SN74F251B - 具有三态输出的双路 8 选 1 数据选择器/多路复用器

SN74F251B是TI德州仪器公司的一款解码器/编码器/多路复用器产品，SN74F251B是具有三态输出的双路 8 选 1 数据选择器/多路复用器，本站介绍了SN74F251B的封装应用图解、特点和优点、功能等，并给出了与SN74F251B相关的TI元器件型号供参考。

SN74F251B - 具有三态输出的双路 8 选 1 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

These data selectors/multiplexers contain full binary decoding to select one of eight data sources and feature strobe-controlled complementary outputs. The 3-state outputs can interface with and drive data lines of bus-organized systems. When the strobe (G\) input is high, both outputs are in a high-impedance state in which both the upper and lower transistors of each totem-pole output are off, and the output neither drives nor loads the bus significantly.

The SN54F251B is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F251B is characterized for operation from 0°C to 70°C.

D0, D1,...D7 = the level of the respective D input.

产品特性

3-State Versions of SN54F151B and SN74F151B
3-State Outputs Interface Directly With System Bus
Performs Parallel-to-Serial Conversion
Complementary Outputs Provide True and Inverted Data
Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs

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