Quad 2:1 Multiplexer/Demultiplexer Bus Switch With -2V Undershoot Protection

The Fairchild Switch FSTU3257 is a quad 2:1 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 delay or generating additional ground bounce noise.
When OE# is LOW, the select pin connects the A Port to the selected B Port output. The A and B Ports are "undershoot hardened" with Undershoot Hardened Circuit (UHC) protection to support an extended range of 2.0V below ground. Fairchild's integrated UHC senses undershoot at the I/O and responds by preventing voltage differentials from developing and turning on the Switch When OE# is HIGH, the Switch is OPEN and a high-impedance state exists between the two ports.
By Fairchild Semiconductor
FSTU3257 's PackagesFSTU3257 's pdf datasheet

FSTU3257 Pinout, Pinouts
FSTU3257 pinout,Pin out
This is one package pinout of FSTU3257,If you need more pinouts please download FSTU3257's pdf datasheet.

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