TRXA48M

Multi-rate OC-48/STM-16 SFP Transceivers with Digital Diagnostics TRXA48M Single Mode Product Description The TRXA48M SFP series of multi-rate fiber optic transceivers with digital diagnostics monitoring functionality provide a quick and reliable interface for short reach (SR), intermediate reach (IR) and long reach (LR) applications. Diagnostics monitoring functionality (alarm and warning features) is integrated into the design via an I2C serial interface per the Multi-Source Agreement (MSA) SFF-8472, Rev. 9.4. Products under this series are compatible with SONET/ SDH standards for OC-48/STM-16 (2.488Gb/s) SR-1/I-16 short reach, IR-1/S-16.1 & IR-2/S-16.2 intermediate reach and LR-1/L-16.1 & LR-2/L-16.2 long reach applications, OC-3/STM-1 (156Mb/s) and OC-12/STM-4 (622Mb/s) SR/I-1 and I-4 short reach applications; Gigabit Ethernet LX (1.25Gb/s) applications per IEEE 802.3; and Fibre Channel 200-SM-LC-L (2.125Gb/s) and 100-SM-LC-L (1.062Gb/s) applications per FC-PI standards. The transceivers support data rates ranging from 2.67Gb/s down to 125Mb/s. All modules satisfy Class I Laser Safety requirements in accordance with the U.S. FDA/CDRH and international IEC60825 standards. The TRXA48 multi-rate transceivers connect to standard 20-pad SFP connectors for hot plug capability. This allows the system designer to make configuration changes or maintenance by simply plugging in different types of transceivers without removing the power supply from the host system. The transceivers have colored bail-type latches, which offer an easy and convenient way to release the modules. The latch is compliant with the SFP MSA. The transmitter and receiver DATA interfaces are AC-coupled internally. LVTTL Transmitter Disable control input and Loss of Signal output interfaces are also provided. The transceivers operate from a single +3.3V power supply over an operating case temperature range of -5°C to +70°C or -40°C to +85°C. The housing is made of metal for EMI immunity. Features           Lead Free Design & Fully RoHS Compliant Operating Bit Rate of 125Mb/s to 2.67Gb/s Compatible with SONET/SDH OC-48/STM-16 Compatible with Gigabit Ethernet LX Compatible with Fibre Channel 200-SM-LC-L and 100-SM-LC-L Digital Diagnostics through Serial Interface Internal Calibration for Digital Diagnostics APD Receiver for Long Reach Applications Eye Safe (Class I Laser Safety) Duplex LC Optical Interface  Hot-pluggable  TX Fault & Loss of Signal Outputs  TX Disable Input Absolute Maximum Ratings Parameter Storage Temperature Operating Case Temperature1 Supply Voltage Maximum Input Optical Power (30 seconds max.) Input Voltage Lead Terminal Finish, Reflow Profile Limits and MSL 1 Symbol TST “B” Option “A” Option TOP VCC Pin,max VIN - Minimum - 40 -5 - 40 0 0 - Maximum + 85 + 70 + 85 +5.0 + 3.0 VCC NA Units °C °C V dBm V - Measured on top side of SFP module at the front center vent hole of the cage. An Oplink Company RevC-NP.2008.09.09 TRXA48M Single Mode Transmitter Performance Characteristics Parameter Operating Data Rate Average Optical Output Power (coupled into single mode fiber), 50% duty cycle Extinction Ratio SR-1 IR-1, IR-2 LR-1, LR-2 OC-3/12/48 & 2.125Gb/s 1.25Gb/s & 1.062Gb/s SR-1, IR-1 Center Wavelength IR-2 LR-1 LR-2 Spectral Width (RMS) Spectral Width (-20dB) Side Mode Suppression Ratio Relative Intensity Noise Jitter Generation Dispersion Penalty Optical Output Eye 1 (Over Operating Case Temperature. VCC = 3.13 to 3.47V) Minimum 0.125 - 8.0 - 5.0 - 2.0 8.2 9.0 1 Symbol B PO Typical 1310 1550 1310 1550 - Maximum 2.67 - 3.0 0 + 3.0 1360 1580 1335 1580 2.4 1.0 0.16 - 117 0.07 1.0 2.0 Units Mb/s dBm dB Phi /Plo 1266 λC 1430 1280 1500 ΔλRMS Δλ20 SMSR t r , tf RIN 30 ---- nm SR-1 IR-1, IR-2, LR-1, LR-2 IR-1, IR-2, LR-1, LR-2 nm nm dB ns dB/Hz UIp-p dB Optical Rise/Fall Time (20% to 80%) OC-48 IR-1, IR-2, LR-1, LR-2 2 JG - Compliant with Telcordia GR-253-CORE and ITU-T Recommendation G.957 Except for LR-2 which is 8.2dB minimum. 