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参数资料
| 型号： | AFBR-5978Z |
| 元件分类： | 光收发 |
| 英文描述： | FIBER OPTIC TRANSCEIVER, 635-660nm, 125Mbps(Tx), 125Mbps(Rx), BOARD/PANEL MOUNT, SC-RJ CONNECTOR |
| 封装： | ROHS COMPLIANT, PLASTIC PACKAGE-12 |
| 文件页数： | 8/14页 |
| 文件大小： | 432K |
| 代理商： | AFBR-5978Z |
Pin Descriptions
Pin 1 Sda: the data line of the two wire serial interface.
This data line should be pulled up with a 4.7k–10k
resis-
tor on the host board to a supply of 3.3V ±10%.
Pin 2 Rx GND: receiver ground pin. Directly connect this
pin to the receiver ground plane of the host board.
Pin 3 Rx Vcc: receiver power supply pin. Provide +3.3 V
DC via a receiver power supply filter circuit. Locate the
power supply filter circuit as close as possible to the Vcc
Rx pin.
Pin 4 Sd: signal detect pin. If an optical signal is pres-
ent at the input of the receiver, Sd output is a logic “1”.
Absence of an optical signal to the receiver results in a
logic “0” output. This signal detect output can be used
to drive a LVPECL input on an upstream circuit, such as
Signal Detect input or Loss of Signal–bar. Proper LVPECL
termination should be in place. See figure 4.
Pin 5 Rdata-: receiver data out bar. This data line is a 3.3V
LVPECL compatible differential line which should be
properly terminated with a 130
pull up to Vcc and 82
pull down to ground.
Pin 6 Rdata+: receiver data out. This data line is a 3.3V
LVPECL compatible differential line which should be
properly terminated with a 130
pull up to Vcc and 82
pull down to ground.
Pin 7 Tx Vcc: transmitter power supply. Provide +3.3V DC
Figure 3. Pin Out diagram
via a transmitter power supply filter circuit. Locate the
power supply filter circuit as close as possible to the Vcc
Tx pin.
Pin 8 Tx GND: transmitter ground. Directly connect this
pin to the transmitter ground plane on the host board.
Pin 9 Txdis: transmitter disable input. This input is used
to shut down the transmitter light output. It is internally
pulled up with a ~8 k
resistor.
Low (0-0.8 V) - transmitter on
Between (0.8-2.0 V) - undefined
High (2.0-3.63 V) – transmitter off
Open – transmitter off
Pin 10 Tdata+: transmitter data in. This data line is an
AC coupled 100
differential line which does not need
any termination at the user SERDES. The AC coupling is
done inside the module and therefore not required on
the host board.
Pin 11 Tdata-: transmitter data in bar. This data line is an
AC coupled 100
differential line which does not need
any termination at the user SERDES. The AC coupling is
done inside the module and therefore not required on
the host board.
Pin 12 Scl: the clock line of the two wire serial interface.
This data line should be pulled up with a 4.7k – 10 k
resistor on the host board to a supply of 3.3V ±10%.
Sda
RxGND
RxVcc
Sd
Rdata-
Rdata+
Scl
Tdata-
Tdata+
Txdis
TxGND
TxVcc
bottom view
SC-RJ connector
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相关代理商/技术参数 |
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