參數(shù)資料
型號: AFCT-5760ANPZ
元件分類: 光收發(fā)
英文描述: FIBER OPTIC TRANSCEIVER, 1261-1360nm, 155Mbps(Tx), 155Mbps(Rx), BOARD/PANEL MOUNT, LC CONNECTOR
封裝: ROHS COMPLIANT PACKAGE-20
文件頁數(shù): 17/19頁
文件大?。?/td> 394K
代理商: AFCT-5760ANPZ
7
Notes:
1. TX Fault is an open collector/drain output, which should be pulled up with a 4.7K – 10K
resistor on the host board. Pull up voltage
between 2.0 V and VccT, R+0.3 V. When high, output indicates a laser fault of some kind. Low indicates normal operation. In the low state,
the output will be pulled to < 0.8 V
2. TX Disable input is used to shut down the laser output per the state table below with an external 4.7 - 10 K
pull-up resistor.
Low (0 - 0.8 V): Transmitter on
Between (0.8 V and 2.0 V): Undefined
High (2.0 - 3.465 V): Transmitter Disabled
Open: Transmitter Disabled
3. MOD-DEF 0,1,2. These are the module definition pins. They should be pulled up with a 4.7 - 10 K
resistor on the host board to a supply
less than VccT +0.3 V or VccR+0.3 V.
MOD-DEF 0 is grounded by the module to indicate that the module is present
MOD-DEF 1 is clock line of two wire serial interface for optional serial ID
MOD-DEF 2 is data line of two wire serial interface for optional serial ID
4. LOS (Loss of Signal) is an open collector/drain output which should be pulled up externally with a 4.7K - 10 K
resistor on the host board
to a supply < VccT,R+0.3 V. When high, this output indicates the received optical power is below the worst case receiver sensitivity (as
defined by the standard in use). Low indicates normal operation. In the low state, the output will be pulled to < 0.8 V.
5. RD-/+: These are the differential receiver outputs. They are ac coupled 100
differential lines which should be terminated with 100
differential at the user SERDES. The ac coupling is done inside the module and is thus not required on the host board. The voltage swing
on these lines will be between 250 and 2000 mV differential (160 - 1000 mV single ended) when properly terminated.
6. VccR and VccT are the receiver and transmitter power supplies. They are defined as 3.135 - 3.465 V at the SFP connector pin. The
maximum supply current is 250 mA and the associated inrush current will be no more than 30 mA above steady state after 500 nanoseconds.
7. TD-/+: These are the differential transmitter inputs. They are ac coupled differential lines with 100
differential termination inside the
module. The ac coupling is done inside the module and is thus not required on the host board. The inputs will accept differential swings of
500 - 2400 mV (250 - 1200 mV single ended), though it is recommended that values between 500 and 1200 mV differential (250 - 600 mV
single ended) be used for best EMI performance.
Table 2. Pin description
Pin
Name
Function/Description
MSA Notes
1
VeeT
Transmitter Ground
2
TX Fault
Transmitter Fault Indication
Note 1
3
TX Disable
Transmitter Disable - Module disables on high or open
Note 2
4
MOD-DEF2
Module Definition 2 - Two wire serial ID interface
Note 3
5
MOD-DEF1
Module Definition 1 - Two wire serial ID interface
Note 3
6
MOD-DEF0
Module Definition 0 - Grounded in module
Note 3
7
Rate Select
Not Connected
8
LOS
Loss of Signal
Note 4
9
VeeR
Receiver Ground
10
VeeR
Receiver Ground
11
VeeR
Receiver Ground
12
RD-
Inverse Received Data Out
Note 5
13
RD+
Received Data Out
Note 5
14
VeeR
Receiver Ground
15
VccR
Receiver Power - 3.3 V ±5%
Note 6
16
VccT
Transmitter Power - 3.3 V ±5%
Note 6
17
VeeT
Transmitter Ground
18
TD+
Transmitter Data In
Note 7
19
TD-
Inverse Transmitter Data In
Note 7
20
VeeT
Transmitter Ground
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