2.5 GB/S CWDM SFP TRANSCEIVER
6
Timing of Status and Control Input/Output
Parameter
Symbol
Condition
Specification
Maximum 10 µs
Maximum 1 ms
TX_DISABLE assert time
t_off
Time from rising edge of TX_DISABLE to when the
output optical power falls below 10% of nominal
Time from falling edge of TX_DISABLE to when the
output optical power rises above 90% of nominal
TX_DISABLE deassert time t_on
Time to initialize
t_init
Upon power up or negation of TX_FAULT due to TX_DISABLE Maximum 300 ms
TX_FAULT assert time
TX_DISABLE for reset
LOS assert time
LOS deassert time
2-wire serial clock rate
t_fault
t_reset
t_loss_on
t_loss_off
f_serial_clock
Time from a fault condition to TX_FAULT assertion
Time TX_DISABLE must be held HIGH to reset TX_FAULT
Time from loss of signal to assertion of LOS
Time from non-loss condition to LOS deassertion
-
Maximum 100 µs
Minimum 10 µs
Maximum 100 µs
Maximum 100 µs
Maximum 100 kHz
Power Supply Voltage
Parameter
Short Haul (40 km, PIN)
Long Haul (80 km, APD)
Supply voltage
Minimum
Typical
3.1 V
3.3 V
3.1 V
3.3 V
Maximum
Typical
Maximum
3.5 V
275 mA
320 mA
3.5 V
285 mA
350 mA
Power supply current drain1
1. Applies to hardware revision 2. Does not include output termination resistor current.