View V23818-K305-L56_548105.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

V23818-K305-L56(*)
Small Form Factor Multimode 850 nm 1.0625 GBd Fibre Channel 1.3 Gigabit Ethernet 2x5 Transceiver with LCTM Connector Extended Temperature Range (-40C to 85C)
Preliminary
Dimensions in [mm] inches
12.88 .507
Circuit Board Layout Recommended PCB Thickness: 0.1(2.54) max.
21.34 .840
1
13.34 .525
1
8.17 .321
6X
0 0 +.00 .06 -.00 1.40
(6X)
0.05M
1
10.16 .400
1 0 0 +.00 .03 -.00 0.81
(10X) 0M
6.24 .246
20X
23.88 .940
1.
4 optional package grounding tabs 10 pin module requires only 12 PCB holes.
13.43 .529 12.88 .507
9.61 .378 3.39 .134
0.25 .010
1.78 .070
3.48 .137
0.48 .019 7.11 .280
V23818-K305-L56
47.65 1.876
1.07 .042
17.78 .700
4.57 .180 3.45 .136
18.59 .732
12.27 .483
12.70 .500 14.56 .573
8.92 .351
14.56 .573
*) Ordering Information
Input
V2 38 18 -K 30 5-L 56
Output Signal detect AC TTL
Voltage 3.3 V
Part number V23818-K305-L56
AC
LCTM is a trademark of Lucent
Fiber Optics MARCH 2001
FEATURES * Small Form Factor transceiver * RJ-45 style LCTM 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 -40C to 85C Absolute Maximum Ratings Exceeding any one of these values may destroy the device immediately. Package Power Dissipation................................................ 1.5 W Data Input Levels (PECL) ............................................VCC+0.5 V Differential Data Input Voltage .............................................1.6 V Operating Case Temperature...............................-40C to 85C Storage Ambient Temperature............................. -40 C to 85C Soldering Conditions, Temp/Time (MIL -STD 883C, Method 2003) ........................... 250C/ 5.5 s VCC max.............................................................................. 5.5 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 m or 50 m multimode fiber with LCTM connector. Operating range for over each optical fiber type
Fiber type 62.5 micron MFF 50.0 micron MFF 10 micron SFF Minimum range (meters) 2 to 260 2 to 550 Not supported Typ. 400 700
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 outputs 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
Automatic Shut-Down TxDis LEN TD- TD+ Laser Driver Laser Coupling Unit e/o Laser
Power Control Monitor RD- RD+ SD
o/e Multimode Fiber Rx Coupling Unit o/e
Receiver
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 differentially 100 terminated. 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 output 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 whenever 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.
The Infineon Gigabit Ethernet multimode transceiver is a single unit comprised of a transmitter, a receiver, and an LCTM receptacle. This design frees the customer from many alignment and PC board layout concerns. This transceiver supports the LCTM connectorization concept. It is compatible with RJ-45 style backpanels for high end Data Com and Telecom applications while providing the advantages of fiber optic technology.
Fiber Optics
V23818-K305-L56, SFF MM 850nm 1.0625 GBd Fibre Channel, 1.3 GBE 2x5 Trx (LCTM), ext.temp. , 2
TECHNICAL DATA The electro-optical characteristics described in the following tables are valid only for use under the recommended operating conditions. Recommended Operating Conditions
Parameter Case Temperature Power Supply Voltage Transmitter Data Input Differential Voltage Receiver Input Center Wavelength C 770 860 nm VDIFF 250 1600 mV Symbol TC VCC-VEE Min. -40 3.1 3.3 Typ. Max. 85 3.5 Units
Receiver Electro-Optical Characteristics
Receiver Sensitivity (Average Power)(1) Saturation (Average Power) Signal Detect Assert Level(2) Signal Detect Deassert Level(3) Signal Detect Hysteresis Signal Detect Assert Time Signal Detect Deassert Time Data Output Differential Voltage(4) Return Loss of Receiver Supply current(5)
Notes 1. Average optical power at which the BER is 1 x 10E-12. Measured with a 27-1 NRZ PRBS and ER=9 dB. 2. An increase in optical power above the specified level will cause the SIGNAL DETECT output to switch from a Low state to a High state. 3. A decrease in optical power below the specified level will cause the SIGNAL DETECT to change from a High state to a Low state. 4. AC/AC for data. Load 50 to GND or 100 differential. For dynamic measurement a tolerance of 50 mV should be added. 5. Supply current excluding Rx output load.
Symbol Min. PIN PSAT PSDA PSDD PSDA- PSDD tASS tDAS VDIFF ARL 0.5 12 -30 0
Typ. Max. -19 -16.5
Units dBm
C
V
-24 -27 3
-18
dB 100 350 s
Transmitter Electro-Optical Characteristics
Transmitter Launched Power (Average)(1) Center Wavelength Spectral Width (RMS) Relative Intensity Noise Extinction Ratio (Dynamic) Reset Threshold(2) Reset Time Out(2) Rise Time, 20%-80% Supply Current
Notes 1. Into multimode fiber, 62.5 m or 50 m diameter. 2. Laser power is shut down if power supply is below VTH and switched on if power supply is above VTH after tRES.
