SN74LVC162244A 具有三态输出的 16 位缓冲器/驱动器

SN74LVC162244A 描述

This 16-bit buffer/driver is designed for 1.65-V to 3.6-V VCC operation.

The SN74LVC162244A is designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The device can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer. It provides true outputs and symmetrical active-low output-enable (OE) inputs.

The outputs, which are designed to sink up to 12 mA, include equivalent 26- resistors to reduce overshoot and undershoot.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in a mixed 3.3-V/5-V system environment.

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

SN74LVC162244A 特性

• Member of the Texas Instruments WidebusTM Family
• Operates From 1.65 V to 3.6 V
• Inputs Accept Voltages to 5.5 V
• Max tpd of 4.4 ns at 3.3 V
• Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C
• Typical VOHV (Output VOH Undershoot) > 2 V at VCC = 3.3 V, TA = 25°C
• Supports Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V VCC)
• Output Ports Have Equivalent 26- Series Resistors, So No External Resistors Are Required
• Ioff Supports Partial-Power-Down Mode Operation
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
• ESD Protection Exceeds JESD 22
  • 2000-V Human-Body Model (A114-A)
  • 1000-V Charged-Device Model (C101)

SN74LVC162244A 应用技术支持与电子电路设计开发资源下载

1. SN74LVC162244A 数据资料 dataSheet 下载.PDF
2. TI 德州仪器缓冲器、驱动器/收发器产品选型与价格 . xls
3. CMOS 非缓冲反向器在振荡器电路中的使用 (PDF 951 KB)
4. Semiconductor Packing Methodology (PDF 3005 KB)
5. 逻辑产品选择指南 2006/2007 （修订版 Z）(4462KB)
6. 标准线性和逻辑产品 5 分钟指南 (786KB)
7. 了解和解释标准逻辑数据表
8. LOGIC Pocket Data Book (PDF 6001 KB)
9. HiRel Unitrode Power Management Brochure (PDF 206 KB)
10. Logic Cross-Reference (PDF 2938 KB)