2 Specified at 1600ps/nm dispersion, which corresponds to the approximate worst-case dispersion for 80km G.652/G.654 fiber over the wavelength range of 1500-1580nm Receiver Performance Characteristics Parameter Operating Data Rate Receiver Sensitivity (10-10 BER)1 2.67Gb/s, OC-48 2.125Gb/s, 1.25Gb/s, 1.062Gb/s SR-1, IR-1, IR-2 LR-1, LR-2 SR-1, IR-1, IR-2 LR-1, LR-2 (Over Operating Case Temperature. VCC = 3.13 to 3.47V) Symbol B Pmin Minimum 0.125 - 19.0 - 28.0 - 23.0 - 20.0 Pmin - 26.0 - 23.0 - 3.0 Pmax Plos+ PlosPlos+ Plost_loss_off t_loss_on λ 0 - 8.0 - 35.0 - 42.0 2.3 0.5 3 1260 Typical Maximum 2.67 - 23.0 - 28.0 100 100 1600 - 27.0 μs dB nm dB dBm dBm dBm dBm Units Gb/s OC-3/12 Receiver Sensitivity (10-12 BER)2 0.125Gb/s Maximum Input Optical Power (10 -12 BER) SR-1, IR-1, IR-2 LR-1, LR-2 SR-1 IR-1, IR-2 LR-1, LR-2 Increasing Light Input Decreasing Light Input Increasing Light Input Decreasing Light Input Increasing Light Input Decreasing Light Input LOS Thresholds LOS Timing Delay LOS Hysteresis Wavelength of Operation Receiver Reflectance 1 2 3 Measured with 2 -1 PRBS. Measured with 27-1 PRBS. For OC-3, Minimum Hysteresis is 0.2dB. 23 Oplink Communications, Inc. 2 RevC-NP.2008.09.09 TRXA48M Single Mode Transmitter Performance Characteristics Parameter Input Voltage Swing (TD+ & TD-) 1 Input HIGH Voltage (TX Disable) Input LOW Voltage (TX Disable) Output LOW Voltage (TX Fault) 1 2 3 (Over Operating Case Temperature. VCC = 3.13 to 3.47V) Minimum 0.35 2.0 0 2.0 0 Typical Maximum 1.75 VCC 0.8 VCC + 0.3 0.8 Units V V V V V Symbol VPP-DIF VIH VIL VOH VOL 2 2 Output HIGH Voltage (TX Fault) 3 3 Differential peak-to-peak voltage. There is an internal 4.7 to 10kΩ pull-up resistor to VccT. Open collector compatible, 4.7 to 10kΩ pull-up resistor to Vcc (Host Supply Voltage). Receiver Electrical Interface Parameter Output Voltage Swing (RD+ & RD-) Output HIGH Voltage (LOS) Output LOW Voltage (LOS)) 1 2 (Over Operating Case Temperature. VCC = 3.13 to 3.47V)) Symbol Minimum 0.40 VCC - 1.3 0 Typical Maximum 1.75 VCC + 0.3 0.5 Units V V V 1 VPP-DIF VOH VOL 2 2 Differential peak-to-peak voltage across external 100Ω load. Open collector compatible, 4.7 to 10kΩ pull-up resistor to Vcc (Host Supply Voltage). Electrical Power Supply Characteristics Parameter Supply Voltage Supply Current SR-1, IR-1, IR-2 LR-1, LR-2 VCC ICC (Over Operating Case Temperature. VCC = 3.13 to 3.47V)) Minimum 3.13 Typical 3.3 175 175 Maximum 3.47 295 350 Units V mA Symbol Module Definition MOD_DEF(0) pin 6 MOD_DEF(1) pin 5 MOD_DEF(2) pin 4 Interpretation by Host TTL LOW SCL SDA Serial module definition protocol Electrical Pad Layout 20 19 18 17 16 15 14 13 12 11 TX GND TD- (TX DATA IN-) TD+ (TX DATA IN+) TX GND VccTX VccRX RX GND RD+ (RX DATA OUT+) RD- (RX DATA OUT-) RX GND Host Board Connector Pad Layout 20 19 18 17 16 15 14 13 12 11 Toward ASIC 1 2 3 4 5 6 7 8 9 10 TX GND TX Fault TX Disable MOD_DEF(2) MOD_DEF(1) MOD_DEF(0) NO CONNECTION LOS RX GND RX GND 1 2 3 Toward Bezel 4 5 6 7 8 9 10 Top of Board Bottom of Board (as viewed thru top of board) Oplink Communications, Inc. 3 RevC-NP.2008.09.09 TRXA48M Single Mode Example of SFP host board schematic Vcc 3.3V 1μH coil or ferrite bead (