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SN54LS257B,SN54LS258B,SN54S257
消耗积分:2 |
格式:rar |
大小:934 |
2010-08-11
李杰
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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.
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