LCP-1250RJ3SR-L
DELTA ELECTRONICS, INC.
- 3 -
Oct
.
2007 Rev. 1.02
www.deltaww.com
Electrical Characteristics
(T
A
=0 ºC to 70 ºC, V
CC
=3.135V to 3.465V)
Parameter Symbol
Min.
Typ.
Max.
Unit
Note
Supply Current
I
CC
350
400
mA
Transmitter
Transmitter Differential Input Voltage
V
D,TX
0.5 2.4 V
1
Differential Input Impedance
Z
TX
80 100
120 Ohm
Transmitter Disable Input-High
V
DISH
2.0 V
CC
+0.3
V
Transmitter Disable Input-Low
V
DISL
0 0.8 V
Receiver
Data Output Differential Voltage
V
D,RX
0.35
2
V
3
Differential Output Impedance
Z
RX
80 100
120 Ohm
Data Output Rise/Fall Time
t
r,Rx
/ t
f,Rx
180 ps
4
LOS Output Voltage-High
V
SDHL
2.0 V
CC
+0.3
V
2
LOS Output Voltage-Low
V
SDL
0 0.8 V
2
Notes:
1. Internally AC coupled and terminated to 100-Ohm differential load.
2. Pull up to V
CC
with a 4.7K – 10K Ohm resistor on host Board
3. Internally AC coupled, but requires a 100-Ohm differential termination at MAC side.
4. These are unfiltered 20%~80% values
SFP Transceiver Electrical Pad Layout
