Fiber Optics
Small Form Factor
Single Mode 1300 nm 1.0625 Gbit/s Fibre Channel
1.25 Gigabit Ethernet Transceiver
2x5/2x10 Pinning with LC™ Connector
Preliminary Data
Features
• Small Form Factor transceiver
• Complies with Fibre Channel and Gigabit Ethernet
standards
• RJ-45 style LC™ connector system
• Available with or without collar
• Half the size of SC Duplex 1x9 transceiver
• Single power supply (3.3 V)
• Low power consumption, 650 mW typical
• Loss of optical signal indicator
• Laser disable input
• LVPECL differential inputs and outputs
• AC/AC coupling in accordance to SFF MSA or optional
DC/DC coupling version
• For distance of up to 10 km on single mode fiber
(SMF)
• Class 1 FDA and IEC laser safety compliant
• Multisource 2x5/2x10 footprint
1)
• Small size for high port density
• UL 94 V-0 certified
• Compliant with FCC (Class B) and EN 55022
• Tx and Rx power monitor on 2x10 pinning version
V23818-K15-Lxx
File: 1119
File: 1120
1)
Current MSA documentation can be found at www.infineon.com/fiberoptics
For ordering information see next page.
LC™ is a trademark of Lucent.
Data Sheet
1
2003-03-21
V23818-K15-Lxx
Ordering Information
Ordering Information
Part Number
V23818-K15-L37
V23818-K15-L36
V23818-K15-L47
V23818-K15-L46
V23818-K15-L17
V23818-K15-L16
V23818-K15-L57
V23818-K15-L56
V23818-K15-L35
V23818-K15-L45
2x5
2x10
Pinning Temperature
Range
2x5
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
LVPECL no
LVTTL
DC
AC
DC
AC
LVTTL
AC
AC
LVPECL
DC
DC
LVTTL
AC
AC
Signal
Detect
Collar
Input
DC
Output
DC
LVPECL yes
Data Sheet
2
2003-03-21
V23818-K15-Lxx
Pin Configuration
Pin Configuration
HL
HL 20 19 18 17 16 15 14 13 12 11
Tx
MS
TOP VIEW
Rx
MS
HL
1 2 3 4 5 6 7 8 9 10
HL
File: 1335
Figure 1
2x10 Pin Connect Diagram
2x10 Pin Description
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
MS
HL
1)
Symbol
PDBias
Level/Logic
DC current
Ground
Ground
Description
PIN photo detector bias current
Receiver signal ground
Receiver signal ground
Not connected
Not connected
Receiver signal ground
Receiver power supply
Receiver optical input level monitor
Receiver data out bar
Receiver data out
Transmitter power supply
Transmitter signal ground
Transmitter disable
Transmitter data in
Transmitter data in bar
Transmitter signal ground
Laser diode bias current monitor
Laser diode bias current monitor
Laser diode optical power monitor
Laser diode optical power monitor
Mounting studs
Housing leads
V
EEr
V
EEr
NC
NC
V
EEr
V
CCr
SD
RD–
RD+
V
CCt
V
EEt
TDis
TD+
TD–
V
EEt
BMon–
BMon+
PMon–
PMon+
Ground
Power supply
LVTTL or LVPECL output
1)
LVPECL output
LVPECL output
Power supply
Ground
LVTTL input
LVPECL input
LVPECL input
Ground
DC voltage
DC voltage
DC voltage
DC voltage
LVPECL output active high for V23818-K15-L17/L16.
LVTTL output active high for V23818-K15-L57/L56.
Data Sheet
3
2003-03-21
V23818-K15-Lxx
Pin Configuration
Tx
MS
HL
HL
10 9 8 7 6
TOP VIEW
Rx
MS
HL
1 2 3 4 5
HL
File: 1331
Figure 2
2x5 Pin Connect Diagram
2x5 Pin Description
Pin
No.
1
2
3
4
5
6
7
8
9
10
MS
HL
1)
Symbol
Level/Logic
Ground
Power supply
LVTTL or LVPECL output
1)
LVPECL output
LVPECL output
Power supply
Ground
LVTTL input
LVPECL input
LVPECL input
Description
Receiver signal ground
Receiver power supply
Receiver optical input level monitor
Receiver data out bar
Receiver data out
Transmitter power supply
Transmitter signal ground
Transmitter disable
Transmitter data in
Transmitter data in bar
Mounting studs
Housing leads
V
EEr
V
CCr
SD
RD–
RD+
V
CCt
V
EEt
TDis
TD+
TD–
LVPECL output active high for V23818-K15-L37/L36/L35.
LVTTL output active high for V23818-K15-L47/L46/L45.
V
EEr
/
V
EEt
For 2x10 transceivers, connect pins 2, 3, 6, 12 and 16 to signal ground. For 2x5
transceivers, connect pins 1 and 7 to signal ground.
Data Sheet
4
2003-03-21
V23818-K15-Lxx
Pin Configuration
V
CCr
/
V
CCt
For 2x10 transceivers a 3.3 V DC power supply must be applied at pins 7 and 11. For
2x5 transceivers a 3.3 V DC power supply must be applied at pins 2 and 6. A
recommended power supply filter network is given in the termination scheme. Locate
power supply filtering directly at the transceiver power supply pins. Proper power supply
filtering is essential for good EMI performance.
TD+ / TD–
Transmitter data LVPECL level inputs. For V23818-K15-L47/L46/L57/L56/L45
terminated and AC coupled internally. For V23818-K15-L37/L36/L17/L16/L35 use
termination and coupling as shown in the termination scheme.
RD– / RD+
Receiver data LVPECL level outputs. For V23818-K15-L47/L46/L57/L56/L45 biased and
AC coupled internally. For V23818-K15-L37/L36/L17/L16/L35 use termination and
coupling as shown in the termination scheme.
TDis
A logical LVTTL high input will disable the laser. To enable the laser, an LVTTL low input
must be applied. Leave pin unconnected if feature not required.
SD
LVTTL output for V23818-K15-L47/L46/L57/L56/L45.
LVPECL output for V23818-K15-L37/L36/L17/L16/L35.
A logical high output indicates normal optical input levels to the receiver. Low optical
input levels at the receiver result in a low output. Signal Detect can be used to determine
a definite optical link failure; break in fiber, unplugging of a connector, faulty laser source.
However it is not a detection of a bad link due to data-related errors.
MS
Mounting studs are provided for transceiver mechanical attachment to the circuit board.
They also provide an optional connection of the transceiver to the equipment chassis
ground. The holes in the circuit board must be tied to chassis ground.
HL
Housing leads are provided for additional signal grounding. The holes in the circuit board
must be included and tied to signal ground.
Data Sheet
5
2003-03-21
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