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SPBD-1250B4Q1RT
Intelligent SFP Bi-Directional Transceiver
Module for Gigabit Ethernet and Fast Ethernet
FEATURES
RoHS compliant
Digital Diagnostic SFF-8472, Rev. 9.5 MSA
compliant
Support Multi-Rate for Gigabit Ethernet and
Fast Ethernet
Simplex LC connector with 1490nm
Transmitter and 1310nm Receiver
Single + 3.3V power supply and TTL logic
interface
Bellcore GR-468 compliant
Laser class 1 product which comply with the
requirements of IEC 60825-1 and IEC 60825-2
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SPBD-1250B4Q1RT 1. Absolute Maximum Ratings Parameter Symbol Min. Typ. Max. Unit Note Storage Temperature Ts -40 85 ºC Storage Ambient Humidity HA 5 95 % Power Supply Voltage VCC 0 5 V Signal Input Voltage -0.3 Vcc+0.3 V Optical Input Power (Peak) +3 dBm 2. Recommended Operating Conditions Parameter Symbol Min. Typ. Max. Unit Note Operating Case Temperature TC -40 85 ºC Note (1) Non-condensing Ambient Humidity HA 5 85 % Power Supply Voltage VCC 3.135 3.3 3.465 V
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SPBD-1250B4Q1RT 1+Y3 1 1-Y1 0.5 Y1 0 -Y2 1-X2 1-X1 1 0 X1 X2 Normalized 4. Specification of Receiver Parameter Symbol Min. Typ. Max. Unit Note λ Input Optical Wavelength 1260 1360 nm PIN-PD IN Receiver Sensitivity P -23 dBm Note (1) IN Input Saturation Power (Overload) P -3 dBm SAT 5.0 uW Receive Sensitivity OMA OMA Note (2) -21.1 dBm LOS-Deassert Power P - -24 dBm A LOS-Assert Power P -44 dBm Note (3) D LOS Hysteresis P -P 0.5 2 6 dB A D Rece
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SPBD-1250B4Q1RT 5. Electrical Interface Characteristics Parameter Symbol Min. Typ. Max. Unit Note Transmitter Total Supply Current I A mA Note (1) CC Differential Data Input Swing VDT 500 2400 mV p-p Differential line input Impedance R 80 100 120 Ohm IN Transmitter Disable Input-High V 2 V V Note (2) DISH CC Transmitter Disable Input-Low V 0 0.8 V DISL Transmitter Fault Output-High V 2 V+0.3V TXFH CC Transmitter Fault Output-Low V 0 0.8 V TXFL Transmitter Fault Pull up
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SPBD-1250B4Q1RT 6. Enhanced Digital Diagnostic Interface The memory map in the following describes an extension to the memory map defined in SFP MSA. The enhanced interface uses the two wire serial bus address 1010001X(A2h) to provide diagnostic information about the module’s present operating conditions. 2 wire address 1010000 X (A0h) 2 wire address 1010001 X (A2h) 0 0 Alarm and Warning Thresholds (56 bytes) Serial ID Defined by SFP MSA 55 (96 bytes) 56 Cal Constants
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SPBD-1250B4Q1RT 8. Pin Description SFP Transceiver Electrical Pad Layout Host Board Connector Pad Layout Pin Function Definitions Pin Num. Name Function Plug Seq. Notes 1 VeeT Transmitter Ground 1 Note (1) 2 TX Fault Transmitter Fault Indication 3 Note (2) 3 TX Disable Transmitter Disable 3 Note (3) 4 MOD-DEF2 Module Definition 2 3 Note (4), 2 wire serial ID interface 5 MOD-DEF1 Module Definition 1 3 Note (4), 2 wire serial ID interface 6 MOD-DEF0 Module Definiti
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SPBD-1250B4Q1RT Notes: 1) Circuit ground is internally isolated from frame (chassis) ground. Tx GND and Rx GND may be internally isolated within the TRx module. 2) TX Fault is an open collector/drain output, which should be pulled up with a 4.7K~10K Ω resistor on the host board. Pull up voltage between 2.0V and VccT+0.3V. The output indicates Low when the transmitter is operating normally, and High with a laser fault including laser end-of-life. In the low state, the output will be pul
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SPBD-1250B4Q1RT 9. Recommend Interface Circuit VCC 3.3V 1uH Protocol Vcc DELTA SFP Module 1uH RES1 10uF 0.1uF VccT 0.1uF 10k Ohms Tx_Disable Tx_Disable Tx_Fault Tx_Fault TD + 0.01uF Laser Driver 100 Ohms Laser Diode TD - 0.01uF VeeT Protocol IC SerDes IC VccR RES1 10uF 0.1uF RD + 0.01uF Preamp & Quantizer 100 Ohms* Photo Diode RD - 0.01uF Rx_LOS Rx_LOS 3.3V VeeR RES1 RES1 RES1 Mod_def 2 PLD / PAL EEPROM Mod_def 1 Mod_def 0 RES1 = 4.7k to 10k Ohms * Depands on SerDes IC used SFP Host Board
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SPBD-1250B4Q1RT 10. Outline Dimensions Class 1 Laser Product XXXX nm Tx / Rx XXXX nm Week (52Weeks/Year) : 1月2日=01 Transmitter Wavelength Latch Color Identifier 1310nm Black Violet 1490nm 9 Revision: S1 03/12/2007 www.deltaww.com DELTA ELECTRONICS, INC. Complies with 21 CFR 1040.10 and 1040.11 Made in x FS
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SPBD-1250B4Q1RT 11. Regulatory Compliance Feature Test Method Reference Performance Electrostatic Discharge Human Body Model MIL-STD-883E Method 3015.7 (ESD) to the Electrical (HBM) EIA-JESD22-A114 Pins (1) Satisfied with Machine Model (MM) EIA-JESD22-A115 Electrostatic Discharge Contact Discharge IEC/EN 61000-4-2 electrical (ESD) to the Simplex IEC/EN 61000-4-2 characteristics of Air Discharge product spec. Receptacle Radio Frequency IEC/EN 61000-4-3 (2) No physical damage Ele
