FTLX1841 Product Specification – August 2008
III.
Electrical Characteristics
Recommended Operating Conditions
Parameter
Operating Case Temperature
1)
Transponder Total Power
Consumption
Supply Voltage +5.0 V
Supply Current +5.0 V
Supply Voltage +3.3 V
Supply Current +3.3 V
Supply Voltage APS
Supply Current APS
1)
Symbol
T
C
P
V
CC5
I
CC5
V
CC3
I
CC3
V
CC aps
I
CC aps
min.
0
4.75
3.14
1.152
Values
typ.
max.
70
4
5.25
500
3.47
1000
1.248
1200
Unit
°C
W
V
mA
V
mA
V
mA
5.0
3.3
1.2
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
typ.
Parameter
Symbol
min.
1)
1.2 V CMOS (1.8 V CMOS Compatible ) I/O DC Characteristics
(PRTAD; LASI; RESET; TX_ONOFF)
External Pull-up Resistor for Open Drain
R
pullup
10
2)
Output High Voltage
V
oh
1
2)
Output Low Voltage
V
ol
Input High Voltage
V
ih
0.84
Input Low Voltage
V
il
3)
Input Pull-down Current
I
pd
20
XAUI I/O DC Characteristics (TXLANE[0..3]; RXLANE[0..3])
Differential Input Amplitude (pk-pk)
4)
V
in_xaui
4)
Differential Output Amplitude (pk-pk)
V
out_xaui
MDIO I/O DC Characteristics (MDIO; MDC)
Output Low Voltage
5)
Output Low Current
Input High Voltage
Input Low Voltage
Pull-up Supply Voltage
Input Capacitance
Load Capacitance
External Pull-up Resistance
1)
2)
3)
4)
5)
max.
22
0.15
1.5
0.36
120
2500
1600
0.2
4
1.5
0.36
1.248
10
470
Unit
kΩ
V
V
V
V
µA
mV
mV
V
mA
V
V
V
pF
pF
Ω
200
800
–0.3
0.84
–0.3
1.152
200
V
OL
I
OL
V
IH
V
IL
V
PU
C
IN
C
LOAD
R
LOAD
1.2
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.
R
pull-up
= 10 kΩ to 1.8 V.
V
in
= 1.8 V.
AC coupled.
I
OL
= 100 µA.
©
Finisar Corporation – August 2008 Rev. D1
Page 5