LCP-1250B4QDR Delta Electronics, Inc., LCP-1250B4QDR Datasheet

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LCP-1250B4QDR

Manufacturer Part Number
LCP-1250B4QDR
Description
Rohs Compliant Single Mode Sfp Transceiver For Gbe And Fiber Channel
Manufacturer
Delta Electronics, Inc.
Datasheet
RoHS Compliant Single Mode SFP Transceiver for GbE and Fiber
Channel
Description
DELTA ELECTRONICS, INC.
pluggable 3.3V Small-Form-Factor transceiver
modules designed expressly for high-speed
communication applications that require rates up
to 1.25Gb/s.
transparent, which means it can support GbE
(1.25Gb/s)
(1.062Gb/s) operations
to be compliant with SFP Multi-source Agreement
(MSA).
(Temperature, V
bias current, and RX received optical power)
compliant with SFF-8472 are also available. See
order information for details.
series also includes a Loss of Signal (LOS) circuit
that provides a TTL logic-high output when the
received optical level is below a preset LOS
Assert threshold.
The
The LCP-1250B4QDRx series are designed
The post-amplifier of the LCP-1250B4QDRx
Digital diagnostic monitoring functions
LCP-1250B4QDRx
as
CC
The transceiver is data rate
well
, TX optical power, TX laser
as
1x
series
Fiber
are
channel
hot
1
FEATURES
Applications
Performance
Compliant with SFP Transceiver SFF-8472
MSA specification with internal calibration
Compliant with Specifications for IEEE
802.3z/Gigabit Ethernet
LCP-125B4QDRx compliant with the
1.0625GBd Fiber Channel 100-SM-LC-L FC-PI
Rev.13
Single + 3.3V Power Supply and TTL Logic
Interface
EEPROM with Serial ID Functionality
Laser Class 1 Product which comply with the
requirements of IEC 60825-1 and IEC 60825-2
Duplex LC Connector interface
Gigabit Ethernet
Switch to Switch interface
Switched backplane applications
File server interface
LCP-1250B4QDRx: 1310nm FP laser, 10.5dB
link budget (10km)
www.deltaww.com
2008/1/23
Rev. 6G

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LCP-1250B4QDR Summary of contents

Page 1

... Laser Class 1 Product which comply with the requirements of IEC 60825-1 and IEC 60825-2 Duplex LC Connector interface Applications Gigabit Ethernet series are hot Switch to Switch interface Switched backplane applications File server interface Performance LCP-1250B4QDRx: 1310nm FP laser, 10.5dB Fiber channel link budget (10km) 1 2008/1/23 Rev. 6G www.deltaww.com ...

Page 2

... Output Data Rise/Fall Time Notes: 1. Internally AC coupled and terminated to 100Ohm differential load. 2. Pull host Board CC 3. Internally AC coupled, but requires a 100Ohm differential termination at or internal to Serializer/ Deserializer. 4. These are 20%~80% values DELTA ELECTRONICS, INC. Symbol Min. Typ. Max ...

Page 3

... LOS-Deasserted (Avg.) LOS-Asserted (Avg.) LOS-Hysteresis Overload Notes: 1. These are unfiltered 20%~80% values 2. The sensitivity is provided at a BER of 1× PRBS and ER=9dB. Mask of the eye diagram for the optical transmit signal DELTA ELECTRONICS, INC NRZ) Symbol Min. Typ. Max ...

Page 4

... VeeT Transmitter Ground 18 TD+ Transmit Data In 19 TD- Inv. Transmit Data In 20 VeeT Transmitter Ground Plug Seq.: Pin engagement sequence during hot plugging. DELTA ELECTRONICS, INC. Function Plug Seq Note 1 Note 2 3 Module disables on high or open 3 Note 3, 2 wire serial ID interface 3 ...

Page 5

... The inputs will accept differential swings of 500 – 2400 mV (250 – 1200 mV single-ended), though it is recommended that values between 500 and 1200 mV differential (250 – 600 mV single-ended) be used for best EMI performance. DELTA ELECTRONICS, INC. 5 www.deltaww.com 2008/1/23 ...

Page 6

... Recommend Circuit Schematic VCC Protocol Vcc Tx_Disable Tx_Fault Protocol IC SerDes IC Rx_LOS PLD / PAL DELTA ELECTRONICS, INC. 1uH 3.3V 1uH RES1 10uF 0.1uF 0.1uF Tx_Disable Tx_Fault VeeT RES1 10uF 0.1uF RD + 100 Ohms Rx_LOS 3.3V VeeR RES1 RES1 RES1 Mod_def 2 Mod_def 1 Mod_def 0 RES1 = 4.7k to 10k Ohms ...

Page 7

... Package Outline Drawing DELTA ELECTRONICS, INC. 7 www.deltaww.com 2008/1/23 Rev. 6G ...

Page 8

... From power on or negation of TX_Fault using TX Disable 3) Time from fault to TX fault on. 4) Time TX Disable must be held high to reset TX_Fault 5) 6) Time from LOS state to Rx LOS assert 7) Time from non-LOS state to Rx LOS deassert DELTA ELECTRONICS, INC. Symbol Min. t_off t_on t_init t_fault t_rest ...

Page 9

... Vender Specific (32 bytes) 127 128 Reserved in SFP MSA (128 bytes) 255 Digital Diagnostic Memory Map Specific Data Field Descriptions DELTA ELECTRONICS, INC. 2 wire address 1010001 X (A2h) 0 Alarm and Warning Thresholds (56 bytes Cal Constants (40 bytes Real Time Diagnostic Interface ...

Page 10

... Byte 14:Transmission distance Byte 15: Transmission distance in 100m, distance >25.5km: FFh 4) Byte 60-61: The center wavelength of transmitter 5) Byte 63: Check sum of bytes 0-62. 6) Byte 68-83: Serial number. 7) Byte 84-91: Date code. 8) Byte 95: Check sum of bytes 64-94. DELTA ELECTRONICS, INC. Address Hex ASCII ...

Page 11

... Operating current at room temperature. The min. setting current Operating optical power of transmitter at room temperature Overload optical power of receiver Sensitivity optical power of receiver S 5) Byte 95 contains the low order 8bits of sum of bytes 0-94 DELTA ELECTRONICS, INC. Name Value (Dec.) T (MAX.)+ (MIN (MAX ...

Page 12

... TX Optical Power RX Optical Power Notes: 1) Temperature is measured internal to the transceiver. 2) Voltage is measured internal to the transceiver. DELTA ELECTRONICS, INC. Description Digital state of the Tx disable input pin Read/ Write bit that allow software disable of laser NA NA Digital state of the Tx fault output pin Digital state of the LOS output pin. ...

Page 13

... IEC 1000-4-2 Duplex SC Receptacle IEC 801.2 (#4) Electrostatic Discharge to the Electrical Pins MIL-STD-883C Method 3015.4 EIAJ#1988.3.2B Version 2, Machine model Ordering information for SFP modules LCP-1250B4QDRX Temperature 1 Blank +70 degree C H: -10 to +85 degree C T: -40 to +85 degree C DELTA ELECTRONICS, INC. Reference Qty’ ...

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