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1 IN74HC257 Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS 125K INTEGRAL 2323504
2 IN74HC257 Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS 125K INTEGRAL 61439
3 IN74HC257A Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS 217K IKSEMICON 1813990
4 IN74HC257AD Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS 217K IKSEMICON 1814008
5 IN74HC257AN Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS 217K IKSEMICON 1813850
6 IN74HC257D Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS 125K INTEGRAL 2323503
7 IN74HC257D Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS 125K INTEGRAL 61438
8 IN74HC257N Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS 125K INTEGRAL 2323502
9 IN74HC257N Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS 125K INTEGRAL 61437