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DS31612

Features: ` 6 (DS3166), 8 (DS3168), or 12 (DS31612) ATM/Packet PHYs for DS3, E3, or Clear-Channel Up to 52Mbps` Each Port Independently Configurable` Interfaces to LIUs or SONET/SDH Devices` Universal PHYs Map ATM Cells and/or HDLC Packets into DS3 or E3 Data Streams` 6-, 8-, and 12-Port, Pin-Comp...

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SeekIC No. : 004328982 Detail

DS31612: Features: ` 6 (DS3166), 8 (DS3168), or 12 (DS31612) ATM/Packet PHYs for DS3, E3, or Clear-Channel Up to 52Mbps` Each Port Independently Configurable` Interfaces to LIUs or SONET/SDH Devices` Univers...

DS31612 Data Sheet

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Part Number:
DS31612
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` 6 (DS3166), 8 (DS3168), or 12 (DS31612) ATM/Packet PHYs for DS3, E3, or Clear-Channel Up to 52Mbps
` Each Port Independently Configurable
` Interfaces to LIUs or SONET/SDH Devices
` Universal PHYs Map ATM Cells and/or HDLC Packets into DS3 or E3 Data Streams
` 6-, 8-, and 12-Port, Pin-Compatible Devices
` UTOPIA L2 or L3 or POS-PHY™ L2 or L3 or SPI-3 Interface with 8-, 16-, or 32-Bit Bus Width at an Operating Frequency Up to 104MHz
` Ports Independently Configurable for Cell or Packet Traffic in POS-PHY/SPI-3 Bus Modes
` Direct, PLCP, DSS, and Clear-Channel Cell Mapping
` Direct and Clear-Channel Packet Mapping
` Ports Independently Configurable for DS3, E3 Full and Subrate, and Arbitrary Framing Protocols Up to 52Mbps
` Programmable (Internal) or External Subrate DS3/E3 Circuitry
` DS3/E3/PLCP Alarm Generation and Detection
` Built-in HDLC Controllers with 256-Byte FIFOs for DS3 PMDL, G.751 Sn Bit, and G.832 NR/GC Bytes, and PLCP NR/GC Bytes
` On-Chip Per-Port BERTs for PRBS and Repetitive Pattern Generation, Detection, and Analysis
` Large Performance-Monitoring Counters for Accumulation Intervals of at Least 1 Second
` High-Speed Flexible Overhead Insertion/Extraction Ports for DS3, E3, and PLCP Framers
` Loopbacks Include Line, Diagnostic, Framer,Payload, and System Interface
` Ports can be Disabled to Reduce Power
` Integrated Clock Rate Adapter can Generate the Required 44.736MHz for DS3, 34.368MHz for E3,and/or 51.84MHz for CC52 from a Single Reference
` Clock Rate Adapter Reference Clock Frequency can be 44.736, 34.368, 77.76, 51.84, or 19.44MHz
` 8/16-Bit Generic Microprocessor Interface
` Transparent Software Upgrade from Existing DS3161DS3164 SingleQuad Port ATM/Packet PHY Devices
` Low-Power 1.8V Core, 3.3V I/O Operation (5V Tolerant I/O)
` Small 27mm2 (1mm pitch) TE-PBGA Packaging
` -40 to +85 Industrial Temperature Range
` IEEE 1149.1 JTAG Test Port


Application

·Access Concentrators
· Multi-Service Access Platforms
·ATM and Frame Relay Equipment
·Routers and Switches
·SONET/SDH MSPP
·Test Equipment


Specifications

Voltage Range on Any Input, Bidirectional or Open-Drain
Output Lead with Respect to VSS ..................-0.5V to +5.5V
Supply Voltage (VDDIO) Range with Respect to VSSIO for IO Ring.-0.3V to +3.63V
Supply Voltage (VDDINT) Range with Respect to
                                                                    VSSINT for Core Logic.-0.1V to +1.98V
Ambient Operating Temperature Range...............-40 to +85
Junction Operating Temperature Range .........-40 to +125 (Note 1)
Storage Temperature Range....................-65 to +125
Soldering Temperature  ..........See IPC/JEDEC J-STD-020 Specification
Note 1: The specified temperature range is the junction temperature -40 to +125.
These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect reliability. Ambient Operating Temperature Range is assuming the device is mounted on a JEDEC standard test board in a convection cooled JEDEC test enclosure.
Note: The typical values listed below are not production tested.


Description

The DS31612 (twelve), DS3168 (eight) and DS3166 (six) PHYs perform all of the functions necessary for mapping/de-mapping ATM cells and/or packets into as many as twelve DS3 Framed, E3 Framed or Clear-Channel data streams up to 52 Mbps. Each unit has independent receive and transmit paths. The receiver block performs data recovery from a B3ZS or HDB3-coded AMI signal and monitors for loss of the incoming signal and can be bypassed for direct clock and data inputs. The DS31612 receiver block optionally performs B3ZS/HDB3 decoding. The transmit block performs B3ZS/HDB3 encoding and can be bypassed for direct clock and serial data outputs. Dedicated cell processor and packet processor blocks prepare outgoing cells or packets for transmission and check incoming cells or packets upon arrival. Built-in DS3/E3 framers transmit and receive cell/packet data in properly formatted (M23/C-bit) DS3, or (G.751/G.832) E3 data streams. PLCP framers provide legacy ATM transmission-convergence support. DSS scrambling is performed for clear-channel ATM cell support. With integrated hardware support for both cells and packets, the DS31612/8/6 PHYs enable high-density universal line cards for unchannelized DS3/E3/clear-channel from T3/E3/CC52 serial data to ATM/Packet (UTOPIA/POS-PHY Level2/3/SPI-3) system switch interface. Functions that are not used are powered down to reduce device power




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