SN74LS156 - 具有集电极开路输出的双路 2 线路至 4 线路解码器/多路解复用器

SN74LS156是TI德州仪器公司的一款解码器/编码器/多路复用器产品，SN74LS156是具有集电极开路输出的双路 2 线路至 4 线路解码器/多路解复用器，本站介绍了SN74LS156的封装应用图解、特点和优点、功能等，并给出了与SN74LS156相关的TI元器件型号供参考。

SN74LS156 - 具有集电极开路输出的双路 2 线路至 4 线路解码器/多路解复用器 - 解码器/编码器/多路复用器 - 特殊逻辑 - 德州仪器

产品描述

These monolithic transistor-transistor-logic (TTL) circuits feature dual 1-line-to-4-line demultiplexers with individual strobes and common binary-address inputs in a single 16-pin package. When both sections are enabled by the strobes, the common binary-address inputs sequentially select and route associated input data to the appropriate output of each section. The individual strobes permit activating or inhibiting each of the 4-bit sections as desired. Data applied to input 1C is inverted at its outputs and data applied at 2C\ is not inverted through its outputs. The inverter following the 1C data input permits use as a 3-to-8-line decoder or 1-to-8-line demultiplexer without external gating. Input clamping diodes are provided on all of these circuits to minimize transmission-line effects and simplify system design.

产品特性

Applications:
- Dual 2-to 4-Line Decoder
- Dual 1-to 4-Line Demultiplexer
- 3-to 8-Line Decoder
- 1-to 8-Line Demultiplexer
Individual Strobes Simplify Cascading for Decoding or Demultiplexing Larger Words
Input Clamping Diodes Simplify System Design
Choice of Outputs:
- Totem Pole ('155, 'LS155A)
- Open-Collector ('156, 'LS156)

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