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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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CX28332-1X Fiches technique(PDF) 1 Page - Synaptics Incorporated. |
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CX28332-1X Fiches technique(HTML) 1 Page - Synaptics Incorporated. |
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1 / 68 page  Data Sheet 100985A June 2, 2000 Advance Information This document contains information on a product under development. The parametric information contains target parameters that are subject to change. NOTE(S): The TX Monitor is only used with the 100-pin CX2833i-3X. TPOS TNEG TCLK ENCODER TAIS Pulse Shaper E3MODE LINE DRIVER PDB DATA MUX RLOOP LLOOP LBO XOE TLINEP TLINEM/N DECODER RPOS RNEG RCLK RLOS TCLK Clock/ Data Recovery PDATA PDATA/ NDATA NDATA DATCLK P N Receiver TX Monitor ALOS RLINEP RLINEM/N TMONP TMONM TXMON TMONTST REFCLK REQH LIU #1 LIU #2 LIU #3 CX28331/CX28332/CX28333 Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit The CX28333 is a three-channel, E3/DS3/STS-1 fully-integrated Line Interface Unit (LIU). It is configured via external pins and does not need a microprocessor interface. Each channel has an independent equalizer on the receive side requiring no user configuration. Also, each channel has a programmable transmit pulse shaper that can be set to ensure that the cross-connect pulse mask requirement is met for transmit cable length up to 450 feet. The CX28332 is a dual-channel, and the CX28331 is a single-channel LIU with performance identical to the CX28333. The CX28333 gives the user new economies of scale in concentrator applications where three DS3 or STS-1 channels are concentrated into a single STS-3 channel. By including three independent transceivers on a chip, significant external components are eliminated, with the exception of 1:1 coupling transformers, termination resistors, and supply bypass capacitors. NOTE: In this document, "i" is used to represent the number of channels: i = 1 (CX28331), i = 2 (CX28332), and i = 3 (CX28333). Functional Block Diagram Distinguishing Features • Can be used as a data transceiver over a maximum of 900 feet of Type 734/728 coaxial cable or equivalent in an on-premise environment • Programmable pulse filtering to meet cross-connect pulse masks (ANSI T1.102-1993) • Meets jitter specifications of Bellcore GR499, GR253, and TBR24 (with external JAT). • Large input dynamic range • Alarms for coding violation and loss of signal • Full diagnostic loopback capability • Uses a minimum of external components • Compatible with ITU-T G.703, G.823 • Independent power down mode per channel • Easily interfaced to the DS3/E3 Framer IC (CX28342/3/4/6/8 and CN8330) • Selectable B3ZS/HDB3 encoding/decoding • Superior input receiver sensitivity (< 25 mV) • Transmit monitor inputs (CX2833i-3x series only) Physical Characteristics • 80- and 100-pin ETQFP package • Single 3.3 V power supply • 1 W maximum power dissipation (CX28333) • –40 °C to +85 °C temperature range • 5 V-tolerant pins • TTL digital pins Applications • Digital Cross-Connect Systems •Routers • ATM Switches • Channelized Line Aggregation Units • Test Equipment • Channel Service Units • Multiplexers |
Numéro de pièce similaire - CX28332-1X |
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Description similaire - CX28332-1X |
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