TC74LCX257FK multiplexer equivalent, low-voltage quad 2-channel multiplexer.
* Low-voltage operation: VCC = 2.0 to 3.6 V
* High-speed operation: tpd = 6.0 ns (max) (VCC = 3.0 to 3.6 V)
* Output current: |IOH|/IOL = 24 mA (min) (VCC = 3.
but it could be used to interface to 5-V supply environment for inputs.
It is composed of four independent 2-channel mu.
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