SN74LV8151中文资料具有 TTL 兼容型 CMOS 输入的 10 通道、2V 至 5.5V 缓冲器数据手册TI规格书

描述 Description

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.

特性 Features

• 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)    CC = 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)