74ls257
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英文描述: Quadruple 2-line-to-1-line Data Selectors/Multiplexers(with non inverted 3-state outputs) 中文描述: 四2线到1线数据选择器/多路转换器(非倒三态输出)...
Winbond W27E257 Singlechip English information should be everywhere...
Standard Test Methods for DC Resistance or Conductance of Insulating Materials1This standard is...
电源二极管参数...