3X38FTR Datasheet - Agere Systems

3X38FTR OCTAL-FET (Fast Ethernet Transceiver) for 10Base-T/100Base-TX/FX

5 RMII Mode 5 SMII Mode 5 LED Control 5 Clocking 5 FX Mode 5 Single-Channel Detail Functions 7 Block Diagrams 8 Pin Information 10 Pin Diagram for RMII Mode 10 Pin Diagram for SMII Mode 11 Pin Maps 15 Pin Descriptions 16 Functional Description 27 Reduced Media Independent Interface (RMII) .

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 dis.

3X38FTR Features

* s Pseudo-ECL compatible input/output for 100BaseFX support (with fiber-optic signal detect). Compatible with IEEE 802.3u 100Base-FX standard. Reuses existing twisted-pair I/O pins for compatible fiber-optic transceiver pseudo-ECL (PECL) data:

* No additional data pins required.

* Re

3X38FTR_AgereSystems.pdf