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数字多路复用器和编码器

SN54LS157

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四通道 2 线至 1 线数据选择器/多路复用器

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SN54LS157

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产品详情

Technology family LS Function Digital Multiplexer Configuration 2:1 Number of channels 4 Operating temperature range (°C) -55 to 125 Rating Military
Technology family LS Function Digital Multiplexer Configuration 2:1 Number of channels 4 Operating temperature range (°C) -55 to 125 Rating Military
CDIP (J) 16 135.3552 mm² (— mm × — mm) CFP (W) 16 69.319 mm² (— mm × — mm) LCCC (FK) 20 79.0321 mm² (— mm × — mm)
  • Buffered Inputs and Outputs
  • Three Speed/Power Ranges Available
  • Applications
    • Expand Any Data Input Point
    • Multiplex Dual Data Buses
    • Generate Four Functions of Two Variables (One Variable Is Common)
    • Source Programmable Counters
  • Buffered Inputs and Outputs
  • Three Speed/Power Ranges Available
  • Applications
    • Expand Any Data Input Point
    • Multiplex Dual Data Buses
    • Generate Four Functions of Two Variables (One Variable Is Common)
    • Source Programmable Counters

These monolithic data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four output gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs. The ’157, ’LS157, and ’S157 present true data whereas the ’LS158 and ’S158 present inverted data to minimize propagation delay time.

These monolithic data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four output gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs. The ’157, ’LS157, and ’S157 present true data whereas the ’LS158 and ’S158 present inverted data to minimize propagation delay time.
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SN74HC157 正在供货 四通道 2 线至 1 线数据选择器/多路复用器 Voltage range 2V to 6V, average propagation delay 20ns, average drive strength 8mA

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 SN54157, SN54LS157, SN54LS158, SN54S157, SN54S158, SN74157, SN74LS157, SN74LS158 数据表 (Rev. A) 1974-3-1
* SMD SN54LS157 SMD 76002012A 2016-6-21

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