Finisar FTR-1319-3D-DD Manuale Utente
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FTR-1319-3D Long-Wavelength GBIC Specification – November 2007
F i n i s a r
© Finisar Corporation November 16, 2007 Rev. H3
Page 3
II.
Electrical Power Interface
Finisar FTR-1319-3D GBICs have an extended power supply voltage range of 3.15 V to
5.5 V as described in Table 2. They are compatible with both 3.3V and 5 V systems.
Parameter
Symbol Min
Typ Max Units
Notes/Conditions
Supply Current
I
s
200 300 mA
Inrush Current
I
surge
+30
mA
Hot plug, above steady
state current.
state current.
Absolute Supply Voltage
V
max
-0.3
6
V
Not to be applied
continuosly
continuosly
Operating Supply Voltage
V
cc
3.15 5.5 V
Referenced
to
GND
Table 2. Electrical power interface
III. Low
Speed
Signals
RX_LOS and TX_DISABLE are TTL signals as described in Table 3. MOD_DEF(1)
(SCL) and MOD_DEF(2) (SDA), are open drain CMOS signals (see section VIII, “Serial
Communication Protocol”). Both MOD_DEF(1) and MOD_DEF(2) must be pulled up to
host_Vcc. For more detailed information, see sections 5.3.1 – 5.3.8 in the GBIC
Specification Rev. 5.5
(SCL) and MOD_DEF(2) (SDA), are open drain CMOS signals (see section VIII, “Serial
Communication Protocol”). Both MOD_DEF(1) and MOD_DEF(2) must be pulled up to
host_Vcc. For more detailed information, see sections 5.3.1 – 5.3.8 in the GBIC
Specification Rev. 5.5
1
.
Parameter
Symbol Min
Max Units
Notes/Conditions
GBIC Output LOW
V
OL
0
0.5
V
4.7k to 10k pull-up to host_Vcc,
measured at host side of connector
measured at host side of connector
GBIC Output HIGH
V
OH
host_Vcc - 0.5 host_Vcc + 0.3
V
4.7k to 10k pull-up to host_Vcc,
measured at host side of connector
measured at host side of connector
GBIC Input LOW
V
IL
0
0.8
V
4.7k to 10k pull-up to Vcc,
measured at GBIC side of
connector
measured at GBIC side of
connector
GBIC Input HIGH
V
IH
2
Vcc + 0.3
V
4.7k to 10k pull-up to Vcc,
measured at GBIC side of
connector
measured at GBIC side of
connector
Table 3. Low speed signals – electronic characteristics