SFP optical modules

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SFP optical modules PRODUCT FEATURES Up to 155 Mb/s bi-directional data links Hot-pluggable SFP footprint Uncooled 1310nm DFB laser transmiter Duplex LC connector Low power dissipation Metal enclosure, for lower EMI Up to 20km on 9/125µm SMF Single 3.3V power supply Operating temperature range: 0°C to 70°C Absolute Maximum Ratings Parameter Symbol Min Typ Max Unit Ref. Maximum Supply Voltage Vcc -0.5 4.7 V Storage Temperature TS -40 85 °C Case Operating Temperature TOP 0 70 °C Electrical Characteristics (TOP = 0 to 70, VCC = 3.15 to 3.60Volts) Parameter Symbol Min Typ Max Unit Ref. Supply Voltage Vcc 3.15 3.3 3.6 V Supply Current Icc 185 250 mA Transmitter Input differential impedance Rin 100 Ω 1 Single ended data input swing Vin,pp 250 1200 mV Transmit Disable Voltage VD Vcc 1.3 Vcc V Transmit Enable Voltage VEN Vee Vee+ 0.8 V 2 Transmit Disable Assert Time 10 us Receiver Single ended data output swing Vout,pp 250 800 mV 3 Data output rise time tr 100 175 ps 4 Data output fall time tf 100 175 ps 4 LOS Fault VLOS fault Vcc0.5 VccHOST V 5 LOS Normal VLOS norm Vee Vee+0.5 V 5 Power Supply Rejection PSR 100 mVpp 6 Notes: 1. Connected directly to TX data input pins. AC coupled thereafter. 2. Or open circuit. 3. Into 100 ohms differential termination. 4. 20 80 % 5. Loss Of Signal is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected. 6. Receiver sensitivity is compliant with power supply sinusoidal modulation of 20 Hz to 1.5 MHz

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NCC OPTIC CO LTD

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