FTR-1621-47 FINISAR [Finisar Corporation.], FTR-1621-47 Datasheet - Page 4

• Manufacturer Part Number: FTR-1621-47
• Description: WDM Multi-rate GBIC Transceiver with APD Receiver
• Manufacturer: FINISAR [Finisar Corporation.]

FTR-1621-XX WDM GBIC
IV. High Speed Electrical Interface
All high-speed PECL signals are AC coupled internally.
© Finisar Corporation 01-Mar-02 Rev.F
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
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
Table 4. Low speed signal parameters
Table 5. High speed electrical interface
t_off
t_on
Product Specification - March 2002
Min
--
--
--
650
370
-42
Typ
10
50
75
75
Typ
-39
-37
1.0
2000
2000
Max
10
150
-12
Max
1000
1000
100
150
-32
Units
psec
ohm
ohm
mV
mV
%
Units Notes/Conditions
dBm Measured on Finisar Eval Card
dBm Measured on Finisar Eval Card
µsec From detection of loss of signal
µsec From detection of presence of
µsec Rising edge ot 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
20%-80% Differential
PRBS 2
Singled ended impedance
Singled ended impedance
Measured on Finisar Eval Card
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
23
- 1 test data pattern
F i n i s a r
Page 4