XRT94L43IB-F Exar Corporation, XRT94L43IB-F Datasheet - Page 91
XRT94L43IB-F
Manufacturer Part Number
XRT94L43IB-F
Description
IC MAPPER SONET/SDH OC12 516BGA
Manufacturer
Exar Corporation
Datasheet
1.XRT94L43IB.pdf
(328 pages)
Specifications of XRT94L43IB-F
Applications
Network Switches
Interface
Bus
Voltage - Supply
2.5V, 3.3V
Package / Case
516-BBGA
Mounting Type
Surface Mount
Product
Mapper
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XRT94L43IB-F
Manufacturer:
Exar Corporation
Quantity:
10 000
Part Number:
XRT94L43IB-F
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
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STS-3/STM-1 TELECOM BUS INTERFACE - RECEIVE DIRECTION
XRT94L43
SONET/SDH OC-12 TO 12XDS3/E3 MAPPER
P
A20
IN
#
STS3RxD_CLK_0
RxSBClkLLOOP_0
S
IGNAL
N
AME
I/O
O
S
CMOS Receive STS-3/STM-1 Telecom Bus Clock Output - Channel 0;
T
IGNAL
YPE
LLOOP_0 (General Purpose) Output Pin:
The function of this input pin depends upon whether or not theSTS-3/
STM-1 Telecom Bus Interface associated with Channel 0 is enabled.
If STS-3/STM-1 Telecom Bus (Channel 0) has been enabled - STS-3/
STM-1 Receive Telecom Bus Clock Output - Channel 0;
STS3RxD_CLK_0:
All signals, which is output via the Receive Telecom Bus - Channel 0 is
clocked out upon the rising edge of this clock signal. This includes the fol-
lowing signals.
•
•
•
•
•
This clock signal will operate at 19.44MHz.
If STS-3/STM-1 Telecom Bus (Channel 0) is disabled - LLOOP_0
(General Purpose) Output Pin:
This output pin can be used as a general purpose output pin.
The state of this output pin can be controlled by writing the appropriate
value into Bit 0 (LLOOP) within the Line Interface Drive Register associ-
ated with Channel 0 (Indirect Address = 0x1E, 0x80), (Direct Address =
0x1F80).
N
OTE
STS3RxD_D_0[7:0]
STS3RxD_ALARM_0
STS3RxD_DP_0
STS3RxD_PL_0
STS3RxD_C1J1_0
:
because one possible application is to tie this output pin to an
LLOOP (Local Loop-back) input pin from one of Exar's
XRT73L0X/XRT75L0X DS3/E3/STS-1 LIU devices. However,
this output pin, and the corresponding register bit can be used for
any purpose.
For Product Legacy purposes, this pin is called LLOOP_0
85
D
ESCRIPTION
REV. 1.0.2
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