RoHS Compliant Gigabit Ethernet LC Bi-directional SFP Transceiver (80km) RBT12SZX Applications Gigabit Ethernet 1X Fiber Channel Features Description RoHS compliant Bi-directional GbE single / multi-rate optical data links over single fiber Compliant with SFP MSA Digital diagnostic SFF-8472 compliant Compliant with IEEE802.3ah 1000BASE- BX10 PMD specifications other than transmitter output power and sensitivity Very low jitter Metal package for lower EMI Single power supply voltage : +3.3V Low power dissipation LC diplexer connector Three optional operating temperature ranges : Option ST : -5 C to 75 C Option ET : -10 C to 85 C Option IT : -40 C to 85 C OE Solutions Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable 20pin Multi- Source Agreement (MSA). RBT12SZX complies with Gigabit Ethernet as specified in IEEE 802.3ah 1000BASE-BX10 other than optical output power and receiver sensitivity to transmit signals over longer reach. Digital diagnostics functions are available via the 2-wire serial bus specified in the SFF-8472 rev.10.4. The transmitter features ac-coupled differential data inputs, and an LVTTL for Tx disable input and Tx fault output. The receiver features differential ac-coupled data outputs and LVTTL for LOS (Loss of Signal) output. Circuit ground is internally isolated from frame ground. www.oesolution.com
1. General Operating Conditions Parameter Symbol Min. Typ. Max. Unit Notes Absolute Supply Voltage Vcc_max 0-4.0 V - Operating Voltage Vcc 3.135-3.465 V - Total Current Icc - - 300 ma - Operating Case Temperature Top -40-85 C 1,2 Storage Temperature Tst -40-85 C - Notes : 1. Measured on top side front center of SFP module. 2. There are three options of operating maximum temperature: Option ST: standard temperature from -5 o C to 75 o C, Option ET: extended temperature from -10 o C to 85 o C and Option IT: Industrial temperature from -40 o C to 85 o C. 2. Transmitter Specifications (Over Operating Case Temperature Range, Vcc = 3.135V to 3.465V) Electrical Characteristics Parameter Symbol Min. Typ. Max. Unit Notes Bit rate B - 1.25 - Gb/s - Input Differential Impedance Rin - 100 - Ω - Single Ended Data Input Swing Vin,pp 100-1000 mv - Tx Disable Voltage Vd 2.4 - - V - Tx Enable Voltage Ven - - 0.8 V - Optical Characteristics Optical Power Pout -2.0-4.0 dbm 1 Optical Extinction Ratio ER 9 - - db - Optical Up link 1480 1490 1500 - λ nm Wavelength Down link 1580 1590 1620 - Optical Rise/Fall Time tr/tf - - 260 ps 2 Side Mode Suppression Ratio SMSR 30 - - db - Spectral Width (-20dB) σ 20 - - 0.88 nm - Transmitter off Output Power - - - -45 dbm - Relative Intensity Noise (OMA 12 RIN) RIN - - -113 db/hz - Deterministic Jitter DJ - - 80 ps - Total Jitter TJ - - 227 ps - Transmitter Output Eye Compliant with Eye Mask Defined in IEEE802.3ah standard Notes : 1. Using 9/125 SMF 2. Unfiltered, 20%~80% values Laser Safety: All transceivers in this datasheet are Class I Laser products per FDA/CDRH and IEC-825 standards. They must be operated under specified operating conditions. 1
3. Receiver Specifications (Over Operating Case Temperature Range, Vcc = 3.135V to 3.465V) Electrical Characteristics Parameter Symbol Min. Typ. Max. Unit Notes Bit rate B - 1.25 - Gb/s - Single Ended Data Output Swing Vout,pp 200-600 mv - Data Output Rise/Fall Time tr/tf - - 260 ps 1 Optical Characteristics Average Rx Sensitivity RSENS - - -26 dbm 2 Maximum Input Power (Overload) Pmax 0 - - dbm - Wavelength Down link 1480 1490 1500 nm - λc Up link 1580 1590 1620 nm - Receiver Reflectance - - - -12 db - LOS Assert LOS_A -35 - - dbm - LOS De-assert LOS_D - - -26 dbm - LOS Hysteresis - 0.5 2 5 db - Deterministic Jitter DJ - - 170 ps - Total Jitter TJ - - 266 ps - Dispersion Penalty DP - - 1 db - Notes : 1. 20%~80% values 2. Measured with a PRBS of 2 7-1 at 1 x 10-12 BER, and 9.0 db extinction ratio at 1550nm. 4. Pin Descriptions SFP Transceiver Electrical Pad Layout 20 19 18 17 16 15 14 13 12 11 Tx GND TD- TD+ Tx VccT VccR Rx GND RD+ RD- Rx GND 1 2 3 4 5 6 7 8 9 10 Tx GND Tx Tx Disable MOD-DEF(2) MOD-DEF(1) MOD-DEF(0) Rate LO Rx GND Rx GND Top of Board Bottom of Board 2
