FST3253 is a dual 4:1 high-speed CMOS TTL-compatible multiplexer/demultiplexer bus switch. The low on-resistance of the switch allows inputs to be connected to outputs without adding propagation delayor generating additional ground bounce noise. When OE is LOW, S0 and S1 connect the A Port to the selected B Port output. When OE is HIGH, the switch is open and a high-impedance state exist between the two ports.
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