XRT94L31IB Exar Corporation, XRT94L31IB Datasheet - Page 131

• Manufacturer Part Number: XRT94L31IB
• Description: IC MAPPER DS3/E3/STS-1 504TBGA
• Manufacturer: Exar Corporation

Specifications of XRT94L31IB

• Applications: Network Switches
• Interface: Bus
• Voltage - Supply: 3.14 V ~ 3.47 V
• Package / Case: 504-LBGA
• Mounting Type: Surface Mount
• Product: Mapper
• Lead Free Status / RoHS Status: Contains lead / RoHS Compliant

REV. 1.0.1
1.4 STS-1/STM-0 TELECOM BUS INTERFACE TIMING INFORMATION........................................................... 114
1.5 TRANSMIT TOH OVERHEAD INPUT PORT .................................................................................................. 118
1.6 TRANSMIT POH OVERHEAD INPUT PORT .................................................................................................. 119
1.7 TRANSMIT ORDERWIRE (E1, F1, E2) BYTE OVERHEAD INPUT PORT .................................................... 120
1.8 TRANSMIT SECTION DCC INSERTION INPUT PORT.................................................................................. 121
1.9 TRANSMIT LINE DCC INSERTION INPUT PORT.......................................................................................... 122
1.10 RECEIVE TOH OVERHEAD OUTPUT PORT ............................................................................................... 123
1.11 RECEIVE POH OVERHEAD OUTPUT PORT............................................................................................... 124
1.12 RECEIVE ORDERWIRE (E1, F1, E2) BYTES OVERHEAD OUTPUT PORT............................................... 125
T
T
F
T
T
T
T
F
T
F
T
F
T
F
T
F
T
F
T
F
T
F
T
F
T
F
T
F
T
F
T
ABLE
ABLE
IGURE
ABLE
ABLE
ABLE
ABLE
IGURE
ABLE
IGURE
ABLE
IGURE
ABLE
IGURE
ABLE
IGURE
ABLE
IGURE
ABLE
IGURE
ABLE
IGURE
ABLE
IGURE
ABLE
IGURE
ABLE
IGURE
ABLE
IGURE
ABLE
1.3.5 INGRESS TIMING FOR STS-1/STM-0 APPLICATIONS............................................................................................ 112
1.3.6 THE EGRESS DS3/E3/STS-1 INTERFACE TIMING ................................................................................................. 112
1.3.7 EGRESS TIMING FOR DS3/E3 APPLICATIONS....................................................................................................... 113
1.3.8 EGRESS TIMING FOR STS-1/STM-0 APPLICATIONS ............................................................................................. 113
1.3.9 EGRESS TIMING FOR STS-1/STM-0 APPLICATIONS (CONTINUED) .................................................................... 114
1.4.1 SOME NOTES ABOUT THE STS-1/STM-0 TELECOM BUS INTERFACE ............................................................... 114
1.4.2 THE RECEIVE STS-1/STM-0 TELECOM BUS INTERFACE TIMING........................................................................ 114
1.4.3 THE RECEIVE STS-1/STM-0 TELECOM BUS INTERFACE TIMING (FOR CHANNEL 0 WHEN CONFIGURED TO OP-
1.4.4 THE TRANSMIT STS-1/STM-0 TELECOM BUS INTERFACE TIMING..................................................................... 116
1.4.5 THE TRANSMIT STS-1/STM-0 TELECOM BUS INTERFACE TIMING (FOR CHANNEL 0 WHEN CONFIGURED TO OP-
16: T
17: T
20: T
13: T
14: T
15: T
18: T
19: T
21: T
22: T
23: T
24: T
25: T
26: T
27: T
28: T
29: T
30: T
17. A
18. A
19. A
20. A
21. A
22. I
23. I
24. I
25. I
26. I
27. I
28. I
29. I
ERATE IN THE STS-3/STM-1 MODE)......................................................................................................................... 115
ERATE IN THE STS-3/STM-1 MODE)......................................................................................................................... 117
DS3/E3/STS_1_CLOCK_IN) ..................................................................................................................................... 112
DS3/E3/STS_1_CLOCK_IN) ..................................................................................................................................... 112
TERFACE
STS_1_CLOCK_OUT) .............................................................................................................................................. 113
STS_1_CLOCK_OUT) .............................................................................................................................................. 113
EDGE OF
ING EDGE OF
I
I
3/STM-1 M
TERFACE
TERFACE ASSOCIATED WITH
FIGURED TO OPERATE IN THE
NTERFACE
NTERFACE
IMING
IMING
IMING
IMING
IMING
IMING
IMING
IMING
IMING
IMING
IMING
IMING
IMING
IMING
IMING
IMING
IMING
LLUSTRATION OF
LLUSTRATION OF
LLUSTRATION OF THE
LLUSTRATION OF THE
LLUSTRATION OF THE
LLUSTRATION OF THE
LLUSTRATION OF THE
IMING
