XRT94L31IB-L Exar Corporation, XRT94L31IB-L Datasheet - Page 124
XRT94L31IB-L
Manufacturer Part Number
XRT94L31IB-L
Description
IC MAPPER DS3/E3/STS-1 504TBGA
Manufacturer
Exar Corporation
Datasheet
1.XRT94L31IB.pdf
(133 pages)
Specifications of XRT94L31IB-L
Applications
Network Switches
Interface
Bus
Voltage - Supply
3.14 V ~ 3.47 V
Package / Case
504-LBGA
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XRT94L31IB-L
Manufacturer:
Exar Corporation
Quantity:
10 000
Part Number:
XRT94L31IB-L
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
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XRT94L31
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
N
The Receive POH Overhead Output port is used to extract out the values of the POH bytes within the
incoming STS-3/STM-1 data-stream. All of the Receive POH Overhead Output port signals are updated upon
the falling edge of RxPOHClk. The timing wave-form and information for the Receive POH Overhead Output
Port is presented below.
F
1.11
S
OTE
IGURE
YMBOL
t27
t28
: The values for t27 and t28 can be found in
27. I
RECEIVE POH OVERHEAD OUTPUT PORT
RxTOHFrame
RxTOHValid
Falling edge of RxTOHClk to rising edge of RxTOHFrame and RxTOHValid
Falling edge of RxTOHClk to RxTOH output delay
RxTOHClk
LLUSTRATION OF THE
T
ABLE
RxTOH
28: T
IMING
I
NFORMATION FOR THE
T
IMING
D
ESCRIPTION
W
t27
AVE
Table 28
-
FORM OF THE
t28
124
.
R
ECEIVE
R
ECEIVE
TOH O
TOH O
VERHEAD
VERHEAD
O
-0.5ns
-0.5ns
M
UTPUT
IN
.
O
UTPUT
P
ORT
T
YP
P
.
ORT
REV. 1.0.1
0.4ns
0.5ns
M
AX
.
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