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DS1874 SFP+ Controller

DS1874 Description

19-4691; Rev 0; 6/09 www.DataSheet4U.com SFP+ Controller with Digital LDD Interface General .
The DS1874 controls and monitors all functions for SFF, SFP, and SFP+ modules including all SFF-8472 functionality.

DS1874 Features

* Meets All SFF-8472 Control and Monitoring Requirements
* Laser Bias Controlled by APC Loop and Temperature LUT to Compensate for Tracking Error
* Laser Modulation Controlled by Temperature LUT
* Six Analog Monitor Channels: Temperature, VCC, MON1
* MON4 MON1

DS1874 Applications

* SFF, SFP, and SFP+ Transceiver Modules Pin Configuration DAC1 REFIN DAC2 GND GND VCC 15 14 13 12 DS1874 11 10 MON1 MON3N MON3P MON4 TXDOUT RSEL GND 9 8 2 SCL 3 SDA 4 TXF 5 LOS 6 IN1 7 TXD TOP VIEW 21 N. C. 22 VCC 23 CSELOUT 24 SCLOUT 25 SDAOUT 26 LOSOUT 27 OUT1 28 1 RSELOUT 20 19 18 17 16 +

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SFP + Controller Maxim Integrated Products
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