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| S3455 SONET/SDH/ATM OC-48 4-Bit Transceiver with CDR The low jitter LVDS interface is compliant with the bit-error rate requirements of the Bellcore and ITU-T standards. The S3455 is packaged in a 196 Pin PBGA, offering designers a small package outline. Product Brief PB2022_v1.01_08/23/05 - At a Glance - S34 55 General Features * CMOS 0.18 micron technology * Complies with Bellcore and ITU-T specifications * On-chip high-frequency PLL for clock generation and clock recovery * Supports OC-48 (2488.32 Mbps) with FEC * Reference frequency of 155.52 MHz to 166.62 MHz * Interface to LVDS and LVCMOS logic * 4-bit LVDS data path * 196 Pin PBGA * Diagnostic loopback mode * Supports line timing * Lock detect * Signal detect input * Low jitter LVDS interface * Internal FIFO to decouple transmit clocks * Single 1.8 V supply * Typical power under 1.0 W Overview Description The S3455 SONET/SDH transceiver chip is a fully integrated serialization/ deserialization SONET OC-48 (2.488 Gbps - 2.670 Gbps) interface device. The S3455 receives an OC-48 scrambled Non-Return to Zero (NRZ) signal and recovers the clock from the data. The chip performs all necessary serial-to-parallel and parallel-to-serial functions in conformance with SONET/ SDH transmission standards. The device is suitable for SONET-based WDM applications. Figure 1 shows a typical network application. On-chip clock synthesis is performed by the high-frequency Phase-Locked Loop (PLL) on the S3455 transceiver chip allowing the use of a slower external transmit clock reference. The chip can be used with a 155.52 MHz (or 166.62 MHz) reference clock in support of existing system clocking schemes. The S3455 transceiver implements SONET/SDH serialization/deserialization, and transmission functions. The block diagram in Figure 2 shows the basic operation of the chip. This chip can be used to implement the front end of SONET equipment, which consists primarily of the serial transmit interface and the serial receive interface. The chip handles all the functions of these two elements, including parallel-to-serial and serial-to-parallel conversion, clock generation, and system timing. The system timing circuitry consists of management of the data stream and clock distribution throughout the front end. The table below shows the suggested interface devices for the S3455. AMCC Suggested Interface Devices S19202 STS-192 POS/ATM SONET/SDH Mapper 4 4 4 4 GANGES S19202 AMCC S3455 AMCC S3455 OTX ORX ORX OTX AMCC S3455 4 4 OTX ORX OTX ORX OTX ORX OTX ORX OTX ORX OTX 4 AMCC S3455 4 GANGES S19202 4 4 4 4 AMCC S3455 AMCC S3455 4 AMCC S3455 4 4 ORX AMCC S3455 4 Figure 1. System Block Diagram Empowering Intelligent Optical Networks 1 S3455 SONET/SDH/ATM OC-48 4-Bit Transceiver with CDR The S3455 is divided into a transmitter section and a receiver section. The sequence of operations is as follows: Transmitter Operations 1. 4-bit parallel input 2. Parallel-to-serial conversion 3. Serial output Receiver Operations For One Channel 1. Clock and data recovery from serial input 2. Serial-to-parallel conversion 3. 4-bit parallel output Internal clocking and control functions are transparent to the user. Product Brief PB2022_v1.01_08/23/05 Applications * Wavelength Division Multiplexing (WDM) equipment * SONET/SDH-based transmission systems * SONET/SDH modules * SONET/SDH test equipment * ATM over SONET/SDH * Section repeaters * Add Drop Multiplexers (ADM) * Broad-band cross-connects * Fiber optic terminators * Fiber optic test equipment Prefix S - Integrated Circuit Device 3455 Package PB - 196PBGA X Prefix XXXX Device XX Package (S3455 PB) Figure 2. S3455 Ordering Information AMCC reserves the right to make changes to its products, its datasheets, or related documentation, without notice and warrants its produts solely pursuant to its terms and conditions of sale, only to sustantially comply with the latest available datasheet. Please consult AMCC's Term and Conditions of Sale for its warranties and other terms, conditions and limitations. AMCC may discontinue any semiconductor product or service without notice, and advises its customers to obtain the latest version of relevant information to verify, before placing orders, that the information is current. AMCC does not assume any liability arising out of the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others. AMCC reserves the right to ship devices of higher grade in place of those of lower grade. AMCC SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, INTENDED, AUTHORIZED, OR WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT APPLICATIONS, DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS. AMCC is a registered Trademark of Applied Micro Circuits Corporation. Copyright (c) 2005 Applied Micro Circuits Corporation. Distribute only on a need-to-know basis, and subject to applicable NDA. Not to be disclosed to or used by any other person without prior authorization. Confidential and Proprietary 6290 Sequence Drive * San Diego, CA 92121 * Tel: 858 450-9333 * Fax: 858 450-9885 * http://www.amcc.com 2 Empowering Intelligent Optical Networks |
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