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X9521 Fiches technique(PDF) 1 Page - Intersil Corporation

No de pièce X9521
Description  Fiber Channel/Gigabit Ethernet Laser Diode Control for Fiber Optic Modules
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Fabricant  INTERSIL [Intersil Corporation]
Site Internet  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

X9521 Fiches technique(HTML) 1 Page - Intersil Corporation

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1
®
FN8207.1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
©2000 Intersil Inc., Patents Pending. Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
X9521
Dual DCP, EEPROM Memory
Fiber Channel/Gigabit Ethernet Laser
Diode Control for Fiber Optic Modules
FEATURES
• Two Digitally Controlled Potentiometers (DCP’s)
—100 Tap - 10k
—256 Tap - 100k
—Non-Volatile
—Write Protect Function
• 2kbit EEPROM Memory with Write Protect & Block
LockTM
• 2-Wire industry standard Serial Interface
—Complies to the Gigabit Interface Converter
(GBIC) specification
• Single Supply Operation
—2.7V to 5.5V
• Hot Pluggable
• 20 Ld TSSOP
DESCRIPTION
The X9521 combines two Digitally Controlled Potentiom-
eters (DCP’s), and integrated EEPROM with Block
LockTM protection. All functions of the X9521 are
accessed by an industry standard 2-Wire serial interface.
The DCP’s of the X9521 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 X9521 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.
BLOCK DIAGRAM
DATA
REGISTER
COMMAND
DECODE &
CONTROL
LOGIC
SDA
SCL
CONSTAT
REGISTER
PROTECT LOGIC
EEPROM
THRESHOLD
RESET LOGIC
4
2kbit
8
7 - BIT
NONVOLATILE
MEMORY
RH1
RW1
RL1
WIPER
REGISTER
RH2
RW2
RL2
COUNTER
WP
8 - BIT
NONVOLATILE
MEMORY
WIPER
REGISTER
COUNTER
ARRAY
Data Sheet
August 25, 2005


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