XRT94L43IB-F Exar Corporation, XRT94L43IB-F Datasheet - Page 70
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
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Manufacturer
Quantity
Price
Company:
Part Number:
XRT94L43IB-F
Manufacturer:
Exar Corporation
Quantity:
10 000
Part Number:
XRT94L43IB-F
Manufacturer:
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REV. 1.0.2
STS-3/STM-1 TELECOM BUS INTERFACE - TRANSMIT DIRECTION
AD26
P
IN
#
STS3TxA_D_2_0
RLOOP_2
TxSBData_0
S
IGNAL
N
AME
I/O
I/O
S
T
IGNAL
TTL
YPE
Transmit STS-3/STM-1 Telecom Bus - Channel 2 - Input Data Bus
Pin Number 0/RLOOP_2 (General Purpose) output Pin:
The function of this pin depends upon whether or not the STS-3/
STM-1 Telecom Bus Interface, associated with Channel 2 is enabled.
If STS-3/STM-1 Telecom Bus (Channel 2) has been enabled -
STS-3/STM-1 Transmit Telecom Bus - Input Data Bus Pin Num-
ber 0:
This input pin along with STS3TxA_D_2[7:1] function as the STS-3/
STM-1 Transmit (Add) Telecom Bus - Input Data Bus for Channel 2.
This input pin functions as the LSB (Least Significant Bit) input pin on
the Transmit (Add) Telecom Bus - Input Data Bus. The STS-3/STM-1
Telecom Bus interface will sample and latch this pin upon the falling
edge of STS3TxA_CLK_2.
The LSB of any byte, which is being input into the STS-3/STM-1
Transmit Telecom Bus - Data Bus (for Channel 2) should be input via
this pin.
If STS-3/STM-1 Telecom Bus (Channel 2) is disabled - RLOOP_2
(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 appropri-
ate value into Bit 1 (RLOOP) within the Line Interface Drive Register
associated with Channel 2 (Indirect Address = 0x3E, 0x80), (Direct
Address = 0x3F80).
N
OTE
: For Product Legacy purposes, this pin is called RLOOP_2
64
because one possible application is to tie this output pin to
an RLOOP (Remote Loop-back) input pin from one of Exar's
XRT73L0X/XRT75L0X
However, this output pin, and the corresponding register bit
can be used for any purpose.
SONET/SDH OC-12 TO 12XDS3/E3 MAPPER
D
ESCRIPTION
DS3/E3/STS-1
XRT94L43
LIU
devices.
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