Delta Electronics SFP Bi-Directional Transceiver Module SPBD-155F4J1RT - Manual (Page 4)

SPBD-155F4J1RT
DELTA ELECTRONICS, INC.
4 Revision: S1
09/20/2006
www.deltaww.com
5. Electrical Interface Characteristics
Parameter Symbol Min. Typ. Max. Unit Note
Transmitter
Total Supply Current
I
CC
A mA Note (1)
Differential Data Input Swing V DT 500 2400 mV
p-p
Differential line input Impedance R
IN
80 100 120 Ohm
Data Input Voltage- High V
IH
-V
CC
-1.165 -0.880 V
Data Input Voltage- Low V
IL
-V
CC
-1.810 -1.475 V
Transmitter Disable Input-High V
DISH
2 V
CC
V
Transmitter Disable Input-Low V
DISL
0 0.8 V
Transmitter Fault Output-High V
TXFH
2 V
CC
+0.3 V
Transmitter Fault Output-Low V
TXFL
0 0.8 V
Transmitter Fault Pull up Resistor R
TX_FAULT
4.7 10 kΩ Note (2)
Receiver
Total Supply Current
I
CC
B mA Note (1)
Differential Data Output Swing V DR 400 2000 mV
p-p
Note (3)
Data Output Voltage-High V
OH
-V
CC
-1.085 -0.880 V
Data Output Voltage-Low V
OL
-V
CC
-1.830 -1.555 V
LOS Output Voltage-High V
LOSH
2 V
CC
+0.3 V
LOS Output Voltage-Low V
LOSL
0 0.8 V
Receiver LOS Load R
RXLOS
4.7 10 kΩ Note (2)
Note (1). A (TX)+ B (RX) = 250mA (Not include termination circuit)
Note (2). Pull up to V
CC
on host Board.
Note (3). Internally AC coupled, but requires a 100Ohm differential termination at or internal to Serializer/
Deserializer.
6. Timing of Control and Status I/O
Parameter Symbol Min. Max. Unit Unit Conditions
TX_DISABLE Assert
Time
t_off 10 µsec
Time from rising edge of TX_DISABLE to
when the optical output falls below 10% of
nominal
TX_DISABLE
Negate Time
t_on 1 msec
Time from falling edge of TX_DISABLE to
when the modulated optical output rises above
90% of nominal
Time to initialize,
including reset of
TX_FAULT
t_init 300 msec
From power on or negation of TX_Fault using
TX_Disable.
TX_Fault Assert Time
t_fault
100 µsec Time from fault to TX_Fault on.
TX_DISABLE to
reset
t_rest 10 µsec
Time TX_Disbale must be held high to reset
TX_Fault
LOS Assert Time t_loss_on 100 µsec Time from LOS state to Rx LOS assert
LOS Deassert Time t_loss_off 100 µsec Time from non-LOS state to Rx LOS deassert
Serial ID Clock Rate f_serial_clock 100 kHz