xrt94l43 Exar Corporation, xrt94l43 Datasheet
xrt94l43
Manufacturer Part Number
xrt94l43
Description
Sonet/sdh Sts-12/stm-4 To E3/ds3/sts-1 Mapper/demapper
Manufacturer
Exar Corporation
Datasheet
1.XRT94L43.pdf
(328 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
xrt94l43IB
Manufacturer:
EXAR
Quantity:
270
Company:
Part Number:
xrt94l43IB-F
Manufacturer:
Exar Corporation
Quantity:
10 000
Part Number:
xrt94l43IB-F
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
NOVEMBER 2006
GENERAL DESCRIPTION
The XRT94L43 is an SDH to PDH physical layer
processor with integrated SONET OC-12 and 12
DS3/E3 framing controller. The XRT94L43 contains
an integral SONET framer which provides framing
and error accumulation in accordance with ANSI/ITU-
T specifications. For a multiple channel DS3/E3
feature, each channel contains identical elements.
The configuration of this device is through internal
registers accessible via an 8-bit parallel, memory
mapped, microprocessor interface.
The SONET/SDH transmit and receive blocks are
used to transmit/receive an STS-12/STM-4 signals or
compose and decompose 12, STS-1/DS3/E3 signals.
The blocks operate at a peak internal clock speed of
77 MHz and support 8-bit internal data paths. The
transmit and receive blocks are compliant with both
SONET and SDH standards.
The XRT94L43 performs all SONET transport and
path overhead processing for use in broadband data
transport applications.
Exar
Corporation 48720 Kato Road, Fremont CA, 94538
•
(510) 668-7000
SONET/SDH OC-12 TO 12XDS3/E3 MAPPER
FEATURES
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APPLICATIONS
•
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Single Chip solution for 12 DS3/E3 to SONET/SDH
Mapping
Generates and terminates SONET section, line and
path layers.
Provides
descrambling.
Differential Line Interfaces
8-bit microprocessor interface
Requires +2.5 and +3.3V power supplies with +5V
input tolerance
-40°C to +85°C Operating Temperature Range
Available in a 516 Ball PBGA package
Network switches
Concentrators
Frame Relay Switches
SONET Customer Premises Multiplexers
Network Access Equipment
Test/Monitoring Equipment
•
FAX (510) 668-7017
SONET
frame
XRT94L43
•
www.exar.com
scrambling
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