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TRPV3GET2C000E2G Datasheet(PDF) 3 Page - OPLINK Communications Inc. |
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TRPV3GET2C000E2G Datasheet(HTML) 3 Page - OPLINK Communications Inc. |
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3 / 5 page  Oplink Communications, Inc TRPV3GET2C000E2G S0241. Rev.01. (web) 2012-04-25 3 Timing Specifications Electrical Pad Layout Host Board Connector Pad Layout Toward Bezel Toward ASIC 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 TX1 Disable TD- (TX DATA IN-) TD+ (TX DATA IN+) TX GND VccTX1 VccTX2 TX GND NO CONNECTION NO CONNECTION TX GND Top of Board 1 2 3 4 5 6 7 8 9 10 TX GND NO CONNECTION NO CONNECTION TX GND I2C CLK I2C DATA TX GND TD+ (TX2 DATA IN+) TD- (TX2 DATA IN-) TX2 Disable Bottom of Board (as viewed thru top of board) Application Notes Electrical Interface: Signal interfaces are compatible with the SFP MSA specification. The high speed DATA interface is differential AC-coupled internally and can be directly connected to a 3.3V SERDES IC. All low speed control and sense output signals are open collector TTL compatible and should be pulled up with a 4.7 - 10kΩ resistor on the host board. TX_Fault: The output indicates LOW when the transmitter is operating normally and HIGH with a laser fault including laser end-of-life.TX Fault is an open collector/drain output and should be pulled up with a 4.7 - 10kΩ resistor on the host board. TX_Disable: When the TX Disable pin is at logic HIGH, the transmitter optical output is disabled. The laser is also disabled if this line is left floating, as it is pulled high inside the transceiver. Serial Identification and Monitoring: The module definition of SFP is indicated by the MOD_ABS pin and the 2-wrie serial interface. Upon power up, the 2-wrie interface appears as NC (no connection), and MOD_ABS is TTL LOW. When the host system detects this condition, it activates the serial protocol (standard two-wire I2C serial interface) and generates the serial clock signal (SCL). The positive edge clocks data into the EEPROM segments of the device that are not write protected, and the negative edge clocks data from the device. The serial data signal (SDA) is for serial data transfer. The host uses SDA in conjunction with SCL to mark the start and end of serial protocol activation. The supported monitoring functions are temperature, voltage, bias current, transmitter power, all alarms and warnings, and software monitoring ofTX Fault.The device is internally calibrated. The data transfer protocol and the details of the mandatory and vendor specific data structures are defined in the SFP MSA, and SFF-8472, Rev. 9.4. Power Supply and Grounding: The power supply line should be well-filtered. All power supply bypass capacitors should be as close to the transceiver module as possible. Parameter Symbol Minimum Typical Maximum Units Time to Initialize (from power on) t_init - - 300 ms Tx_Disable Assert Time t_off - - 10 µs Tx_Disable Negate Time t_on - - 1 ms I2C Clock Rate - - - 400 kHz |
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