Delta Electronics LCP-1250RJ3SR-S User Manual

Page of 9
 
 
                                      LCP-1250RJ3SR-S
 
DELTA ELECTRONICS, INC.
 
  Oct. 17. 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 
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   
Differential Output Impedance 
Z
RX
 80 100 
120 Ohm 
 
Data Output Rise/Fall Time 
t
r,Rx
/ t
f,Rx
 180   ps 
 
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