0.8
1.23
V dB
Symbol Min. Typ. Max. Units PO C l RIN ER VTH tRES tR 75 8 2.2 140 2.7 240 2.99 560 0.26 -9.5 830 850 -4 860 0.85 -117 dB/Hz dB V ms ns mA dBm nm
60
mA
Fiber Optics
V23818-K305-L56, SFF MM 850nm 1.0625 GBd Fibre Channel, 1.3 GBE 2x5 Trx (LCTM), ext.temp. , 3
Pin Description
Pin Name VEEr VCCr SD Receiver Signal Ground Receiver Power Supply Signal Detect Level/ Pin# Description Logic N/A N/A TTL 1 2 3 Normal Operation: Logic "1" Output, represents that light is present at receiver input Fault Condition: Logic "0" Output
EYE SAFETY This laser based multimode transceiver is a Class 1 product. It complies with IEC 60825-1 and FDA 21 CFR 1040.10 and 1040.11. To meet laser safety requirements the transceiver shall be operated within the maximum operating limits. Caution
All adjustments have been made at the factory prior to shipment of the devices. No maintenance or alteration to the device is required. Tampering with or modifying the performance of the device will result in voided product warranty.
Note Failure to adhere to the above restrictions could result in a modification that is considered an act of "manufacturing", and will require, under law, recertification of the modified product with the U.S. Food and Drug Administration (ref. 21 CFR 1040.10 (i)).
RD- RD+ VCCt VEEt
Received Data Out Not Received Data Out
PECL PECL N/A N/A
4 5 6 7 8 Transmitter Power Supply Transmitter Signal Ground A low signal switches the laser on. A high signal switches the laser off. Transmitter Data In Transmitter Data In Mounting Studs and grounding Tabs are provided for transceiver mechanical attachment to the circuit board. They also provide an optional connection of the transceiver to the equipment chassis ground. The holes in the circuit board must be tied to chassis ground.
Laser Data
Wavelength Total output power (as defined by IEC: 7 mm aperture at 1.4 cm distance) Total output power (as defined by FDA: 7 mm aperture at 20 cm distance) Beam divergence 850 nm <675 W <70 W 12
TxDis Transmitter TTLDisable/Enable Input
TD+ TD- MS
Transmit Data Transmit Data Not MS Package Grounding Tabs
PECL PECL N/A
9 10 MS1 MS2 T1 T2 T3 T4
Required Labels
FDA
Complies with 21 CFR 1040.10 and 1040.11
IEC
Class 1 Laser Product
Laser Emission
Indication of laser aperture and beam
10 9 8 7 6
Regulatory Compliance
Feature Standard Comments Class 1 (>1000 V) Electrostatic Discharge MIL-STD 883D (ESD) to the Electrical Method 3015.7 Pins Immunity: EN 61000-4-2 Electrostatic Discharge IEC 61000-4-2 (ESD) to the Duplex SC Receptacle Immunity: Radio Frequency Electromagnetic Field EN 61000-4-3 IEC 61000-4-3
Tx Rx
12345
Discharges of 15 kV with an air discharge probe on the receptacle cause no damage. With a field strength of 3 V/m rms, noise frequency ranges from 10 MHz to 1 GHz. No effect on transceiver performance between the specification limits.
Emission: Electromagnetic Interference (EMI)
FCC Class B Noise frequency EN 55022 range: Class B CISPR 22 30 MHz to 6 GHz
Fiber Optics
V23818-K305-L56, SFF MM 850nm 1.0625 GBd Fibre Channel, 1.3 GBE 2x5 Trx (LCTM), ext.temp. , 4
APPLICATION NOTES EMI-Recommendation To avoid electromagnetic radiation exceeding the required limits please read the following recommendations: Whenever high speed Gigabit switching components are located on the PCB (also multiplexers, clock recoveries ...) any opening of the machine may generate radiation even at different locations. Thus every mechanical opening or aperture should be as small as possible. On the board itself every data connection should be an impedance matched line (e.g. strip line, coplanar strip line). Data, Datanot should be routed symmetrically, via's should be avoided. A symmetrically matching resistor of 100 should be placed at the end of each matched line. An alternative termination can be provided with a 50 resistor at each (D, Dn). In DC coupled systems an artificial 50 resistance can be achieved as follows: For 3.3 V: 125 to VCC and 82 to VEE, for 5 V: 82 to VCC and 125 to VEE at Data and Datanot. Please consider whether there is an internal termination inside an IC or a transceiver. It is recommended that chassis GND and signal GND should remain separate if there are openings or apertures of the hous-
ing nearby. Sometimes signal GND is the most harmful source of radiation. Connecting chassis GND and signal GND at the plate/ bezel/ backside wall e.g. by means of a fiber optic transceiver may result in a huge amount of radiation. Even a capacitive coupling between signal GND and chassis may be harmful if it is to close to an opening or an aperture. If a separation of signal GND and chassis GND is not possible, it is strongly recommended to provide a proper contact between signal GND and chassis GND at almost every location. This concept is suitable to avoid hotspots. Hotspots are places of highest radiation which could be generated if only a few connections between signal and chassis GND are available. Compensation currents would concentrate at these connections, causing radiation. For the SFF transceiver a connection of the 4 housing pins to chassis GND is recommended. If no separate chassis GND is available on the users PCB the pins should be connected to signal GND. In this case take care of the notes above. Please consider that the PCB may behave like a waveguide. With an r of 4, the wavelength of the harmonics inside the PCB will be half of that in free space. In this case even small PCBs may have unexpected resonances.
