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The PI3L110 is a 8- to 4-bit multiplexer/demultiplexer LAN Switch with Hi-Z outputs. Industry leading advantages include a propagation delay of less than 250ps, resulting from its low channel resistance and I/O capacitance. The device multiplexes differential outputs from a Fast Ethernet transceiver (PHY) device to one of two corresponding outputs. The switch is bidirectional and offers little or no attenuation of the high-speed signals at the outputs. It is designed for low bit-to-bit skew, high channel-to-channel noise isolation and is compatible with various standards, such as 10/100 Base-T (Ethernet). Generally, this part can be used to replace mechanical relays in low-voltage LAN applications that interface a physical layer over CAT 5 or CAT 6 unshielded twisted pair cable through an isolation transformer. The PI3L110 is fully specified for partial-power-down applications using IOFF. The IOFF feature ensures that damaging current will not backflow thoughout the device when it is powered down. The device has isolation during Power Off.
RON is 4Ω typical
Low crosstalk: –27dB @ 250 MHz
Near-Zero propagation delay: 250ps
Switching speed: 9ns
Channel On capacitance: 9pF (typical)
VCC Operating Range: +3.0V to +3.6V
>2kV ESD protection (human body model)
>350 MHz bandwidth (or data frequency)
Switching on Data I/O Ports (0 to 5V)
IOFF supports Partial-Power-Down mode operation
Data and Control Inputs have Undershoot Clamp Diodes
Packaging (Pb-free & Green available)
16-pin 150-mil wide plastic QSOP (Q)
16-pin 173-mil wide plastic TSSOP (L)
Dual Physical Layer Device sharing to one interface connector