M54HC258 multiplexer equivalent, quad 2-channel multiplexer.
The M54/74HC257 and the M54/74HC258 are high speed CMOS MULTIPLEXERs fabricated with sili2 con gate C MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption. These IC’s are composed of an inde.
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