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Electrical characteristics, Sfp transceiver electrical pad layout – Delta Electronics LCP-1250RJ3SR-S User Manual

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LCP-1250RJ3SR-S

DELTA ELECTRONICS, INC.

3

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

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


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