The SN74CBTLV3257 is a 4-bit 1-of-2 high-speed FET multiplexer/demultiplexer. The low
on-state resistance of the switch allows connections to be made with minimal propagation
delay.
The select (S) input controls the data flow. The FET multiplexers/demultiplexers are
disabled when the output-enable (OE) input is high.
This device is fully specified for partial-power-down applications using
Ioff. The Ioff feature ensures that damaging current
does not backflow through the device when it is powered down. The device has isolation during power
off.
To ensure the high-impedance state during power up or power down,
OE should be tied to VCC through a pullup resistor;
the minimum value of the resistor is determined by the current-sinking capability of the
driver.
The SN74CBTLV3257 is a 4-bit 1-of-2 high-speed FET multiplexer/demultiplexer. The low
on-state resistance of the switch allows connections to be made with minimal propagation
delay.
The select (S) input controls the data flow. The FET multiplexers/demultiplexers are
disabled when the output-enable (OE) input is high.
This device is fully specified for partial-power-down applications using
Ioff. The Ioff feature ensures that damaging current
does not backflow through the device when it is powered down. The device has isolation during power
off.
To ensure the high-impedance state during power up or power down,
OE should be tied to VCC through a pullup resistor;
the minimum value of the resistor is determined by the current-sinking capability of the
driver.