitt-Trigger Inputs Allow for Slow Input Rise/Fall Time
  • Polarity Control for Y Outputs Selects True or Complementary Logic
  • Typical VOLP (Output Ground Bounce)
       <0.8 V at VCC = 3.3 V, TA = 25°C
  • Typical VOHV (Output VOH Undershoot)
       >>2.3 V at VCC = 3.3 V, TA = 25°C
  • Ioff Supports Partial-Power-Down Mode Operation
  • Supports Mixed-Mode Voltage Operation on All Ports
  • Latch-Up Performance Exceeds 250 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)

Technology familyLV-A
Supply voltage (min) (V)2
Supply voltage (max) (V)5.5
Number of channels10
IOL (max) (mA)12
Supply current (max) (µA)20
IOH (max) (mA)-12
Input typeSchmitt-Trigger
Output type3-State
FeaturesBalanced outputs, High speed (tpd 10-50ns), Over-voltage tolerant inputs, Partial power down (Ioff)
RatingCatalog
Operating temperature range (°C)-40 to 85
SOIC (DW)24159.65 mm² 15.5 x 10.3
TSSOP (PW)2449.92 mm² 7.8 x 6.4
TVSOP (DGV)2432 mm² 5 x 6.4
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