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AD8153 датащи(PDF) 1 Page - Analog Devices |
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AD8153 датащи(HTML) 1 Page - Analog Devices |
1 / 18 page 3.2 Gbps Single Buffered Switch Preliminary Technical Data AD8153 Rev. PrA Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 © 2006 Analog Devices, Inc. All rights reserved. FEATURES Single lane 2:1 mux/1:2 demux 3.2 Gbps to DC data rates Compensates over 40 inches of FR4 at 3.2 Gbps through Two levels of input equalization, or Four levels of output pre-emphasis Accepts ac- or dc-coupled differential inputs Low deterministic jitter, typically 20 ps p-p Low random jitter, typically 1 ps RMS BER < 10-16 On-chip terminations Unicast or bicast on 1:2 demux function Loopback capability on all ports 3.3 V core supply Flexible I/O supply Low power, typically 200 mW in basic configuration1 32-lead QFN package −40°C to +85°C operating temperature range APPLICATIONS Low cost redundancy switch SONET OC48/SDH16 and lower data rates Gigabit Ethernet over backplane Fibre channel 1.06 Gbps and 2.12 Gbps over backplane Serial RapidIO PCI Express Infiniband over backplane GENERAL DESCRIPTION The AD8153 is an asynchronous, protocol agnostic, single-lane 2:1 switch with three differential PECL/CML-compatible inputs and three differential CML outputs. The AD8159, another member of the XstreamTM line of products, is suitable for similar applications that require more than one lane. The AD8153 is optimized for NRZ signaling with data rates of up to 3.2 Gbps per port. Each port offers two levels of input equalization and four levels of output pre-emphasis. The device consists of a 2:1 multiplexer and a 1:2 demultiplexer. There are three operating modes: pin mode, serial mode, and mixed mode. In pin mode, switching and equalization/pre- emphasis are controlled exclusively using external pins. In serial mode, an I2C interface is used exclusively to control the device, and to provide access to advanced features, such as additional pre-emphasis settings and output disable. In the mixed mode mode, the user accesses the advanced features using I2C, but controls device switching using the external pins. The main application of the AD8153 is to support redundancy on both the backplane side and the line interface side of a serial link. The device has unicast and bicast capability, so it is capable of supporting either 1 + 1 or 1:1 redundancy. Another application for AD8153 is testing high speed serial links by duplicating incoming data and sending it to the destination port and to test equipment simultaneously. Receive Equalization Receive Equalization Transmit Pre- Emphasis Control Logic 2:1 Multiplexer/ 1:2 Demultiplexer Transmit Pre- Emphasis Input A SEL BICAST LB_A LB_B LB_C SER/PARB RESETB EQ_A/I2C_SCL EQ_B/I2C_SDA EQ_C PE_A/I2C_ADDR0 PE_B/I2C_ADDR1 PE_C/I2C_ADDR2 1:2 Input B Output A Output C Output B 2:1 Input C EQ EQ EQ |
Аналогичный номер детали - AD8153 |
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Аналогичное описание - AD8153 |
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