Multimode 850 nm Gigabit Ethernet/Fibre Channel 2x5 Transceiver, AC/AC
VCC SerDes 3.3 V VCC Tx+ ECL/PECL Driver TDTxDis VCCt 10 8 R7 R8 6 C1 VCCr 2 L2 C3 C2 SD 3 TTL level SD to upper level R1 R2 Gigabit Transceiver Chip L1 VCC 3.3 V Serializer/ Deserializer Tx-
VEEt TD+ VCSEL Driver 100
7 9
Infineon Transceiver V23818-K305-L56
Signal Detect
PreAmp
Limiting Amplifier
RD-
4
RDReceiver PLL etc. RD+ R3
5
RD+
5
C1/2/3 = 4.7 F L1/2 R1/2 R3/4 = 1 H = Depends on SerDes chip used = Depends on SerDes chip used R7/8 = Biasing (depends on SerDes chip) Place R1/2/3/4/7/8 close to SerDes chip Place R5/6 close to Infineon transceiver
Values of R1/2/3/4 may vary as long as proper 50 termination to VEE or 100 differential is provided. The power supply filtering is required for good EMI performance. Use short tracks from the inductor L1/L2 to the module VCCRx/VCCTx.
Fiber Optics
The transceiver contains an automatic shutdown circuit. Reset is only possible if the power is turned off, and then on again. (VCCTx switched below VTH). Application Board available on request.
V23818-K305-L56, SFF MM 850nm 1.0625 GBd Fibre Channel, 1.3 GBE 2x5 Trx (LCTM), ext.temp. ,
R4
VEEr
1
Small Form Factor multisourcing footprint and dimensions Dimensions in (mm) inches
(7 .11) .28 (4.57) .18
1. 2. 2.
(0.9 max.) 4x .035 max.
(3.56) .14
(13.59) Max. .535 (13.97) Min .550 Pitch -B (12) .472 (7 .75) .305
(10.16) (13.34) .400 .53
4x (1.78) .070 (17 .78) .7
-0.1 2x .042 +.000 -.004
(7 .11) .280
1. 10x 0 (0.61-0.2)
(1.07 0 )
-C -
.024 +.000 -.008
Circuit Board Layout Recommended PCB thickness: max. (2.54) 0.1 (6x) 2. 6x (1.4 0.1) 0.05 M .055 0.04 Holes for housing leads (9.8) Max. .386
(47 .65) max. 1.875 (37 .56) 1.479
max.
-A 10x (0.81 0.1) .032 0.04 (10x)
(3.1) .12 MS2 T4 10 9 8 7 6 T3 (3.0) .118
0
M
Tx Rx
MS1 T1
2x5 Pin Module Top View
12345 T2
1. Toleranced to accommodate round or rectangular leads 2. 4 optional package grounding tabs 10 pin module requires only 12 PCB holes.
Published by Infineon Technologies AG
Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your Infineon Technologies offices. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.
(c) Infineon Technologies AG 2001 All Rights Reserved
Attention please! The information herein is given to describe certain components and shall not be considered as warranted characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Infineon Technologies is an approved CECC manufacturer. Information For further information on technology, delivery terms and conditions and prices please contact the Infineon Technologies offices or our Infineon Technologies Representatives worldwide - see our webpage at www.infineon.com/fiberoptics
Infineon Technologies AG * Fiber Optics * Wernerwerkdamm 16 * Berlin D-13623, Germany Infineon Technologies, Inc. * Fiber Optics * 1730 North First Street * San Jose, CA 95112, USA Infineon Technologies K.K. * Fiber Optics * Takanawa Park Tower * 20-14, Higashi-Gotanda, 3-chome, Shinagawa-ku * Tokyo 141, Japan

▲Up To Search▲

Price & Availability of V23818-K305-L56

	To Download V23818-K305-L56 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .