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LCP-1250A Dataheets PDF



Part Number LCP-1250A
Manufacturers Delta Electronics
Logo Delta Electronics
Description RoHS Compliant Multimode SFP Transceiver
Datasheet LCP-1250A DatasheetLCP-1250A Datasheet (PDF)

RoHS Compliant Multimode SFP Transceiver for GbE and Fiber Channel FEATURES z Compliant with SFP Transceiver SFF-8472 MSA specification with internal calibration z Compliant with Specifications for IEEE 802.3z/Gigabit Ethernet z Compliant with the 1.0625GBd Fiber Channel FC-PI 100-M5-SN-I Rev.13 z Single + 3.3V Power Supply and TTL Logic Interface z EEPROM with Serial ID Functionality z Laser Class 1 Product which comply with the requirements of IEC 60825-1 and IEC 60825-2 z Duplex LC Connector .

  LCP-1250A   LCP-1250A


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RoHS Compliant Multimode SFP Transceiver for GbE and Fiber Channel FEATURES z Compliant with SFP Transceiver SFF-8472 MSA specification with internal calibration z Compliant with Specifications for IEEE 802.3z/Gigabit Ethernet z Compliant with the 1.0625GBd Fiber Channel FC-PI 100-M5-SN-I Rev.13 z Single + 3.3V Power Supply and TTL Logic Interface z EEPROM with Serial ID Functionality z Laser Class 1 Product which comply with the requirements of IEC 60825-1 and IEC 60825-2 z Duplex LC Connector interface Description Applications The LCP-1250A series are hot pluggable 3.3V z Gigabit Ethernet www.DataSheet4U.com z Switch to Switch interface Small-Form-Factor transceiver modules designed expressly for high-speed communication applications that require rates up to 1.25Gb/s. The transceiver is data rate transparent, which means it can support GbE (1.25Gb/s) as well as 1x Fiber channel (1.062Gb/s) operations The LCP-1250 series are designed to be compliant with SFF-8472 SFP Multi-source Agreement (MSA) with digital diagnostic monitoring functions: Temperature, VCC, TX optical power, TX laser bias current, and RX received optical power. The post-amplifier of the LCP-1250 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. z Switched backplane applications z File server interface Performance z 850nm VCSEL Link up to 550m in 50/125μm Multi Mode Fiber 1 DELTA ELECTRONICS, INC. Oct., 2006 Rev. 6F www.deltaww.com Absolute Maximum Ratings Parameter Storage Temperature Supply Voltage Symbol Ts VCC Min. -40 0 Typ. Max. 85 5 Unit ºC V Note Recommended Operating Conditions Parameter Case Operating Temperature Supply Voltage Note 1: See order information Symbol TC VCC Min. -5 3.135 Typ. Max. 70 3.465 Unit ºC V Note 1 Electrical Characteristics (VCC=3.3V ± 5%) Parameter Total Supply Current Transmitter Transmitter Differential Input Voltage Transmitter Disable Input-High Transmitter Disable Input-Low Transmitter Fault Pull up Resistor Transmitter Fault Output-High Transmitter Fault Output-Low Receiver Receiver Differential Output Voltage Receiver LOS Load LOS Output Voltage-High LOS Output Voltage-Low Output Data Rise/Fall Time Symbol ICCT VDT VDISH VDISL RTX_FAULT VTXFH VTXFL VDR RRXLOS VLOSH VLOSL tr / t f Min. Typ. 180 Max. 300 2.4 VCC+0.3 0.8 10 VCC+0.3 0.8 1 2 10 VCC+0.3 0.8 Unit mA V V V kΩ V V V kΩ V V psec Note 0.5 2 0 4.7 2 0 0.35 4.7 2 0 1 2 2 2 3 2 2 2 4 220 Notes: 1. Internally AC coupled and terminated to 100Ohm differential load. 2. Pull up to VCC on host Board 3. Internally AC coupled, but requires a 100Ohm differential termination at or internal to Serializer/ Deserializer. 4. These are 20%~80% values 2 DELTA ELECTRONICS, INC. Oct., 2006 Rev. 6F www.deltaww.com Optical Characteristics (VCC=3.3V ± 5%, Data Rate=1250Mb/sec, PRBS=27-1 NRZ) Parameter Symbol Min. Transmitter Output Optical Power (Avg.) PO -9.5 Optical Extinction Ratio ER 9 λC Center Wavelength 830 σ Spectral Width (RMS) Optical Rise/ Fall Time tr/tf Receiver Sensitivity (Avg.) PIN λ Input Optical Wavelength LOS-Deasserted (Avg.) PA LOS-Asserted (Avg.) PD -30 LOS-Hysteresis PA-PD 0.5 Overload PO -3 Notes: 1. These are unfiltered 20%~80% values 27-1 PRBS and ER=9dB. Typ. Max. -4 Unit dBm dB nm nm pec dBm nm dBm dBm dB dBm Note 850 860 0.85 260 -17 1 2 850 -17 2. The sensitivity is provided at a BER of 1×10-12or better with an input signal consisting of 1250Mb/s, Mask of the eye diagram for the optical transmit signal 3 DELTA ELECTRONICS, INC. Oct., 2006 Rev. 6F www.deltaww.com SFP Transceiver Electrical Pad Layout Pin Function Definitions Pin Num. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Name VeeT TX Fault TX Disable MOD-DEF2 MOD-DEF1 MOD-DEF0 Rate Select LOS VeeR VeeR VeeR RDRD+ VeeR VccR VccT VeeT TD+ TDVeeT Function Transmitter Ground Transmitter Fault Indication Transmitter Disable Module Definition 2 Module Definition 1 Module Definition 0 Not Connect Loss of Signal Receiver Ground Receiver Ground Receiver Ground Inv. Received Data Out Received Data Out Receiver Ground Receiver Power Transmitter Power Transmitter Ground Transmit Data In Inv. Transmit Data In Transmitter Ground Plug Seq. 1 3 3 3 3 3 3 3 1 1 1 3 3 1 2 2 1 3 3 1 Notes Note 1 Note 2 Module disables on high or open Note 3, 2 wire serial ID interface Note 3, 2 wire serial ID interface Note 3, Grounded in Module Function not available Note 4 Note 5 Note 5 Note 5 Note 6 Note 7 Note 5 3.3 ± 5%, Note 7 3.3 ± 5%, Note 7 Note 5 Note 8 Note 8 Note 5 Plug Seq.: Pin engagement sequence during hot plugging. 4 DELTA ELECTRONICS, INC. Oct., 2006 Rev. 6F www.deltaww.com Notes: 1) TX Fault is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor on the host board. Pull up voltage between 2.0V and VccT, R+0.3V. When high, output indicates a laser fault of some kind. Low indicates normal operation. In the .


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