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Datasheet: V23816-N1018-L312-A (Infineon Technologies AG)

High Performance Transponder With Integrated Multiplexer / Demultiplexer

 

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Infineon Technologies AG

Document Outline

Data Sheet
1
2002-03-22
3.3 V, 4-Line LVDS Parallel
2.5 GBd Transponder
OC-48 SONET/SDH
Short Reach (SR) up to 2 km
V23816-N1018-C312-A
V23816-N1018-L312-A
Preliminary Data
Part Number
Connector Type
Fiber Length
V23816-N1018-C312-A
SC
24.1 0.8 "
V23816-N1018-L312-A
LC
24.1 0.8 "
Fiber Optics
Features
Compliant with existing standards
Compact integrated transponder unit with
FP laser diode transmitter
InGaAs PIN photodiode receiver
Pigtailed optical connections
Integrated Mux, Demux and Clock Recovery
Class 1 FDA and IEC laser safety compliant
Single +3.3 V power supply
OC-48 optical transmit and receive at
2488.32 Mbit/s
4-line LVDS differential interface at 622.08 Mbit/s
External control for laser shutoff
Loss of optical signal and Loss of synch indicators (Rx)
Loss of lock indicator for Tx high speed clock
Laser bias monitor
Rx power monitor output
Loopback operating modes
155.520 MHz LVPECL input Tx reference clock
2.8 W Typical Power Consumption
Tx Fault output indicator
V23816-N1018-C312-A
V23816-N1018-L312-A
Connector Pin Assignments
Data Sheet
2
2002-03-22
Connector Pin Assignments
Pin No.
Signal Name
Pin No.
Signal Name
1
TxDATAP0
2
SLPTIME
3
TxDATAN0
4
RLPTIME
5
GND
6
GND
7
TxDATAP1
8
PCLKN
9
TxDATAN1
10
PCLKP
11
GND
12
GND
13
TxDATAP2
14
SDSCLKP
15
TxDATAN2
16
SDSCLKN
17
GND
18
GND
19
TxDATAP3
20
RxDATAN3
21
TxDATAN3
22
RxDATAP3
23
GND
24
GND
25
TxCLKN
26
RxDATAN2
27
TxCLKP
28
RxDATAP2
29
GND
30
GND
31
REFCLKP
32
RxDATAN1
33
REFCLKN
34
RxDATAP1
35
GND
36
GND
37
No connect
38
LLEB_L
39
No connect
40
DLEB_L
41
V
CC
42
RxDATAN0
43
No connect
44
RxDATAP0
45
No connect
46
V
CC
47
V
CC
48
V
CC
49
LASER_DISABLE
50
V
CC
51
TxLOCK
52
V
CC
53
Tx_FAULT
54
V
CC
55
Rx_LOS
56
RESET_L
57
Rx_LOSYNC
58
Rx_MON
59
Tx_BIASALM
60
SPARE
BLADE
GND
V23816-N1018-C312-A
V23816-N1018-L312-A
Functional Signal Description
Data Sheet
3
2002-03-22
Functional Signal Description
Signal Name Level
I/O
Pin
No.
Description
Transmit Functions
TxDATAP0
TxDATAN0
TxDATAP1
TxDATAN1
TxDATAP2
TxDATAN2
TxDATAP3
TxDATAN3
LVDS
I
1
3
7
9
13
15
19
21
Transmit Parallel input data at 622.08 Mb/s,
aligned to the TxCLKP/N parallel input clock.
TxDATAP/N[3] is the most significant bit
(MSB), and is the first bit transmitted in the
outgoing OC-48 serial data stream.
TxDATAP/N[3:0] is sampled on the rising edge
of TxCLKP. DC coupled and internally
terminated.
TxCLKP
TxCLKN
LVDS
I
27
25
Transmit Parallel input clock, 622.08 MHz, to
which TxDATAP/N[3:0] is aligned. TxCLK
transfers the data on the TxDATAP/N inputs
into a 4-bit wide latch in the Transceiver IC.
Data is sampled on the rising edge of TxCLKP.
DC coupled and internally terminated.
REFCLKP
REFCLKN
LVPECL I
31
33
155.52 MHz Transmit Reference Clock input to
the bit clock frequency synthesizer of the
Transceiver IC. DC coupled and internally
biased.
No connect
37
39
Do not connect.
LASER_
DISABLE
LVTTL
I
49
Laser Disable. Control input to disable
Transmit laser. High = Disable laser. Pulled
low through 1 k
resistor.
TxLOCK
LVTTL
O
51
Loss Of Lock alarm for Tx PLL of the
Transceiver IC. High = Locked. Asynchronous
output.
No connect
45,43 Do not connect.
Tx_FAULT
LVTTL
O
53
Transmit Fault alarm output. Indicates that the
laser has been automatically shut off due to a
fault in the Tx laser circuit. High = Tx Fault.
Fault may be cleared by cycling DC power, or
