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NOT RECOMMENDED FOR NEW DESIGNS POSSIBLE SUBSTITUTE PRODUCT
X95820, ISL22326, ISL22329, ISL22323
DATASHEET
X9521
Dual DCP, EEPROM Memory Fiber Channel/Gigabit Ethernet Laser Diode Control for Fiber Optic Modules
FN8207 Rev 2.00 September 21, 2010
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 Potentiometers (DCP’s), and integrated EEPROM with Block LockTM protection.