FTR-8519-3D FINISAR [Finisar Corporation.], FTR-8519-3D Datasheet - Page 4

• Manufacturer Part Number: FTR-8519-3D
• Description: Short-Wavelength GBIC Transceiver
• Manufacturer: FINISAR [Finisar Corporation.]

FTR-8519-3D 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. E3
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
High Speed Electrical
Interface
Parameter
Data Input Voltage
Data Output Voltage
PECL rise/fall
Bit Error Rate
Tx Input Impedance
Rx Output Impedance
Symbol
BER
V
Z
V
t
Z
r
,t
out
out
in
in
f
t_loss_off
t_loss_on
Symbol Min
t_reset
Table 4. Low speed signal parameters
Table 5. High-speed electrical interface
t_off
t_on
Min
--
--
--
650
370
-30
0.5
Typ
10
75
75
Typ
44
44
2000
2000
Max
10
260
-12
Max
1000
100
100
-19
10
Units
psec
ohm
ohm
mV
mV
Units Notes/Conditions
dBm
dBm
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
dB
Notes/Conditions
PECL differential peak - peak
PECL differential peak - peak
PRBS 2
20%-80% differential
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
7
- 1 test data pattern
F i n i s a r
Page 4