Finisar FTLX3811M317 User Manual
FTLX3811M3xx DWDM XFP Product Specification – January 2011
F i n i s a r
© Finisar Corporation 11-January-2011
Rev C1
Page 5
III. Electrical
Characteristics
(T
OP
= -5 to 70
°C, V
CC5
= 4.75 to 5.25 Volts)
Parameter Symbol
Min
Typ
Max
Unit
Ref.
Supply Voltage #1
Vcc5
4.75
5.25
V
Supply Voltage #2
Vcc3
3.13
3.46
V
Supply Voltage #3
Vcc2
1.71
1.89
V
Supply Current – Vcc5 supply
Icc5
350
mA
Supply Current – Vcc3 supply
Icc3
400
mA
Supply Current – Vcc2 supply
Icc2
750
mA
Module total power
P
3.5
W
1
Transmitter
Input differential impedance
R
in
100
Ω
2
Differential data input swing
Vin,pp
120 820
mV
Transmit Disable Voltage
V
D
2.0 Vcc
V
3
Transmit Enable Voltage
V
EN
GND
GND+ 0.8
V
Transmit Disable Assert Time
10
us
Receiver
Differential data output swing
Vout,pp
340 650 850 mV
4
Data output rise time
t
r
38
ps
5
Data output fall time
t
f
38
ps
5
LOS Fault
V
LOS fault
Vcc – 0.5
Vcc
HOST
V
6
LOS Normal
V
LOS norm
GND
GND+0.5
V
6
Power Supply Rejection
PSR
See Note 6 below
7
Reference Clock
Clock differential input impedance
Rclk
in
100
Ω
Reference Clock frequency
f0
Baud/64
MHz
Differential clock input swing
Vclkin,pp
640 1600
mV
Clock output rise/fall time
t
rf
200 1250
ps
5
Reference clock frequency tolerance
Df
-100 +100
PPM
Notes:
1. Maximum total power value is specified across the full temperature and voltage range.
2. After internal AC coupling.
3. Or open circuit.
4. Into 100 ohms differential termination.
5. 20 – 80 %
6. Loss Of Signal is open collector to be pulled up with a 4.7k – 10kohm resistor to 3.15 – 3.6V. Logic 0
1. Maximum total power value is specified across the full temperature and voltage range.
2. After internal AC coupling.
3. Or open circuit.
4. Into 100 ohms differential termination.
5. 20 – 80 %
6. Loss Of Signal is open collector to be pulled up with a 4.7k – 10kohm resistor to 3.15 – 3.6V. Logic 0
indicates normal operation; logic 1 indicates no signal detected.
7. Per Section 2.7.1. in the XFP MSA Specification
1
.
IV. Optical
Characteristics
(EOL, T
OP
= -5 to 70
°C, V
CC5
= 4.75 to 5.25 Volts)