SN74ALS251 - 具有三态输出的双路 8 选 1 数据选择器/多路复用器

SN74ALS251是TI德州仪器公司的一款解码器/编码器/多路复用器产品，SN74ALS251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SN74ALS251的封装应用图解、特点和优点、功能等，并给出了与SN74ALS251相关的TI元器件型号供参考。

SN74ALS251 - 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 controlled complementary 3-state outputs.

The 3-state outputs can interface with and drive data lines of bus-organized systems. With all but one of the common outputs disabled (at the high-impedance state), the low impedance of the signal-enabled output drives the bus line to a high or low logic level. Both outputs are controlled by the output-enable (OE\) input. The outputs are disabled when is high.

The SN54ALS251 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS251 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 Version of the ´ALS151
3-State Outputs Interface Directly With System Bus
Perform Parallel-to-Serial Conversion
Complementary Outputs Provide True and Inverted Data
Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

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