Quad IMUX Ethernet Mapper

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Status Explanations for product status codes

Active: In Production.


The DS33Z41 extends a 10/100 Ethernet LAN segment by encapsulating MAC frames in HDLC or X.86 (LAPS) for transmission over up to four interleaved PDH/TDM data streams using robust, balanced, and programmable inverse multiplexing. The Interleave Bus (IBO) serial link supports seamless bidirectional interconnection with Dallas Semiconductor's T1/E1 framers and transceivers.

The device performs store-and-forward of packets with full wire-speed transport capability. The built-in Committed Information Rate (CIR) Controller provides fractional bandwidth allocation up to the line rate in increments of 512kbps.

Data Sheet

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An evaluation board is available: DS33Z41DK

Key Features

  • 10/100 IEEE 802.3 Ethernet MAC (MII and RMII) Half/Full Duplex with Automatic Flow Control
  • Layer 1 Inverse Multiplexing Allows Bonding of Up to 4 T1/E1/J1 or DSL Links
  • Supports Up to 7.75ms Differential Delay
  • Channel (Byte) Interleaved Bus Operation
  • In-Band OAM and Signaling Capability
  • HDLC/LAPS Encapsulation with Programmable FCS, Interframe Fill
  • Committed Information Rate Controller Provides Fractional Allocation in 512kbps Increments
  • Programmable BERT for the Serial Interface
  • External 16MB, 100MHz SDRAM Buffering
  • Parallel Microprocessor Interface
  • 1.8V Operation with 3.3V Tolerant I/O
  • IEEE 1149.1 JTAG Support


  • Bonded Transparent LAN Service
  • Ethernet Delivery Over T1/E1/J1, T3/E3, OC-1/EC-1, G.SHDSL, or HDSL2/4
  • LAN Extension

Key Specifications:

T/E Carrier & Packetized Products
Part Number Transmission Standard Functions Channels VSUPPLY
See Notes
DS33Z41  Ethernet/Serial TDM Ethernet Mapper 4 3.3 $42.85 @1k
See All T/E Carrier & Packetized Products (88)

Pricing Notes:

This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


DS33Z41: Functional Diagram
Functional Diagram

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Information Index

Rev 1; 2006-12-22
This page last modified: 2009-09-23