X9525B20I Datasheet

IC型號：
X9525B20I
PDF描述：
Fiber Channel/Gigabit Etherner Laser Diode Control for Fiber...
文件大?。?/label>
573.08KB
PDF頁數(shù)：
26頁
芯片廠家：
INTERSIL

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X9525

Fiber Channel/Gigabit Ethernet Laser Diode Control for Fiber Optic Modules

Data Sheet

March 10, 2005

FN8210.0

PRELIMINARY

Dual DCP, EEPROM Memory

FEATURES

鈥?Two Digitally Controlled Potentiometers (DCP鈥檚)

鈥?00 Tap - 10k鈩?/div>

鈥?56 Tap - 50k鈩?/div>

鈥擭on-Volatile

鈥擶rite Protect Function

鈥?2kbit EEPROM Memory with Write Protect & Block

Lock

鈥?Device ID Addressability

鈥?2-Wire industry standard Serial Interface

鈥擟omplies to the Gigabit Interface Converter

(GBIC) specification

鈥擜dressable

鈥?Single Supply Operation

鈥?.7V to 5.5V

鈥?Hot Pluggable

鈥?Packages

鈥擟SP (Chip Scale Package)

鈥?0 Pin TSSOP

BLOCK DIAGRAM

DESCRIPTION

The X9525 combines two Digitally Controlled Potentiom-

eters (DCP鈥檚), and integrated EEPROM with Block

Lock鈩?protection. All functions of the X9525 are

accessed by an industry standard 2-Wire serial interface.

The DCP鈥檚 of the X9525 may be utilized to control the

bias and modulation currents of the laser diode in a Fiber

Optic module. The 2kbit integrated EEPROM may be

used to store module definition data.

The features of the X9525 are ideally suited to simplifying

the design of fiber optic modules which comply to the Gi-

gabit Interface Converter (GBIC) specification. The inte-

gration of these functions into one package significantly

reduces board area, cost and increases reliability of laser

diode modules.

WIPER

COUNTER

PROTECT

LOGIC

8 - BIT

NONVOLATILE

MEMORY

SDA

SCL

DATA

COMMAND

DECODE &

CONTROL

LOGIC

THRESHOLD

RESET LOGIC

CONSTAT

WIPER

COUNTER

2kbit

EEPROM

ARRAY

8 - BIT

NONVOLATILE

MEMORY

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-352-6832

Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

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