Quad 2:1 Multiplexer/Demultiplexer Bus Switch

The Fairchild Switch FST3257 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. When OE# is HIGH, the Switch is OPEN and a high-impedance state exists between the two ports.
By Fairchild Semiconductor
FST3257 's PackagesFST3257 's pdf datasheet
FST3257M SOIC
FST3257MTC TSSOP
FST3257MTCX TSSOP
FST3257MTCX-NL TSSOP
FST3257MX SOIC
FST3257MX-NL SOIC
FST3257QSC QSOP
FST3257QSCX QSOP




FST3257 Pinout, Pinouts
FST3257 pinout,Pin out
This is one package pinout of FST3257,If you need more pinouts please download FST3257's pdf datasheet.

FST3257 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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