User Guide

FTLX1461E2 Product Specification – October 2008
© Finisar Corporation – October 2008 Rev B Page 5
III. Electrical Characteristics
Recommended Operating Conditions
Values
Parameter Symbol
min. typ. max.
Unit
Operating Case Temperature
1)
T
C
0 70 °C
Transponder Total Power
Consumption
P 3.5 W
Supply Voltage +5.0 V V
CC5
4.75 5.0 5.25 V
Supply Current +5.0 V I
CC5
300 mA
Supply Voltage +3.3 V V
CC3
3.14 3.3 3.47 V
Supply Current +3.3 V I
CC3
300 mA
Supply Voltage APS V
CC aps
1.152 1.2 1.248 V
Supply Current APS I
CC aps
1000 mA
1)
Worst case thermal location, see Figure 2.
See also Environmental Performance.
Electrical DC Characteristics
(V
CC5
= 4.75 V to 5.25 V, V
CC3
= 3.14 V to 3.47 V, V
CC aps
= 1.152 V to 1.248 V, T
C
= 0°C to 70°C)
Values
Parameter Symbol
min. typ. max.
Unit
1.2 V CMOS (1.8 V CMOS Compatible
1)
) I/O DC Characteristics
(PRTAD; LASI; RESET; TX_ONOFF)
External Pull-up Resistor for Open Drain R
pullup
10 22 kΩ
Output High Voltage
2)
V
oh
1 V
Output Low Voltage
2)
V
ol
0.15 V
Input High Voltage V
ih
0.84 1.5 V
Input Low Voltage V
il
0.36 V
Input Pull-down Current
3)
I
pd
20 120 µA
XAUI I/O DC Characteristics (TXLANE[0..3]; RXLANE[0..3])
Differential Input Amplitude (pk-pk)
4)
V
in_xaui
200 2500 mV
Differential Output Amplitude (pk-pk)
4)
V
out_xaui
800 1600 mV
MDIO I/O DC Characteristics (MDIO; MDC)
Output Low Voltage
5)
V
OL
–0.3 0.2 V
Output Low Current I
OL
4 mA
Input High Voltage V
IH
0.84 1.5 V
Input Low Voltage V
IL
–0.3 0.36 V
Pull-up Supply Voltage V
PU
1.152 1.2 1.248 V
Input Capacitance C
IN
10 pF
Load Capacitance C
LOAD
470 pF
External Pull-up Resistance R
LOAD
200 Ω
1)
For 1.8 V CMOS V
oh
= 1.65 V min., V
ol
= 0.15 V max., V
ih
= 1.17 V min., V
il
= 0.63 V max.
2)
R
pull-up
= 10 kΩ to 1.8 V.
3)
V
in
= 1.2 V.
4)
AC coupled.
5)
I
OL
= 100 µA.