AFBR-5903Z Datasheet, PDF (4/16 Pages) AVAGO TECHNOLOGIES LIMITED – FDDI, Fast Ethernet Transceivers in 2 x 5 Package Style

RX TX
Mounting
Studs/Solder
Posts
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RECEIVER SIGNAL GROUND o 1 10 o TRANSMITTER DATA IN BAR
RECEIVER POWER SUPPLY ^{o 2}
SIGNAL DETECT ^o 3
9 o TRANSMITTER DATA IN
8 o TRANSMITTER DISABLE (LASER BASED PRODUCTS ONLY)
RECEIVER DATA OUT BAR o 4 7 ^o TRANSMITTER SIGNAL GROUND
RECEIVER DATA OUT o 5 6 ^o TRANSMITTER POWER SUPPLY
Figure 3. Pin Out Diagram.
Pin Descriptions:
Pin 1 Receiver Signal Ground V_EE RX:
Directly connect this pin to the receiver ground plane.
Pin 2 Receiver Power Supply V_CC RX:
Provide +3.3 V dc via the recommended receiver power
supply filter circuit.Locate the power supply filter circuit
as close as possible to the V_CC RX pin.
Pin 3 Signal Detect SD:
Normal optical input levels to the receiver result in a logic
“1” output.
Low optical input levels to the receiver result in a fault
condition indicated by a logic “0” output.
This Signal Detect output can be used to drive a PECL
input on an upstream circuit, such as Signal Detect input
or Loss of Signal-bar.
Pin 7 Transmitter Signal Ground V_EE TX:
Directly connect this pin to the transmitter ground
plane.
Pin 8 Transmitter Disable T_DIS:
No internal connection. Optional feature for laser based
products only. For laser based products connect this pin
to +3.3 V TTL logic high “1” to disable module. To enable
module connect to TTL logic low “0”.
Pin 9 Transmitter Data In TD+:
No internal terminations are provided. See recommended
circuit schematic.
Pin 10 Transmitter Data In Bar TD-:
No internal terminations are provided. See recommended
circuit schematic.
Pin 4 Receiver Data Out Bar RD-:
No internal terminations are provided. See recommended
circuit schematic.
Pin 5 Receiver Data Out RD+:
No internal terminations are provided. See recommended
circuit schematic.
Mounting Studs/Solder Posts
The mounting studs are provided for transceiver mechani-
cal attachment to the circuit board.It is recommended
that the holes in the circuit board be connected to chassis
ground.
Pin 6 Transmitter Power Supply V_CC TX:
Provide +3.3V dc via the recommended transmitter power
supply filter circuit.Locate the power supply filter circuit
as close as possible to the V_CC TX pin.