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PDF 74F257APC ( 数据表 ) |
零件编号 | 功能 ( 描述 ) | 制造商 | ||
2 | 74F257APC | Quad 2-Input Multiplexer with 3-STATE Outputs 74F257A Quad 2-Input Multiplexer with 3-STATE Outputs April 1988 Revised August 1999 74F257A Quad 2-Input Multiplexer with 3-STATE Outputs General Description The 74F257A is a quad 2-input |
Fairchild |
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1 | 74F257APC | Quad 2-Input Multiplexer with TRI-STATE Outputs 54F 74F257A Quad 2-Input Multiplexer with TRI-STATE Outputs November 1994 54F 74F257A Quad 2-Input Multiplexer with TRI-STATE Outputs General Description The ’F257A is a quad 2-input mul |
National |
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