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RoHS compliant Small Form Factor Pluggable Transceiver for Fast Ethernet, ATM, SONET OC-3/SDH STM-1
FEATURES
Compliant with SFP Transceiver MSA specification Compliant with Intra-office SONET OC-3 / SDH STM-1 (I-1) Compliant with Industry Standard RFT Electrical Connector and Cage 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
Description
The LCP-155A4HSRx series is a hot pluggable 3.3V Small-Form-Factor transceiver module designed expressly for high-speed communication applications that require rates of up to 155Mbit/sec. It is compliant with the ATM, SONET OC-3/SDH STM-1 standards, as well as the SFP Multisource Agreement (MSA) except for TX fault function is not implemented. The LCP-155A4HSRx transceivers provide with the LC receptacle that is compatible with the industry standard LC connector. The transceiver is also compatible with industry standard RFT connector and cage. The post-amplifier of the LCP-155A4HSRx also includes a Loss Of Signal (LOS) circuit that provides a TTL logic-high output when an unusable optical signal level is detected. The LCP-155A4HSRx transceiver is a Class 1 eye safety product. The optical power levels, under normal operation, are at eye safe level. 1
DELTA ELECTRONICS, INC.
Applications
SONET OC-3/SDH STM-1 ATM Network Fast Ethernet Switch to Switch interface Switched backplane applications File server interface
Performance
LCP-155A4HSR (H/T) Data Link up to 2km in 62.5/125m Multi-Mode Fiber.
Sep., 2006 Rev. 0B
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Absolute Maximum Ratings
Parameter Storage Temperature Supply Voltage Symbol Ts VCC Min. -40 0 Typ. Max. 85 5 Unit C V Note
Recommended Operating Conditions
Parameter Case Operating Temperature Supply Voltage Symbol TC VCC Min. -5 3.135 Typ. Max. 70 3.465 Unit C V Note See Ordering information for detail
Electrical Characteristics
(VCC=3.135V to 3.465V) Parameter Total Supply Current Transmitter Transmitter Differential Input Voltage Transmitter Disable Input-High Transmitter Disable Input-Low Receiver Receiver Differential Output Voltage Receiver LOS Load LOS Output Voltage-Low LOS Output Voltage-High Output Data risetime/falltime Notes: 1. Internally AC coupled. 2. Internally AC coupled, but requires a 100 Ohm differential termination at or internal to Serializer/ Deserializer. 3. Pull up to VCC on host Board 4. These are 20%~80% values Symbol ICCT VDT VDISH VDISL VDR RRXLOS VLOSL VLOSH tr/tf Min. 0.5 2 0 0.35 4.7 0 2 1.3 Typ. Max. 320 2.4 VCC+0.3 0.8 2 10 0.8 VCC+0.3 2.2 Unit mA V V V V k V V ns Note 1
2 3 4
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Sep., 2006 Rev. 0B
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Optical Characteristics
(VCC=3.135V to 3.465V, Data Rate=155Mb/sec, PRBS=223-1 NRZ, 62.5/125m MMF) Parameter Transmitter Output Optical Power (Avg.) Optical Extinction Ratio Center Wavelength Spectral Width (RMS) Optical Rise /Fall Time Duty Cycle Distortion Jitter Relative Intensity Noise Output Eye Receiver Sensitivity (Avg.) Input Optical Wavelength LOS-Deasserted (Avg.) LOS-Asserted (Avg.) LOS-Hysteresis Overload Symbol PO ER Min. -20 9 Typ. Max. -14 Unit Note
dBm dB 1310 nm C nm 200 3 ns tr/tf DCD 0.6 ns tJ 1.0 ns RIN -117 dB/Hz Compliant with ITU-T recommendation G.957 PIN 1310 PD PA PD-PA PO -31 -48 0.5 -14 -31 dBm nm dBm dBm dB dBm
1
2
Notes: 1. These are unfiltered 10%~90% values 2. The sensitivity is provided at a BER of 1x10-10 or better with an input signal consisting of 155Mb/s, 223-1 PRBS and ER=9dB.