LLUSTRATION OF THE
N
N
N
N
N
I
I
I
I
I
LLUSTRATION OF THE
LLUSTRATION OF THE
LLUSTRATION OF THE
LLUSTRATION OF THE
LLUSTRATION OF THE
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
NFORMATION FOR THE
I
NFORMATION FOR THE
..................................................................................................................................................................... 117
NFORMATION FOR THE
DS3/E3/STS_1_CLOCK_OUT) ................................................................................................................... 114
(
IN THE
.................................................................................................................................................................. 115
(
ODE
FOR
DS3/E3/STS_1_CLOCK_OUT) ............................................................................................................. 114
) ......................................................................................................................................................... 116
C
R
HANNEL
ECEIVE
T
T
IMING
IMING
T
T
T
T
T
T
IMING
IMING
IMING
IMING
IMING
IMING
/E
W
W
W
0)
W
W
W
W
C
GRESS
AVE
AVE
STS-3/STM-1 M
AVEFORMS OF THE
AVEFORMS OF THE
AVEFORMS OF THE
AVEFORMS OF THE
AVEFORMS OF THE
HANNEL
WHEN CONFIGURED TO OPERATE IN THE
E
R
E
E
I
I
E
R
T
T
T
T
T
T
T
R
R
W
W
W
W
W
GRESS
NGRESS
NGRESS
W
R
ECEIVE
GRESS
GRESS
RANSMIT
RANSMIT
RANSMIT
RANSMIT
RANSMIT
RANSMIT
RANSMIT
GRESS
ECEIVE
-
-
ECEIVE
ECEIVE
FORM OF THE
FORM OF THE
AVE
AVE
AVE
AVE
ECEIVE
AVE
AVE
D
-
-
-
-
-
IRECTION
-
0 (
FORM OF THE
FORM OF THE
FORM OF THE
FORM OF THE
FORM OF THE
FORM OF THE
DS3/E3/STS-1 LIU I
DS3/E3/STS-1 LIU I
STS-1/STM-0 T
DS3/E3/STS-1 LIU I
DS3/E3/STS-1 LIU I
DS3/E3/STS-1 LIU I
DS3/E3/STS-1 LIU I
STS-1/STM-0 T
TOH O
O
WHEN CONFIGURED TO OPERATE IN THE
POH O
STS-1/STM-0 T
STS-1/STM-0 T
TOH O
POH O
O
O
L
RDER
INE
RDER
RDER
) ........................................................................................................... 113
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
ODE
DCC I
T
T
-W
VERHEAD
DS3/E3/STS-1
S
S
S
S
VERHEAD
-W
-W
RANSMIT
RANSMIT
VERHEAD
VERHEAD
IGNALS THAT ARE
IGNALS THAT ARE
IGNALS THAT ARE OUTPUT VIA THE
IGNALS THAT ARE OUTPUT VIA THE
IRE
...................................................................................................... 118
T
IRE
T
IRE
T
R
R
R
II
NSERTION
RANSMIT
RANSMIT
RANSMIT
ECEIVE
ECEIVE
ECEIVE
B
B
B
ELECOM
YTE
ELECOM
YTE
YTE
O
TOH O
POH O
ELECOM
ELECOM
O
I
I
UTPUT
NTERFACE FOR
NPUT
NPUT
NTERFACE FOR
UTPUT
O
NTERFACE FOR
NTERFACE FOR
POH O
O
NTERFACE FOR
NTERFACE FOR
O
O
TOH O
VERHEAD
O
S
L
RDER
VERHEAD
VERHEAD
I
INE
ECTION
B
RDER
NPUT
SIGNALS THAT ARE OUTPUT FROM THE
P
B
VERHEAD
VERHEAD
P
US
P
B
B
US
ORT
ORT
P
I
I
DCC I
ORT
NPUT VIA THE
US
NPUT VIA THE
US
-W
ORT
VERHEAD
I
VERHEAD
STS-3/STM-1 M
-W
NTERFACE
P
I
NTERFACE
IRE
I
I
ORT
....................................................................... 119
....................................................................... 120
DCC O
O
NTERFACE
NTERFACE
IRE
..................................................................... 124
I
I
NPUT
NPUT
.................................................................... 125
UTPUT
NSERTION
STS-1/STM-0 A
I
B
I
DS3/E3 A
NPUT
NPUT
STS-1/STM-0 A
................................................................ 123
DS3/E3 A
B
YTE
STS-1/STM-0 A
STS-1/STM-0 A
YTE
O
O
VERHEAD
P
P
STS-3/STM-1 M
UTPUT
(
P
UTPUT
O
WHEN CONFIGURED TO OPERATE IN THE
ORT
ORT
P
P
....................................................... 115
T
T
ORT
O
,
VERHEAD
ORT
ORT
RANSMIT
..................................................... 117
RANSMIT
FOR
R
R
VERHEAD
I
NPUT
PPLICATIONS
ECEIVE
ECEIVE
................................................. 121
................................................. 122
ODE
PPLICATIONS
P
.............................................. 119
.............................................. 120
............................................... 126
P
C
ORT
I
ORT
NSERTION
HANNEL
......................................... 116
P
PPLICATIONS
ORT
STS-1/STM-0 T
STS-1/STM-0 T
O
PPLICATIONS
..................................... 125
STS-1/STM-0 T
STS-1/STM-0 T
PPLICATIONS
PPLICATIONS
I
.................................... 124
NPUT
UTPUT
................................ 123
ODE
(
0
FALLING EDGE OF
(
RISING EDGE OF
P
WHEN IT HAS BEEN CON
P
)....................... 118
P
ORT
ORT
DS3/E3/STS-1 LIU I
ORT
A
PPLICATIONS
A
XRT94L31
.................. 122
(
(
................. 121
RISING EDGE OF
FALLING EDGE OF
PPLICATIONS
................ 126
ELECOM
ELECOM
ELECOM
ELECOM
DS3/E3/
DS3/E3/
(
B
B
RISING
B
B
(
US
US
US
US
STS-
FALL
I
I
N
N
N
-
-
-
-
-