Preliminary Data Sheet September 2000 3X38FTR 208-Pin SQFP OCTAL-FET (Fast Ethernet Transceiver) for 10Base-T/100Base-TX/FX Overview The 3X38FTR 208-Pin SQFP is an eight-channel, single-chip complete transceiver designed specifically for dual-speed 10Base-T, 100Base-TX, and 100Base-FX switches and repeaters.
It supports simultaneous operation in three separate IEEE * standard modes: 10Base-T, 100Base-TX, and 100Base-FX.
The 3X38 uses 0.
25 µm low-power CMOS to achieve extremely low power dissipation and operates from a single 3.
3 V power supply.
Each channel implements the following: s s s s s s s Autopolarity detection and correction.
Adjustable squelch level for extended line length capab...

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