DS33R41 Datasheet, PDF (1/333 Pages) Maxim Integrated Products – Inverse-Multiplexing Ethernet Mapper with Quad Integrated T1/E1/J1 Transceivers

DS33R41
Inverse-Multiplexing Ethernet Mapper with
Quad Integrated T1/E1/J1 Transceivers
www.maxim-ic.com
GENERAL DESCRIPTION
The DS33R41 extends a 10/100 Ethernet LAN
segment by encapsulating MAC frames in HDLC or
X.86 (LAPS) for transmission over four interleaved
T1/E1/J1 lines using a robust, balanced, and
programmable inverse multiplexing. Four integrated
T1/E1/J1 transceivers provide framing and line
interfacing functionality.
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.
FUNCTIONAL DIAGRAM
4 INTERLEAVED
SERIAL STREAMS
DS33R41
4 T1/E1/J1
TRANSCEIVERS
WITH BERTs
T1/E1
LINES
FEATURES
10/100 IEEE 802.3 Ethernet MAC (MII and
RMII) Half/Full Duplex with Automatic Flow
Control
Layer 1 Inverse Multiplexing Over Four
T1/E1/J1 Lines Through the Integrated
Framers and LIUs
Supports Up to 7.75ms Differential Delay
Aggregate Bandwidth from Up to Four
T1/E1/J1 Links
T1/E1 Signaling Capability for OAM
HDLC/LAPS Encapsulation with
Programmable FCS, Interframe Fill
CIR Controller Provides Fractional
Allocations in 512kbps Increments
Programmable BERTs
External 16MB, 100MHz SDRAM Buffering
Parallel Microprocessor Interface
1.8V, 3.3V Power Supplies
IEEE 1149.1 JTAG Support
Features continued on page 12.
HDLC/X.86
ETHERNET
MAPPER
10/100
MAC
MII/RMII
µC
SDRAM
10/100
ETHERNET
PHY
APPLICATIONS
Bonded Transparent LAN Service
LAN Extension
Ethernet Delivery Over T1/E1/J1
ORDERING INFORMATION
PART
TEMP RANGE PIN-PACKAGE
DS33R41
-40°C to +85°C 400 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.
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