74HC257 datasheet. Manufacturer: Motorola.

74HC257 Quad 2-Input Data Selector/Multiplexer with 3-State Outputs Datasheet*) There are other manufacturers for this components. For more information please check 74HC257 (Hitachi Semiconductor) 74HC257 (Philips Semiconductors) 74HC257 (Texas Instruments) 74HC257 (Toshiba)

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