by strobing the RESET_L input.
Tx_BIASALM LVTTL
O
59
Transmit Bias Alarm output. Indicates that the
bias current of the Tx laser is currently outside
normal operating limits. High = Tx Bias outside
limits.
V23816-N1018-C312-A
V23816-N1018-L312-A
Functional Signal Description
Data Sheet
4
2002-03-22
PCLKP
PCLKN
LVDS
O
10
8
622.08 MHz Parallel Clock output. Generated
by dividing the internal high-speed Tx clock
by 4.
RESET_L
LVTTL
I
56
Master Reset input. A Low level resets the Tx
Mux and Laser Driver. RESET_L must be held
low for at least 6 millisec. Pulled high through a
1 k
resistor.
Receive Functions
RxDATAP0
RxDATAN0
RxDATAP1
RxDATAN1
RxDATAP2
RxDATAN2
RxDATAP3
RxDATAN3
LVDS
O
44
42
34
32
28
26
22
20
Parallel Output Data at 622.08 Mb/s from the
Receiver, aligned to the Parallel Output Clock
(RxCLKP/N). RxDATAP/N[3] is the Most
Significant Bit, and is the first bit received in the
incoming OC-48 serial data stream.
RxDATAP/N[3:0] is clocked out on the falling
edge of SDSCLKP. All data outputs are forced
to zero level under Loss Of Signal or Loss Of
Synchronization conditions. DC coupled
outputs. Internally terminated.
SDSCLKN
SDSCLKP
LVDS
O
16
14
Parallel Output Clock from the Receiver at
622.08 MHz. This clock is aligned to the
RxDATAP/N[3:0] parallel output data.
RxDATAP/N[3:0] is clocked out on the falling
edge of SDSCLKP. Clock output is continuous
under Loss Of Signal or Loss Of
Synchronization conditions. DC coupled
output. Internally terminated.
Rx_LOS
LVTTL
O
55
Receive Loss Of Signal alarm output. A High
output level indicates Rx input power is below
the sensitivity level of the receiver (high BER
condition).
Rx_LOSYNC LVTTL
O
57
Receive Loss Of Synchronization alarm
output. A High output level indicates that the
receive Clock Recovery unit has lost
synchronization, due to either very low Rx
input power level, or input data rate outside of
frequency tolerance.
Rx_MON
Analog
O
58
Receive power monitor output. A voltage
output which is directly proportional to the
optical Rx input power.
Signal Name Level
I/O
Pin
No.
Description
V23816-N1018-C312-A
V23816-N1018-L312-A
Functional Signal Description
Data Sheet
5
2002-03-22
Loopback Modes
LLEB_L
LVTTL
I
38
Line Loopback Enable input. A Low level
enables Line Loopback mode. When active,
the Rx inputs to the Transceiver IC will be
routed directly to the Tx outputs. Pulled high
through a 1 k
resistor.
DLEB_L
LVTTL
I
40
Diagnostic Loopback Enable input. A Low level
enables Diagnostic Loopback mode. When
active, the Tx outputs of the Transceiver IC are
routed directly to the Rx inputs. Pulled high
through a 1 k
resistor.
RLPTIME
LVTTL
I
4
Reference Loop Time Enable input. A High
level enables Reference Loop Time. When
active, a divide-by-4 version of the POCLKP/N
output of the Rx is used as the reference clock
input to the Tx. Pulled low through a 1 k
resistor.
SLPTIME
LVTTL
I
2
Serial Loop Time Enable input. A High level
enables Serial Loop Time. When active, the
recovered high-speed clock (RSCLKP/N) from
the Rx section is used in place of the
synthesized transmit clock. Pulled low through
a 1 k
resistor.
DC Power
GROUND
0 V DC
I
5,6,
11,12,
17,18,
23,24,
29,30,
35,36,
Blade
Ground connection for both signal and chassis
ground on the transponder. The blade contact
of the 60 pin interface connector is tied to
ground in the transponder. Therefore, the
blade of the user's mating connector should be
connected to ground, as well.
V
CC
+3.3 V
DC
I
41,47,
46,48,
50,52,
54
DC Power Input. +3.3 V DC, nominal.
Signal Name Level
I/O
Pin
No.
Description
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