Mask of the eye diagram for the optical transmit signal
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DELTA ELECTRONICS, INC.
Sep., 2006 Rev. 0B
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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 Non connection 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.
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Sep., 2006 Rev. 0B
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Notes: 1) 2) TX Fault is internally connected to TX ground. TX disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module with a 4.7 - 10 K resistor. Its states are: Low (0 - 0.8V): (>0.8, < 2.0V): High (2.0 - 3.465V): Open: 3) Transmitter on Undefined Transmitter Disabled Transmitter Disabled
Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7K - 10Kresistor on the host board. The pull-up voltage shall be VccT or VccR (see Section IV for further details). Mod-Def 0 is grounded by the module to indicate that the module is present Mod-Def 1 is the clock line of two wire serial interface for serial ID Mod-Def 2 is the data line of two wire serial interface for serial ID
4)
LOS (Loss of Signal) is an open collector/drain output, which should be pulled up with a 4.7K - 10K resistor. Pull up voltage between 2.0V and VccT, R+0.3V. When high, this output indicates the received optical power is below the worst-case receiver sensitivity (as defined by the standard in use). Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.
5) 6)
VeeR and VeeT may be internally connected within the SFP module. RD-/+: These are the differential receiver outputs. They are AC coupled 100 differential lines which should be terminated with 100 (differential) at the user SERDES. The AC coupling is done inside the module and is thus not required on the host board. The voltage swing on these lines will be between 370 and 2000 mV differential (185 - 1000 mV single ended) when properly terminated.
7)
VccR and VccT are the receiver and transmitter power supplies. They are defined as 3.3V 5% at the SFP connector pin. Maximum supply current is 300 mA. Recommended host board power supply filtering is shown below. Inductors with DC resistance of less than 1 should be used in order to maintain the required voltage at the SFP input pin with 3.3V supply voltage.
8) TD-/+: These are the differential transmitter inputs. They are AC-coupled, differential lines with 100 differential termination inside the module. The AC coupling is done inside the module and is thus not required on the host board. 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.
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DELTA ELECTRONICS, INC.
Sep., 2006 Rev. 0B
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Recommend Circuit Schematic
VCC
3.3V
1uH 1uH 10uF 0.1uF 0.1uF
Protocol Vcc
DELTA SFP Module
VccT
10k Ohms
Tx _Disable Tx _Fault
Tx _Disable Tx _Fault
TD +
0.01uF 100 Ohms
Laser Driver
Laser Diode
TD -
0.01uF
Protocol IC
SerDes IC
RES1 10uF
VeeT VccR
0.1uF
RD +
100 Ohms*
0.01uF
Preamp & Quantizer
Photo Diode
RD Rx_LOS
3.3V
0.01uF
Rx_LOS VeeR
RES1
RES1
RES1
PLD / PAL
Mod_def 2 Mod_def 1 Mod_def 0
EEPROM
RES1 = 4.7k to 10k Ohms * Depands on SerDes IC used
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DELTA ELECTRONICS, INC.
Sep., 2006 Rev. 0B
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Package Outline Drawing for Metal Housing with Bail de-latch
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DELTA ELECTRONICS, INC.
Sep., 2006 Rev. 0B
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SFP timing parameters for SFP management
Parameter TX_DISABLE Assert time TX_DISABLE Negate time Symbol t_off Min. Max. 10 Unit Conditions Time from rising edge of TX_DISABLE to sec when the optical output falls below 10% of nominal Time from falling edge of TX_DISABLE to msec when the modulated optical output rises above 90% of nominal msec From power on or negation of TX_Fault using TX Disable. Unit
t_on
1
Time to initialize, including reset of t_init TX_FAULT TX Fault Assert t_fault Time TX_DISABLE to t_rest reset LOS Assert Time t_loss_on LOS Deassert Time t_loss_off Serial ID Clock Rate f_serial_clock
300 100 10 100 100 100
sec Time from fault to TX fault on. Time TX Disable must be held high to reset TX_Fault sec Time from LOS state to Rx LOS assert sec Time from non-LOS state to Rx LOS deassert kHz sec
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DELTA ELECTRONICS, INC.
