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V23809-C8-C10 Datasheet, PDF (4/6 Pages) Infineon Technologies AG – Multimode 1300 nm LED Fast Ethernet/FDDI/ATM 170 MBd 1x9 Transceiver
Pin Description
Pin Name
RxVEE
RD
Rx Ground
Rx Output Data
RDn
RxSD
RX Signal Detect
RxVCC
TxVCC
TxDn
Rx +3.3 V...5 V
Tx +3.3 V...5 V
Tx Input Data
TxD
TxVEE
Case
Tx Ground
Support
Level/Logic
Pin#
Power Supply
1
PECL Output
2
3
PECL Output active high 4
Power Supply
5
6
PECL Input
7
8
Power Supply
9
Not Connected
S1/S2
Description
Negative power supply, normally ground
Receiver output data
Inverted receiver output data
High level on this output shows there is an optical signal.
Positive power supply, +3.3 V...5 V
Inverted transmitter input data
Transmitter input data
Negative power supply, normally ground
Support stud, not connected
APPLICATION NOTE
Multimode 1300 nm ATM 1x9 Transceiver
C1/3=4700 nF (optional)
C2/4=4700 nF
L1/2=15000 nH
(L2 is optional)
VCC–TX
9
GND
R1
R3
1
GND
VCC–RX
VCC
R5
R7
TXD
TXDN
VCC-TX
RD
RDN
SD
R2
R4
R9
R8
R in Ohm 5 V 4 V 3.3 V
VCC-RX
R1/3
R2/4
82 100 127
130 100 83
GNDGND
Transceiver
R6
GND GNDGND
R5/7
82 100 127
DC coupling between ECL gates.
R6/8
130 100 83
R9=200 Ohm
VCC–RX
VCC
L1
C1
C2
GND
L2
GND VCC–TX
C3
C4
GND
GND
The power supply filtering is required for good EMI perfor-
mance. Use short tracks from the inductor L1/L2 to the module
VCC–RX/VCC–TX.
A GND plane under the module is recommended for good EMI
and sensitivity performance.
Fiber Optics
V23809-C8–C10, MM 1300 nm LED Fast Ethernet/FDDI/ATM Transceiver
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