General Description

The MIC3001 enables the implementation of sophisticated, hot-pluggable fiber optic transceivers with intelligent laser control and an internally calibrated Digital Diagnostic Monitoring Interface per SFF-8472. It essentially integrates all non-datapath functions of an SFP transceiver into a tiny (4mm x 4mm) MLF? package. It also works well as a microcontroller peripheral in transponders or 10Gbps transceivers.

特性 Features

? APC or constant-current laser bias

? Turbo mode for APC loop start-up and shorter laser turn on time

? Supports multiple laser types and bias circuit topologies

? Drives external low-cost BJT for laser bias

? Integrated digital temperature sensor

? Temperature compensation of modulation, bias, and fault levels via NVRAM look-up tables

? Direct interface to SY88932, SY88982, SY89307 and other drivers

? NVRAM to support GBIC/SFP serial ID function

? User writable EEPROM scratchpad

? Diagnostic monitoring interface per SFF-8472

– Monitors and reports critical parameters: temperature, bias current, TX and RX optical power,

– S/W control and monitoring of TXFAULT, RXLOS, RATESELECT, and TXDISABLE

– Internal or external calibration

– EEPOT for adjusting RX power measurement

? Power-on hour meter

? Interrupt capability

? Extensive test and calibration features

? 2-wire I2C compatible serial interface

? SFP MSA and SFF-8472 compliant

? 3.0V to 3.6V power supply range

? 5V-tolerant I/O

? 4mm x 4mm 24-pin MLF? package

Applications

? SFF/SFP optical transceivers

? SONET/SDH transceivers and transponders

? Fibre channel transceivers

? 10Gbps transceivers

? Free space optical communications

? Proprietary optical links