Sep., 2006 Rev. 0B
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SFP timing parameters:
Power on initialization of SFP transceiver, TX_DISABLE Power on initialization of SFP, TX_DISABLE asserted negated Initialization during hot plugging of SFP TRANSCEIVER.
Example of initialization during hot plugging, TX_DISABLE SFP TX_DISABLE timing during normal operation. negated.
Detection of transmitter safety fault condition
Successful recovery from transient safety fault condition
Unsuccessful recovery from safety fault condition
Timing of LOS detection
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DELTA ELECTRONICS, INC.
Sep., 2006 Rev. 0B
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LCP-155A4HSRx EEPROM Serial ID Memory Contents (2-Wire Address A0h)
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Hex ASCII 03 04 07 00 00 01 00 00 00 00 00 03 02 00 00 00 00 C8 00 00 44 D 45 E 4C L 54 T 41 A 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 Hex ASCII 20 20 20 20 20 20 20 20 20 20 20 00 00 00 00 4C L 43 C 50 P 2D 31 1 35 5 35 5 41 A 34 4 48 H 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 Hex ASCII 53 S 52 R 20 20 20 20 30 30 30 30 05 1E 00 CS1 Note 1 00 1A 05 05 SN Note 2 SN SN SN SN SN SN 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 Hex ASCII SN SN SN SN SN SN SN SN SN DC Note 3 DC DC DC DC DC DC DC 00 00 00 CS2 Note 4 00 00 00 00 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 Hex ASCII 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 125 126 127 Hex ASCII 00 00 00
Notes: 1) 2) 3) 4) Byte 63(CS1): Check sum of bytes 0-62. Byte 68-83 (SN): Serial number. Byte 84-91 (DC): Date code. Byte 95 (CS2): Check sum of bytes 64-94.
5) Bytes 128-255 had been set hex. 00.
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DELTA ELECTRONICS, INC.
Sep., 2006 Rev. 0B
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Regulatory Compliance
Feature Electromagnetic Interference (EMI) Radio Frequency Electromagnetic Field Electrostatic Discharge to the Duplex LC Receptacle FCC Class B EN 55022 Class B (CISPR 22A) EN 61000-4-3 IEC 1000-4-3 EN 61000-4-2 IEC 1000-4-2 IEC 801.2 Electrostatic Discharge to the Electrical Pins Eye Safety MIL-STD-883E Method 3015.7 US FDA CDRH AEL Class 1 EN 60950: 2000 EN 60825-1: 1994+A11+A2 EN 60825-2: 2000 Component Recognition CDRH File # 0321539-00 TUV Certificate No. R50032471 (1) Satisfied with electrical characteristics of product spec. (2) No physical damage Reference Performance
Underwriters Laboratories and UL File # E239394 Canadian Standards Association Joint Component Recognition for Information Technology Equipment Including Electrical Business Equipment
Ordering information for SFP modules
LCP-155A4HSRX1 X1: Temperature Blank: -5 to +70 degree C H: -10 to +85 degree C T: -40 to +85 degree C
Related SFP products
LCP-155Bxxx: 155.52Mb/s, Single mode transceiver. LCP-1250xxxx: 1.25Gb/s, Multimode and single mode transceiver from 500m to 10km LCP-2125xxxx: 2.125Gb/s, Multimode and single mode transceiver from 300m to 10km LCP-2488xxxx: 2.488Gb/s, multimode and single mode transceiver from 300m to 15km
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DELTA ELECTRONICS, INC.
Sep., 2006 Rev. 0B
www.deltaww.com

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