SN74LV157A - 四路 2 线路到 1 线路数据选择器/多路复用器

SN74LV157A是TI德州仪器公司的一款解码器/编码器/多路复用器产品，SN74LV157A是四路 2 线路到 1 线路数据选择器/多路复用器，本站介绍了SN74LV157A的封装应用图解、特点和优点、功能等，并给出了与SN74LV157A相关的TI元器件型号供参考。

SN74LV157A - 四路 2 线路到 1 线路数据选择器/多路复用器 - 解码器/编码器/多路复用器 - 特殊逻辑 - 德州仪器

产品描述

The ’V157A devices are quadruple 2-line to 1-line data selectors/multiplexers designed for 2-V to 5.5-V VCC operation.

These devices contain inverters and drivers to supply full data selection to the four output gates. A separate strobe (G)\ input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs. The ’LV157A devices present true data.

These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down.

产品特性

2-V to 5.5-V VCC Operation
Max tpd of 7.5 ns at 5 V
Typical VOLP (Output Ground Bounce) <0.8 V at VCC, TA = 25°C
Typical VOHV (Output VOH Undershoot) >2.3 V at VCC, TA = 25°C
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)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)

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