FTLX8574D3BCV Finisar

Product Specification 1G/10G 850nm Multimode Datacom SFP+ Transceiver FTLX8574D3BCV PRODUCT FEATURES Hot-pluggable SFP+ footprint Supports rate selectable 1.25 Gb/s or 9.95 to 10.3 Gb/s bit rates Power dissipation < 1W RoHS-6 compliant (lead-free) Commercial temperature range -5C to 70C Single 3.3V power supply . Maximum link length of 400m on OM4 MMF Uncooled 850nm VCSEL laser APPLICATIONS 1000BASE-SX 1G Ethernet Receiver limiting electrical interface 10GBASE-SR/SW 10G Ethernet Duplex LC connector Built-in digital diagnostic functions Finisars FTLX8574D3BCV 1G/10G Dual-Rate SFP+ transceivers are designed for use in 1-Gigabit and 10-Gigabit Ethernet links over multimode fiber. They are compliant 1 2 3 with SFF-8431 , IEEE 802.3-2012 10GBASE-SR/SW and 1000BASE-SX . Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF- 4 8472 . The FTLX8574D3BCV is a limiting module, i.e., it employs a limiting receiver. Host board designers using an EDC PHY IC should follow the IC manufacturers recommended settings for interoperability with an SFP+ limiting module. This product is for applications specifically designed for 10G SFP+ ports and 1G/10G SFP+ ports and not native 1G SFP ports. The optical transceiver is compliant per the 5 6 RoHS Directive 2011/65/EU . See Finisar Application Note AN-2038 for more details. PRODUCT SELECTION FTLX8574D3BCV Finisar Corporation - June 2015 Rev. B Page 1 FTLX8574D3BCV Product Specification I. Pin Descriptions Pin Symbol Name/Description Ref. 1 V Transmitter Ground (Common with Receiver Ground) 1 EET 2 T Transmitter Fault. 2 FAULT 3 T Transmitter Disable. Laser output disabled on high or open. 3 DIS 4 SDA 2-wire Serial Interface Data Line 4 5 SCL 2-wire Serial Interface Clock Line 4 6 MOD ABS Module Absent. Grounded within the module 4 RS0 for Rate Select: Open or Low = Module supports 1.25 Gb/s 7 RS0 5 High = Module supports 9.95 Gb/s to 10.3125 Gb/s 8 RX LOS Loss of Signal indication. Logic 0 indicates normal operation. 6 9 RS1 No connection required 10 V Receiver Ground (Common with Transmitter Ground) 1 EER 11 V Receiver Ground (Common with Transmitter Ground) 1 EER 12 RD- Receiver Inverted DATA out. AC Coupled 13 RD+ Receiver Non-inverted DATA out. AC Coupled 14 V Receiver Ground (Common with Transmitter Ground) 1 EER 15 V Receiver Power Supply CCR 16 V Transmitter Power Supply CCT 17 V Transmitter Ground (Common with Receiver Ground) 1 EET 18 TD+ Transmitter Non-Inverted DATA in. AC Coupled. 19 TD- Transmitter Inverted DATA in. AC Coupled. 20 V Transmitter Ground (Common with Receiver Ground) 1 EET Notes: 1. Circuit ground is internally isolated from chassis ground. 2. T is an open collector/drain output, which should be pulled up with a 4.7k 10k Ohms resistor on the host board FAULT if intended for use. Pull up voltage should be between 2.0V to Vcc + 0.3V. A high output indicates a transmitter fault caused by either the TX bias current or the TX output power exceeding the preset alarm thresholds. A low output indicates normal operation. In the low state, the output is pulled to <0.8V. 3. Laser output disabled on T >2.0V or open, enabled on T <0.8V. DIS DIS 4. Should be pulled up with 4.7k 10k on host board to a voltage between 2.0V and 3.6V. MOD ABS pulls line low to indicate module is plugged in. 5. Transceiver data rate selected through the 2-wire bus in accordance with SFF-8472 Rev. 10.3. Soft RS0 is set at Bit3, Byte 110, Address A2h. Soft RS0 default state on power up is 0 LOW, and the state is reset following a power cycle. Writing 1 HIGH selects max. data rate operation. Transceiver data rate is the logic OR of the input state of the RS0 pin and soft RS0 bit. Thus, if either the RS0 pin OR the soft RS0 bit is HIGH then the selected data rate will be 9.95 and 10.3 Gb/s. Conversely, to select data rate 1.25 Gb/s both the RS0 pin and the soft RS0 bit are set LOW. 6. LOS is open collector output. Should be pulled up with 4.7k 10k on host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation logic 1 indicates loss of signal. VeeT 20 VeeT 1 TD- 19 2 TX Fault TD+ 18 TX Disable 3 VeeT 17 SDA 4 VccT 16 SCL 5 Towards Towards VccR 15 Bezel MOD ABS 6 ASIC VeeR 14 RS0 7 RD+ 13 RX LOS 8 RD- 12 9 RS1 VeeR 11 10 VeeR Figure 1. Diagram of Host Board Connector Block Pin Numbers and Names. Finisar Corporation - June 2015 Rev. B Page 2