5. Electrical Interface Characteristics
Parameter
Transmitter
Total Supply Current
Differential Data Input Swing
Differential line input Impedance
Transmitter Disable Input-High
Transmitter Disable Input-Low
Transmitter Fault Output-High
Transmitter Fault Output-Low
Transmitter Fault Pull up Resistor
Receiver
Total Supply Current
Differential Data Output Swing
LOS Output Voltage-High
LOS Output Voltage-Low
Receiver LOS Load
Note (1). A (TX)+ B (RX) = 300mA
(A: Not include termination circuit; B: using a resister of 150Ω between Data-output and ground)
Note (2). There is an internal 4.7 to 10kΩ pull-up resistor to VccT.
Note (3). Pull up to V
CC
Note (4). Internally AC coupled with CML output, but requires a 100Ohm differential termination at or
internal to Serializer/ Deserializer.
DELTA ELECTRONICS, INC.
Symbol
I
CC
V
DT
R
IN
V
DISH
V
DISL
V
TXFH
V
TXFL
R
TX_FAULT
I
CC
V
DR
V
LOSH
V
LOSL
R
RXLOS
on host Board.
Min.
Typ.
Max.
500
2400
80
100
120
2
V
0
0.8
2
V
CC
0
0.8
4.7
10
400
900
2
V
CC
0
0.8
4.7
10
4
SPBD-1250B4Q1R
Unit
A
mA
Note (1)
mV
p-p
Ohm
V
Note (2)
CC
V
+0.3
V
V
kΩ
Note (3)
B
mA
Note (1)
mV
Note (4)
p-p
+0.3
V
V
kΩ
Note (3)
Revision: S1
03/12/2007
www.deltaww.com
Note