The ML4665 series 10BASE-FL Transeiver from Micro Linear Corp.
Currently available from euro-tech brokered stock is the ML4665CQ transeiver IC from Micro Linear.
Available in 28 Pin PLCC package
Part Number: ML4665CQ
Description: The ML4665 is a low power, single chip 10BASE-FL transceiver containing a fiber optic data quantizer and an LED output driver for direct connection to an optical module.
Manufacturer: Micro Linear Corporation (Acquired by Sirenza Microdevices)..
Package: 28 Pin PLCC Molded.
Price: Available on application.
Quantity: There are currently 5000+ pieces available.
A full data sheet for ML4665CQ is available to download here: 
