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DS26401 Datasheet(PDF) 1 Page - Dallas Semiconductor |
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DS26401 Datasheet(HTML) 1 Page - Dallas Semiconductor |
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1 / 309 page  1 REV: 072403 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. GENERAL DESCRIPTION The DS26401 is an octal, software-selectable T1, E1 or J1 framer. It is composed of eight framer/formatters and a system (backplane) interface. Each framer has an HDLC controller that can be mapped to any DS0 or FDL (T1)/Sa (E1) bit. The DS26401 also includes a full-feature BERT device, which can be used with any of the eight T1/E1 ports, and an internal clock adapter useful for creating synchronous, high frequency backplane timing. The DS26401 is controlled through an 8-bit parallel port that can be configured for nonmultiplexed Intel or Motorola operation. APPLICATIONS Line Cards Routers Add-Drop Multiplexers IMA DSLAMs ATM Timing Systems WAN Interface PBXs Switches Customer-Premise Equipment Central Office Equipment Go to www.maxim-ic.com/telecom for a complete list of Telecommunications data sheets, evaluation kits, application notes, and software downloads. FEATURES § 8 Independent, Full-Featured T1/E1/J1 Framers/Formatters § Independent Transmit and Receive Paths § Flexible Signaling Extraction and Insertion § Alarm Detection and Insertion § Transmit Synchronizer § AMI, B8ZS, HDB3, NRZ Line Coding § Performance Monitor Counters § BOC Message Controller (T1) § Two-Frame Elastic Store Buffers for Each Transmitter and Receiver § One HDLC Controller per Framer § RAI-CI and AIS-CI Support § Full-Feature BERT can be Mapped to Any Port § Flexible TDM Backplane Supports Bus Rates from 1.544MHz to 16.384MHz § 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) ORDERING INFORMATION PART TEMP RANGE PIN-PACKAGE DS26401 0°C to +70°C 256 BGA DS26401N -40°C to +85°C 256 BGA DS26401 Octal T1/E1/J1 Framer www.maxim-ic.com |
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