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X9520B20IB Datasheet

  • X9520B20IB

  • Triple DCP, POR,2kbit EEPROM Memory, Dual Voltage Monitors

  • 33頁

  • INTERSIL   INTERSIL

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廬
X9520
Fiber Channel/Gigabit Ethernet Laser Diode Control for Fiber Optic Modules
Data Sheet
March 8, 2005
FN8206.0
PRELIMINARY
Triple DCP, POR, 2kbit EEPROM Memory,
Dual Voltage Monitors
FEATURES
鈥?Three Digitally Controlled Potentiometers (DCPs)
鈥?4 Tap - 10k鈩?/div>
鈥?00 Tap - 10k鈩?/div>
鈥?56 Tap - 100k鈩?/div>
鈥擭onvolatile
鈥擶rite Protect Function
鈥?2kbit EEPROM Memory with Write Protect & Block
Lock
TM
鈥?2-Wire industry standard Serial Interface
鈥擟omplies to the Gigabit Interface Converter
(GBIC) specification
鈥?Power-on Reset (POR) Circuitry
鈥擯rogrammable Threshold Voltage
鈥擲oftware Selectable reset timeout
鈥擬anual Reset
鈥?Two Supplementary Voltage Monitors
鈥擯rogrammable Threshold Voltages
鈥?Single Supply Operation
鈥?.7V to 5.5V
鈥?Hot Pluggable
鈥?20 Pin packages
鈥擟SP (Chip Scale Package)
鈥擳SSOP
BLOCK DIAGRAM
DESCRIPTION
The X9520 combines three Digitally Controlled Potenti-
ometers (DCPs), V1 / Vcc Power-on Reset (POR) cir-
cuitry, two programmable voltage monitor inputs with
software and hardware indicators, and integrated
EEPROM with Block Lock鈩?protection. All functions of
the X9520 are accessed by an industry standard 2-Wire
serial interface.
Two of the DCPs of the X9520 may be utilized to control
the bias and modulation currents of the laser diode in a
Fiber Optic module. The third DCP may be used to set
other various reference quantities, or as a coarse trim
for one of the other two DCPs. The 2kbit integrated
EEPROM may be used to store module definition data.
The programmable POR circuit may be used to ensure
that V1 / Vcc is stable before power is applied to the
laser diode / module. The programmable voltage moni-
tors may be used for monitoring various module alarm
levels.
The features of the X9520 are ideally suited to simplify-
ing the design of fiber optic modules which comply to
the Gigabit Interface Converter (GBIC) specification.
The integration of these functions into one package sig-
nificantly reduces board area, cost and increases reli-
ability of laser diode modules.
R
H0
WIPER
COUNTER
REGISTER
R
W0
R
L0
8
WP
PROTECT LOGIC
6 - BIT
NONVOLATILE
MEMORY
R
H1
CONSTAT
DATA
REGISTER
REGISTER
4
WIPER
COUNTER
REGISTER
R
W1
R
L1
SDA
SCL
COMMAND
DECODE &
CONTROL
LOGIC
2kbit
7 - BIT
NONVOLATILE
MEMORY
EEPROM
ARRAY
WIPER
COUNTER
REGISTER
R
H2
R
W2
R
L2
THRESHOLD
RESET LOGIC
MR
V3
VTRIP
3
2
8 - BIT
NONVOLATILE
MEMORY
-
+
-
+
+
-
POWER-ON /
LOW VOLTAGE
RESET
GENERATION
V3RO
V2
VTRIP
2
V2RO
V1 / Vcc
VTRIP
1
V1RO
1
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.
漏2000 Intersil Inc., Patents Pending. Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

X9520B20IB相關(guān)型號PDF文件下載

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  • 英文版
    Triple DCP, POR,2kbit EEPROM Memory, Dual Voltage Monitors
    INTERSIL
  • 英文版
    Triple DCP, POR,2kbit EEPROM Memory, Dual Voltage Monitors
    INTERSIL [...
  • 英文版
    Fiber Channel/Gigabit Ethernet Laser Diode Control for Fiber...
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    Dual DCP, EEPROM Memory
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    Dual DCP, EEPROM Memory
    XICOR [Xic...
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    Laser Diode Control for Fiber Optic Modules
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    Laser Diode Control for Fiber Optic Modules
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  • 英文版
    Laser Diode Control for Fiber Optic Modules
    INTERSIL
  • 英文版
    Laser Diode Control for Fiber Optic Modules
    INTERSIL [...
  • 英文版
    Fiber Channel/Gigabit Etherner Laser Diode Control for Fiber...
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  • 英文版
    Fiber Channel/Gigabit Etherner Laser Diode Control for Fiber...
    INTERSIL [...
  • 英文版
    Triple DCP, POR, 2kbit EEPROM Memory, Dual Voltage Monitors
    INTERSIL [...
  • 英文版
    Triple DCP, POR, 2kbit EEPROM Memory, Dual Voltage Monitors
    INTERSIL [...
  • 英文版
    Dual DCP, EEPROM Memory
    INTERSIL [...
  • 英文版
    Triple DCP, Dual Voltage Monitors
    INTERSIL [...
  • 英文版
    Laser Diode Control for Fiber Optic Modules
    INTERSIL [...
  • 英文版
    Dual DCP, EEPROM Memory
    INTERSIL [...
  • 英文版
    Fiber Channel/Gigabit Ethernet Laser Diode Control for Fiber...
    INTERSIL
  • 英文版
    Fiber Channel/Gigabit Ethernet Laser Diode Control for Fiber...
    INTERSIL [...

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