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TC74LCX257FT
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TC74LCX257FT(1997) 데이터시트 - Toshiba
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LOW-VOLTAGE QUAD 2-CHANNEL MULTIPLEXER (3-STATE) WITH 5-V TOLERANT INPUTS AND OUTPUTS
The TC74LCX257 is a high-performance CMOS multiplexer. Designed for use in 3.3 Volt systems, it achieves high-speed operation while maintaining the CMOS low-power dissipation.
The device is designed for low-voltage (3.3 V) VCC applications, but it could be used to interface to 5V supply environment for inputs.
It is composed of four independent 2-channel multiplexers wih common select and OE .
If OE is set low, the outputs are held in a high-impedance state. When SELECT is set low, “A” data inputs are enabled. Conversely, when SELECT is high, “B” data inputs are enabled.
All inputs are equipped with protection circuits against static discharge.
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