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SN74LS258B技术文档下载：
SN74LS258B - 产品图解：
SN74LS258B - 具有三态输出的四路 2 线路至 1 线路数据选择器/多路复用器
SN74LS258B是TI公司的一款解码器/编码器/多路复用器产品，SN74LS258B是具有三态输出的四路 2 线路至 1 线路数据选择器/多路复用器，本页介绍了SN74LS258B的产品说明、应用、特性等，并给出了与SN74LS258B相关的TI元器件型号供参考。
SN74LS258B - 具有三态输出的四路 2 线路至 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 - TI公司（Texas Instruments，德州仪器）
产品描述
These devices are designed to multiplex signals from four-bit data sources to four-output data lines in bus-organized systems. The 3-state outputs will not load the data lines when the output control pin (G\) is at a high-logic level.
Series 54LS and 54S are characterized for operation over the full military temperature range of -55°C to 125°C; Series 74LS and 74S are characterized for operation from 0°C to 70°C.
产品特性
- Three-State Outputs Interface Directly with System Bus
- 'LS257B and 'LS258B Offer Three Times the Sink-Current Capability of the Original 'LS257 and 'LS258
- Same Pin Assignments as SN54LS157, SN74LS157, SN54S157, SN74S157, and SN54LS158, SN74LS158, SN54S158, SN74S158
- Provides Bus Interface from Multiple Sources in High-Performance Systems
Off state (worst case)
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