DS34S132

NOT RECOMMENDED FOR NEW DESIGNS

32-Port TDM-over-Packet IC

Highly Integrated, 32-Port, TDM-over-Packet IC Provides Industry-Leading Clock Recovery for TDM-over-Packet

Data Sheet (Rev. 1) Product Selection Table
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Overview

  • 32 Independent TDM Ports with Serial Data, Clock, and Sync (Data = 64Kbps to 2.048Mbps)
  • One 100/1000Mbps (MII/GMII) Ethernet MAC
  • 256 Total PWs, 32 PW per TDM Port, with Any Combination of TDMoP and/or HDLC PWs
  • PSN Protocols: L2TPv3 or UDP Over IP (IPv4 or IPv6), Metro Ethernet (MEF-8), or MPLS (MFA-8)
  • 0, 1, or 2 VLAN Tags (IEEE 802.1Q)
  • Synchronous or Asynchronous TDM Port Timing
    • One Clock Recovery Engine per TDM Port with One Assignable as a Global Reference
    • Supported Clock Recovery Techniques
      • Adaptive Clock Recovery
      • Differential Clock Recovery
      • Absolute and Differential Timestamps
    • Independent Receive and Transmit Interfaces
    • Two Clock Inputs for Direct Transmit Timing
  • For Structured T1/E1, Each TDM Port Includes
    • DS0 TSA Block for any Time Slot to Any PW
    • 32 HDLC/CES Engines (256 Total)
    • With or Without CAS Signaling
  • For Unstructured, each TDM Port Includes
    • One HDLC/SAT Engine (32 Total)
    • Any data rate from 64Kbps to 2.048Mbps
  • 32-Bit or 16-Bit CPU Processor Bus
  • CPU-Based OAM and Signaling
    • UDP-specific "Special" Ethernet Type
    • Inband VCCV ARP
    • MEF OAM
    • Broadcast DA
    • NDP/IPv6
  • DDR SDRAM Interface
  • Low-Power 1.8V Core, 3.3V I/O, 2.5V SDRAM

The IETF PWE3 SAToP/CESoPSN/HDLC-compliant DS34S132 provides the interworking functions that are required for translating TDM data streams into and out of TDM-over-Packet (TDMoP) data streams for L2TPv3/IP, UDP/IP, MPLS (MFA-8), and Metro Ethernet (MEF-8) networks while meeting the jitter and wander timing performance that is required by the public network (ITU G.823, G.824, and G.8261). Up to 32 TDM ports can be translated into as many as 256 individually configurable pseudowires (PWs) for transmission over a 100/1000Mbps Ethernet port. Each TDM port's bit rate can vary from 64Kbps to 2.048Mbps to support T1/E1 or slower TDM rates. PW interworking for TDM-based serial HDLC data is also supported. A built-in time-slot assignment (TSA) circuit provides the ability to combine any group of time slots (TS) from a single TDM port into a single PW. The high level of integration provides the perfect solution for high-density applications to minimize cost, board space, and time to market.

Applications

  • HDLC-Encapsulated Data Over PSN
  • TDM Circuit Emulation Over PSN (TDM Leased-Line Services Over PSN, TDM Over BPON/GPON/EPON, TDM Over Cable, TDM Over Wireless, Cellular Backhaul, Multiservice Over Unified PSN)
DS34S132
32-Port TDM-over-Packet IC
DS34S132: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Application Note 1

Design Note 2

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Hardware Ecosystem

Parts Product Life Cycle Description
Interface Transceivers & Isolators 2
DS34S108
NOT RECOMMENDED FOR NEW DESIGNS Single/Dual/Quad/Octal TDM-Over-Packet Transport Devices
DS34T108
NOT RECOMMENDED FOR NEW DESIGNS Single/Dual/Quad/Octal TDM-Over-Packet Chip
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Tools & Simulations

BSDL Model File 2

IBIS Model 1

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