5. Pin Descriptions (continued) Pin Symbol Description Plug Seq. * Notes 1 Tx GND Transmitter Ground 1 1 2 Tx Fault Transmitter Fault Indication 3 2 3 Tx Disable Transmitter Disable 3 3 4 MOD-DEF2 Module Definition 2 3 4 5 MOD-DEF1 Module Definition 1 3 4 6 MOD-DEF0 Module Definition 0 3 4 7 Rate-Select No User Connection 3 5 8 LOS Los of Signal 3 6 9 Rx GND Receiver Ground 1 1 10 Rx GND Receiver Ground 1 1 11 Rx GND Receiver Ground 1 1 12 RD- Receiver Negative Data Out 3-13 RD+ Receiver Positive Data Out 3-14 Rx GND Receiver Ground 1 1 15 VccR Receiver Power 2 3.3V±5% 16 VccT Transmitter Power 2 3.3V±5% 17 Tx GND Transmitter Ground 1 1 18 TD+ Transmitter Positive Data In 3-19 TD- Transmitter Negative Data In 3-20 Tx GND Transmitter Ground 1 1 *Plug Seq. : Pin engagement sequence during hot plugging Notes : 1. Circuit ground is internally isolated from frame ground. Tx GND and Rx GND may be internally isolated within the TRx module. 2. Tx Fault is an open collector output that shall be pulled up with a 4.7kΩ ~ 10kΩ on the host board. Pull up voltage between 2.0V and VccT + 0.3V. When high, output indicates a laser fault of some kind. When low, output indicates normal operation. The LD output is not turned off in case of Tx Fault 3. Tx Disable is an input that is used to shut down the transmitter optical output. It is pulled up within the TRx with a 4.7kΩ ~ 10kΩ. 4. MOD-DEF 0, 1, 2 are the SFP module definition pins. They should be pulled up with a 4.7kΩ ~ 10kΩ on the host board. The pull-up voltage shall be VccT. MOD-DEF0 indicates that the module is present. MOD-DEF1 is the clock line of 2-wire serial interface for serial ID MOD-DEF2 is the data line of 2-wire serial interface for serial ID 5. OE Solutions RBT12SZX SFP transceivers operate at SONET /SDH data rates, 1x Fiber Channel, Gigabit Ethernet, and respective protocols without active control. 6. LOS is an open collector output. Shall be pulled up with a 4.7kΩ ~ 10kΩ on host board. Pull up voltage between 2.0 and VccR+0.3. Logic 0 indicates normal operation. 3
6. Outline Drawings Dimensions are in millimeters (inches) 4
7. PCB layout and Bezel recommendation Dimensions are in inches (millimeters) Notes : 1. Datum and basic dimensions established by customer. 2. Pads and vias are chassis ground, 11 locations 3. Thru holes, plating optional. 5
8. PCB layout and Bezel recommendation (continued) Notes : Thru holes, plating optional. Recommended Panel Opening 6
9. Power Supply Information VccT 1µH 0.1µF VccR 1µH 3.3V 0.1µF 10µF 0.1µF 10µF HOST BOARD SFP MODULE Recommended Host Board Supply Filtering Network SFP Host Board Schematic 7
10. Ordering Information A2h address Parameter Calibration Accuracy Range 96-97 Temperature External +/- 3 o C Note 1 98-99 Vcc External +/- 3% 3.13 to 3.47 100-101 Tx bias External +/- 10% Note 2 102-103 Tx power External +/- 3dB -2 to 4dBm 104-105 Rx Power External +/- 3dB -26 to 0dBm Note: 1) Junction temperature of temperature sensing device. 2) Specified by nominal value 11. Ordering Information Operating Model Name Temperature Up Link Nominal Wavelength Latch Color Optical Power Budget Distance1 RBT12SZX-ST4-5oC to 75oC 1490nm Violet 24dB 80Km RBT12SZX-ET4-10oC to 85oC 1490nm Violet 24dB 80Km RBT12SZX-IT4-40oC to 85oC 1490nm Violet 24dB 80Km Down Link RBT12SZX-ST5-5oC to 75oC 1590nm Red 24dB 80Km RBT12SZX-ET5-10oC to 85oC 1590nm Red 24dB 80Km RBT12SZX-IT5-40oC to 85oC 1590nm Red 24dB 80Km Notes : 1. The transmission distance shown is for guidelines only, not guaranteed. Longer distances can be supported if the power budget of optical link is satisfied. Revision history Date Rev. # Description Author 01/31/2006 Rev. A.0 first release MSPARK 01/16/2008 Rev.A.1 Output power and sensitivity spec was modified Mechanical drawing changed MSPARK 02/12/2009 Rev.A.2 Typo in ordering info corrected: RBT12SZX-IT5 JSYU 02/17/2011 Rev.A.3 Mechanical drawing changed JSYU Contact Information: OE Solutions Co. Ltd. (Korea) Techno Park, 958-3, Daechon-Dong, Buk-Gu, Gwangju, Korea, 500-470. Tel: +82-62-602-7631, Fax: +82-62-602-7639, www.oesolution.com. OE Solutions America, Inc. 560 Sylvan Avenue, 1 st Floor, Englewood Cliffs, NJ 07632 Tel: 201-568-1188 Fax:201-568-1177 8