X9520V20IZ-A datasheet, PDF - EEWORLD Datasheet

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X9520V20IZ-A: DescriptionTriple DCP, POR, 2kbit EEPROM Memory, Dual Voltage Monitors; File Size423KB，29 Pages; ManufacturerIntersil ( Renesas ); Websitehttp://www.intersil.com/cda/home/

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X9520V20IZ-A Overview

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

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X9520

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

Data Sheet

August 20, 2007

FN8206.2

Triple DCP, POR, 2kbit EEPROM Memory,

Dual Voltage Monitors

The X9520 combines three Digitally Controlled

Potentiometers (DCPs), V1/VCC Power-on Reset (POR)

circuitry, two programmable voltage monitor inputs with

software and hardware indicators, and integrated EEPROM

with Block Lock™ 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 monitors

may be used for monitoring various module alarm levels.

The features of the X9520 are ideally suited to simplifying the

design of fiber optic modules which comply to the Gigabit

Interface Converter (GBIC) specification. The integration of

these functions into one package significantly reduces board

area, cost and increases reliability of laser diode modules.

Features

• Three Digitally Controlled Potentiometers (DCPs)

- 64 Tap - 10kΩ

- 100 Tap - 10kΩ

- 256 Tap - 100kΩ

- Nonvolatile

- Write Protect Function

• 2kbit EEPROM Memory with Write Protect & Block Lock

™

• 2-Wire Industry Standard Serial Interface

- Complies to the Gigabit Interface Converter (GBIC)

specification

• Power-on Reset (POR) Circuitry

- Programmable Threshold Voltage

- Software Selectable Reset Timeout

- Manual Reset

• Two Supplementary Voltage Monitors

- Programmable Threshold Voltages

• Single Supply Operation

- 2.7V to 5.5V

• Hot Pluggable

• 20 Ld Package

- TSSOP

• Pb-free available (RoHS compliant)

Ordering Information

PART NUMBER

X9520V20I-A

X9520V20I-AT1*

X9520V20I-AT2*

X9520V20I-B

X9520V20I-BT1*

X9520V20IZ-A (Note)

X9520V20IZ-AT1* (Note)

X9520V20IZ-AT2* (Note)

X9520V20IZ-B (Note)

X9520V20IZ-BT1* (Note)

PART

MARKING

X9520V IA

X9520V IB

X9520V ZIA

X9520V ZIB

PRESET (FACTORY SHIPPED) TRIPx

THRESHOLD LEVELS (x = 2, 3)

Optimized for 3.3V system monitoring**

Optimized for 5V system monitoring**

Optimized for 3.3V system monitoring**

Optimized for 5V system monitoring**

TEMP. RANGE

(°C)

-40 to +85

PACKAGE

20 Ld TSSOP

20 Ld TSSOP (Pb-free)

PKG.

DWG. #

MDP0044

* Please refer to TB347 for details on reel specifications.

** For details, see DC Operating characteristics

NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100%

matte tin plate PLUS ANNEAL - e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations.

Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J

STD-020.

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.

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

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