HFBR-5903 Avago Technologies US Inc., HFBR-5903 Datasheet - Page 4

• Manufacturer Part Number: HFBR-5903
• Description: Fiber Optics, Transceiver Module
• Manufacturer: Avago Technologies US Inc.

Specifications of HFBR-5903

• Data Rate Max: 125Mbps
• Wavelength Typ: 1300nm
• Connector Type: MT-RJ
• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

RECEIVER SIGNAL GROUND
Figure 3. Pin Out Diagram.
Pin Descriptions:
Pin 1 Receiver Signal Ground V
Directly connect this pin to the receiver ground plane.
Pin 2 Receiver Power Supply V
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
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 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.
4
RECEIVER POWER SUPPLY
RECEIVER DATA OUT BAR
RECEIVER DATA OUT
SIGNAL DETECT
EE
CC
o
o
o
o
o
RX:
RX
RX:
1
2
3
4
5
View
CC
Top
RX pin.
10
TX
9
8
7
6
o
o
o
o
o
TRANSMITTER DATA IN BAR
TRANSMITTER DATA IN
TRANSMITTER DISABLE (LASER BASED PRODUCTS ONLY)
TRANSMITTER SIGNAL GROUND
TRANSMITTER POWER SUPPLY
Studs/Solder
Mounting
Posts
Pin 6 Transmitter Power Supply
V
Provide +3.3 V dc via the recommended transmitter
power supply filter circuit. Locate the power supply
filter circuit as close as possible to the V
Pin 7 Transmitter Signal Ground
V
Directly connect this pin to the transmitter ground
plane.
Pin 8 Transmitter Disable T
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.
Mounting Studs/Solder Posts
The mounting studs are provided for transceiver
mechanical attachment to the circuit board. It is
recommended that the holes in the circuit board be
connected to chassis ground.
CC
EE
TX:
TX:
DIS
:
CC
TX pin.