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DS26556N Datasheet

  • DS26556N

  • 具有信元/分組接口的4端口、T1/E1/J1收發(fā)器

  • 362頁

  • MAXIM   MAXIM

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DS26556
4-Port Cell/Packet Over T1/E1/J1
Transceiver
www.maxim-ic.com
GENERAL DESCRIPTION
The DS26556 is a quad, software-selectable T1,
E1, or J1 transceiver with a cell/packet/TDM
interface. It is composed of four framer/formatters
+ LIUs, and a UTOPIA (cell), POS-PHY鈩?/div>
(packet), and TDM backplane interface. Each
framer has an HDLC controller that can be
mapped to any DS0 or FDL (T1)/Sa (E1) bit. The
DS26556 also includes full-featured BERT
devices per port, and an internal clock adapter
useful for creating synchronous, high-frequency
backplane timing. The DS26556 is controlled
through an 8-bit parallel port that can be
configured for nonmultiplexed Intel or Motorola
operation.
FEATURES
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Four Independent, Full-Featured T1/E1/J1
Transceivers
UTOPIA 2 and 3 Cell Interface
POS-PHY 2 and 3 Packet Interface
TDM Backplane Supports TDM Bus Rates
from 1.544MHz to 16.384MHz
Alarm Detection and Insertion
Full-Featured BERT for Each Port
AMI, B8ZS, HDB3, NRZ Line Coding
Transmit Synchronizer
BOC Message Controller (T1)
One HDLC Controller per Framer
Performance Monitor Counters
RAI-CI and AIS-CI Support
Internal Clock Generator (CLAD) Supplies
16.384MHz, 8.192MHz, 4.096MHz, or
2.048MHz
JTAG Test Port
Single 3.3V Supply with 5V Tolerant Inputs
17mm x 17mm, 256-Pin BGA (1.00mm
Pitch)
APPLICATIONS
Routers
Add-Drop Multiplexers
DSLAMs
PBXs
Switches
Central Office
Equipment
POS-PHY and POS-PHY Level 3 are trademarks of PMC-Sierra, Inc.
IMA
ATM
WAN Interface
Customer-Premise
Equipment
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ORDERING INFORMATION
PART
DS26556
DS26556N
TEMP RANGE
0擄C to +70擄C
-40擄C to +85擄C
PIN-
PACKAGE
256 BGA
256 BGA
Note:
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here:
www.maxim-ic.com/errata.
1
REV: 012105

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