v23818-k305-l56 Infineon Technologies Corporation, v23818-k305-l56 Datasheet - Page 2

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v23818-k305-l56

Manufacturer Part Number
v23818-k305-l56
Description
Small Form Factor Multimode 1.0625 Fibre Channel Gigabit Ethernet Transceiver With Connector
Manufacturer
Infineon Technologies Corporation
Datasheet
FEATURES
• Small Form Factor transceiver
• RJ-45 style LC™ connector system
• Half the size of SC Duplex 1x9 transceiver
• Single power supply (3.3 V)
• Extremely low power consumption
• PECL and LVPECL differential inputs and outputs
• System optimized for 62.5/50 m graded index fiber
• Multisource footprint
• Small footprint for high channel density
• UL-94 V-0 certified
• ESD Class 1 per MIL-STD 883D Method 3015.7
• Compliant with FCC (Class B) and EN 55022
• For distances of up to 550 m
• Class 1 FDA and IEC laser safety compliant
• Extended Temperature Range –40°C to 85°C
Absolute Maximum Ratings
Exceeding any one of these values may destroy the device
immediately.
Package Power Dissipation................................................ 1.5 W
Data Input Levels (PECL) ............................................V
Differential Data Input Voltage .............................................1.6 V
Operating Case Temperature...............................–40°C to 85°C
Storage Ambient Temperature............................. –40° C to 85°C
Soldering Conditions, Temp/Time
V
ECL-Output current data ...................................................50 mA
DESCRIPTION
The Infineon Gigabit Ethernet multimode transceiver – part of
Infineon Small Form Factor transceiver family – is based on the
Physical Medium Depend (PMD) sublayer and baseband
medium, type 1000BASE-SX (short wavelength), Fibre Channel
DC 100-M5-SN-I and 100-M6-SN-I.
The appropriate fiber optic cable is 62.5 µm or 50 µm multi-
mode fiber with LC™ connector.
Operating range for over each optical fiber type
The Infineon Gigabit Ethernet multimode transceiver is a single
unit comprised of a transmitter, a receiver, and an LC™ recepta-
cle. This design frees the customer from many alignment and
PC board layout concerns.
This transceiver supports the LC™ connectorization concept. It
is compatible with RJ-45 style backpanels for high end
Data Com and Telecom applications while providing the advan-
tages of fiber optic technology.
Fiber Optics
CC
Fiber type
62.5 micron MFF
50.0 micron MFF
10 micron SFF
(MIL -STD 883C, Method 2003) ........................... 250°C/ 5.5 s
max.............................................................................. 5.5 V
Minimum range (meters)
2 to 260
2 to 550
Not supported
CC
Typ.
400
700
V23818-K305-L56, SFF , MM 850nm 1.0625 GBd Fibre Channel, 1.3 GBE 2x5 Trx (LC™), ext.temp.
+0.5 V
2
The module is designed for low cost SAN, LAN, WAN, Fibre
Channel and Gigabit Ethernet applications. It can be used as the
network end device interface in mainframes, workstations,
servers, and storage devices, and in a broad range of network
devices such as bridges, routers, hubs, and local and wide area
switches.
This transceiver operates at 1 and 1.25 Gbit/s from a single
power supply (+3.3 V). The full differential data inputs and out-
puts are PECL and LVPECL compatible.
Functional Description of 2x5 Pin Row Transceiver
This transceiver is designed to transmit serial data via
multimode cable.
Functional Diagram
The receiver component converts the optical serial data into
PECL compatible electrical data (RD and RDnot). The Signal
Detect (SD, active high) shows whether an optical signal is
present.
The transmitter converts PECL compatible electrical serial data
(TD and TDnot) into optical serial data. Data lines are differen-
tially 100
The transmitter contains a laser driver circuit that drives the
modulation and bias current of the laser diode. The currents are
controlled by a power control circuit to guarantee constant out-
put power of the laser over temperature and aging.
The power control uses the output of the monitor PIN diode
(mechanically built into the laser coupling unit) as a controlling
signal, to prevent the laser power from exceeding the operating
limits.
Single fault condition is ensured by means of an integrated
automatic shutdown circuit that disables the laser when it
detects laser fault to guarantee the laser Eye Safety.
The transceiver contains a supervisory circuit to control the
power supply. This circuit makes an internal reset signal when-
ever the supply voltage drops below the reset threshold. It
keeps the reset signal active for at least 140 milliseconds after
the voltage has risen above the reset threshold. During this
time the laser is inactive.
The laser can be disabled by the TxDis input.
TxDis
TD
TD+
RD
RD+
SD
terminated.
Monitor
Automatic
Shut-Down
LEN
Receiver
Power
Control
Laser
Driver
Rx Coupling Unit
Laser
Coupling Unit
e/o
Laser
o/e
o/e
Multimode Fiber

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