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參數(shù)資料
| 型號： | MIC3001 |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | SFP Management IC with Internal Calibration |
| 中文描述： | SFP管理IC的內部校準 |
| 文件頁數(shù)： | 1/74頁 |
| 文件大?。?/td> | 332K |
| 代理商： | MIC3001 |
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August 2004
1
M9999-082404
MIC3001
Micrel
MIC3001
SFP Management IC with Internal Calibration
General Description
The MIC3001 enables the implementation of sophisticated,
hot-pluggable fiber optic transceivers with intelligent laser
control and an internally calibrated Digital Diagnostic Moni-
toring Interface per SFF-8472. It essentially integrates all
non-datapath functions of an SFP transceiver into a tiny
4mm
×
4mm MLF package. It also works well as a
microcontroller peripheral in transponders or 10Gbps trans-
ceivers.
A highly configurable automatic power control (APC) circuit
controls laser bias. Bias and modulation are temperature
compensated using dual DACs, an on-chip temperature
sensor, and NVRAM look-up tables. A programmable inter-
nal feedback resistor provides unprecedented dynamic range
for APC. Controlled laser turn-on facilitates hot-plugging.
An analog-to-digital converter converts the measured tem-
perature, voltage, bias current, transmit power, and received
power from analog to digital. An EEPOT provides frontend
adjustment of RX power. Each parameter is compared against
user-programmed warning and alarm thresholds. Analog
comparators and DACs provide high-speed monitoring of
received power and critical laser operating parameters. Data
can be reported as either internally calibrated or externally
calibrated.
An interrupt output, power-on hour meter, and data-ready bits
add user friendliness beyond SFF-8472. The interrupt output
and data-ready bits reduce overhead in the host system. The
power-on hour meter logs operating hours using an internal
real-time clock and stores the result in NVRAM.
Communication with the MIC3001 is via an industry standard
2-wire serial interface. Nonvolatile memory is provided for
serial ID, configuration, and separate OEM and user
scratchpad spaces. Two-level password protection guards
against data corruption.
Features
APC or constant-current laser bias
Turbo mode for APC loop start-up and shorter laser turn
on time
Supports multiple laser types and bias circuit topologies
Drives external low-cost BJT for laser bias
Integrated digital temperature sensor
Temperature compensation of modulation, bias, and
fault levels via NVRAM look-up tables
Direct interface to SY88932, SY88982, SY89307 and
other drivers
NVRAM to support GBIC/SFP serial ID function
User writable EEPROM scratchpad
Diagnostic monitoring interface per SFF-8472
– Monitors and reports critical parameters:
temperature, bias current, TX and RX optical power,
and supply voltage
– S/W control and monitoring of TXFAULT, RXLOS,
RATESELECT, and TXDISABLE
– Internal or external calibration
– EEPOT for adjusting RX power measurement
Power-on hour meter
Interrupt capability
Extensive test and calibration features
2-wire I
2
C compatible serial interface
SFP MSA and SFF-8472 compliant
3.0V to 3.6V power supply range
5V-tolerant I/O
4mm
×
4mm 24-pin MLF package
Applications
SFF/SFP optical transceivers
SONET/SDH transceivers and transponders
Fibre channel transceivers
10Gbps transceivers
Free space optical communications
Proprietary optical links
Ordering Information
Part Number
MIC3001BML
Junction Temp. Range
–45
°
C to +105
°
C
Package
24-pin MLF
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
MicroLeadFrame and MLF are trademarks of Amkor Technology, Inc.
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| MIC3001BML | 功能描述:IC FOM MANAGEMENT W/CALIBR 24MLF RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:1,140 系列:AU 類型:收發(fā)器 驅動器/接收器數(shù):1/1 規(guī)程:CAN 電源電壓:5.3 V ~ 27 V 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:14-SO 包裝:管件 其它名稱:935267940512AU5790D14AU5790D14-ND |
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