FTR-1419 FINISAR [Finisar Corporation.], FTR-1419 Datasheet - Page 4

• Manufacturer Part Number: FTR-1419
• Description: 40km Extended GBIC Transceiver
• Manufacturer: FINISAR [Finisar Corporation.]

FTR-1419 40km Extended GBIC Product Specification – November 2007
IV. High Speed Electrical Interface
All high-speed PECL signals are AC coupled internally.
© Finisar Corporation November 16, 2007 Rev.G1
Low Speed Signal Parameters
Parameter
RX_LOS Assert Level
RX_LOS Deassert Level
RX_LOS Hysteresis
RX_LOS Assert Delay
RX_LOS Negate Delay
TX_DISABLE Assert Time
TX_DISABLE Negate Time
TX_DISABLE Reset Time
TX_FAULT Initialize Time
TX_FAULT Assert Time
High Speed Electrical
Interface
Parameter
Data Input Voltage
Data Output Voltage
Duty Cycle
PECL rise/fall
Bit Error Rate
Tx Input Impedance
Rx Output Impedance
Symbol
T
BER
V
Z
V
Z
--
r
,T
out
out
in
in
f
t_loss_off
t_loss_on
Symbol Min
t_reset
t_fault
Table 4. Low speed signal parameters
Table 5. High-speed electrical interface
t_init
t_off
t_on
Min
--
--
--
650
370
-31
0.5
Typ
10
125
50
75
75
Typ
44
44
63
5
2000
2000
Max
10
260
-12
Max
1000
100
100
300
100
-20
10
Units
Ohm
Ohm
psec
mV
mV
%
Units Notes/Conditions
dBm
dBm
msec From power on after VCC > 4.5
μsec From detection of loss of signal
μsec From detection of presence of
μsec Rising edge of TX_DISABLE to
μsec Falling edge of TX_DISABLE
μsec TX_DISABLE HIGH before
μsec From occurrence of fault.
dB
Notes/Conditions
PECL differential peak - peak
PECL differential peak - peak
20%-80% Differential
PRBS 2
to assertion of RX_LOS
signal to negation of RX_LOS
fall of output signal below 10%
of nominal
to rise of output signal above
90% of nominal
TX_DISABLE set LOW
V
7
- 1 test data pattern
Page 4