xrt91l31 Exar Corporation, xrt91l31 Datasheet - Page 5

• Manufacturer Part Number: xrt91l31
• Description: Sts-12/stm-4 Or Sts-3/stm-1 Sonet/sdh Transceiver
• Manufacturer: Exar Corporation

REV. 1.0.0
4.0 DIAGNOSTIC FEATURES ................................................................................................................... 31
5.0 ELECTRICAL CHARACTERISTICS ................................................................................................... 38
PACKAGE DIMENSIONS ................................................................................................ 41
A
LVPECL AND LVTTL LOGIC SIGNAL DC ELECTRICAL CHARACTERISTICS...................................... 39
R
................................................................................................................................................................... 38
BSOLUTE
3.5 TRANSMIT PARALLEL INPUT TO SERIAL OUTPUT (PISO) ...................................................................... 27
3.6 CLOCK MULTIPLIER UNIT (CMU) AND RE-TIMER ..................................................................................... 28
3.7 LOOP TIMING AND CLOCK CONTROL ....................................................................................................... 29
3.8 TRANSMIT SERIAL OUTPUT CONTROL ..................................................................................................... 30
4.1 SERIAL REMOTE LOOPBACK ..................................................................................................................... 31
4.2 DIGITAL LOCAL LOOPBACK ....................................................................................................................... 31
4.3 ANALOG LOCAL LOOPBACK ...................................................................................................................... 32
4.4 SPLIT LOOPBACK ......................................................................................................................................... 32
4.5 EYE DIAGRAM ............................................................................................................................................... 33
4.6 SONET JITTER REQUIREMENTS ................................................................................................................. 33
EVISION
F
T
T
F
F
F
F
F
F
F
F
T
F
F
F
F
T
T
T
T
T
T
F
F
T
IGURE
ABLE
ABLE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
ABLE
IGURE
IGURE
IGURE
IGURE
ABLE
ABLE
ABLE
ABLE
ABLE
ABLE
IGURE
IGURE
ABLE
4.6.1 JITTER TOLERANCE: ................................................................................................................................................ 33
4.6.2 JITTER TRANSFER .................................................................................................................................................... 35
4.6.3 JITTER GENERATION................................................................................................................................................ 36
16: C
17: L
18: XRT91L31 R
19: XRT91L31 O
20: XRT91L31 O
21: A
22: A
23: P
24: E
25: R
15. S
16. L
17. T
18. S
19. D
20. A
21. S
22. T
23. GR-253 J
24. J
25. J
26. J
27. J
28. D
29. P
H
M
ISTORY
AXIMUM
OOP
BSOLUTE
BSOLUTE
OWER AND
LECTRICAL
LOCK
EVISION
OOP
ITTER
ITTER
ITTER
ITTER
RANSMIT
RANSMIT
IMPLIFIED
ERIAL
IGITAL
NALOG
PLIT
IFFERENTIAL VOLTAGE SWING DEFINITIONS
ACKAGE
T
T
L
M
IMING AND
...................................................................................................................................... 42
T
T
T
T
OOPBACK
IMING
R
ULTIPLIER
L
L
OLERANCE
OLERANCE
RANSFER
RANSFER
H
EMOTE
OCAL
RATINGS .................................................................................................................. 38
M
P
ITTER
D
OCAL
S
E
ISTORY
B
OWER AND
C
C
AXIMUM
IMENSIONS
ERIAL
LECTRICAL
ECEIVER
PTICAL
PTICAL
LOCK
HARACTERISTICS
URRENT
M
L
ODE
L
T
L
OOPBACK
......................................................................................................................................................... 32
C
OOPBACK
OLERANCE
OOPBACK
O
T
U
F
F
D
LOCK
F
F
ABLE
OR
OR
J
J
UTPUT
R
NIT REQUIREMENTS FOR REFERENCE CLOCK
U
IAGRAM OF
ITTER
ITTER
OR
OR
J
ATINGS
DC E
SING
ITTER
I
................................................................................................................................................ 41
O
OC-12 .................................................................................................................................... 36
OC-3 ...................................................................................................................................... 36
NPUT
R
OC-12
OC-3
UTPUT
............................................................................................................................................. 42
........................................................................................................................................... 31
ECOVERY CONFIGURATIONS
.......................................................................................................................................... 32
I
G
G
I
......................................................................................................................................... 31
LECTRICAL
NTERFACE BLOCK
NTERNAL
/O
M
T
....................................................................................................................................... 38
ENERATION USING
ENERATION USING
OLERANCE
..................................................................................................................................... 39
ASK
WITH
UTPUT
PISO ......................................................................................................................... 27
E
WITH
YE
.............................................................................................................................. 34
H
D
CDR
H
R
IGH
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
IAGRAM
C
IGH
ATINGS
HARACTERISTICS
P
B
ERFORMANCE
OR AN
B
(I
ANDWIDTH AND
ANDWIDTH AND
NPUT OR OUTPUT
.............................................................................................................. 30
............................................................................................................. 33
223-1 PRBS
223-1 PRBS
........................................................................................................... 38
E
V
XTERNAL
................................................................................................. 29
............................................................................................. 34
............................................................................................ 38
L
L
OW
R
PATTERN
PATTERN USING
OW
)
ECOVERED
FOR CLOCK AND DATA
.................................................................................. 28
B
B
ANDWIDTH
ANDWIDTH
........................................................................ 37
C
LOCK
S
A
S
ETTINGS
LTERNATE
ETTINGS
....................................................... 30
................................................. 40
.............................................. 35
............................................ 35
S
TANDARD
F
ILTERS
XRT91L31
............. 37