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BUY 74F257ASCX https://www.utsource.net/itm/p/1115072.html
2-Input Digital Multiplexer
Description: Quad 2-Input Multiplexer Features: * High speed: tPD = 8.5 ns (typical) * Low power dissipation: ICC = 4.0 mA (max) * High noise immunity: VNIH = VNIL = 28% VCC (min) * Outputs source/sink 24 mA Applications: * Data routing * Data selection * Address selection * Bus switching (For reference only)