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AD8155

更新时间: 2024-02-25 11:19:14
品牌 Logo 应用领域
亚德诺 - ADI 解复用器
页数 文件大小 规格书
36页 1037K
描述
6.5 Gbps Dual Buffer Mux/Demux

AD8155 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:QFN
包装说明:HVQCCN,针数:64
Reach Compliance Code:unknown风险等级:5.82
JESD-30 代码:S-XQCC-N64JESD-609代码:e3
长度:9 mm湿度敏感等级:1
功能数量:1端子数量:64
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):225认证状态:COMMERCIAL
座面最大高度:1 mm标称供电电压:1.8 V
表面贴装:YES电信集成电路类型:ATM/SONET/SDH TRANSCEIVER
温度等级:INDUSTRIAL端子面层:MATTE TIN
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:9 mm

AD8155 数据手册

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6.5 Gbps  
Dual Buffer Mux/Demux  
AD8155  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Dual 2:1 mux/1:2 demux  
RECEIVE  
EQUALIZATION  
TRANSMIT  
PRE-  
EMPHASIS  
Optimized for dc to 6.5 Gbps NRZ data  
Per-lane P/N pair inversion for routing ease  
Programmable input equalization  
Compensates up to 40 inches of FR4  
Loss-of-signal detection  
Programmable output preemphasis up to 12 dB  
Programmable output levels with squelch and disable  
Accepts ac-coupled or dc-coupled differential CML inputs  
50 Ω on-chip termination  
EQ  
EQ  
Ix_A[1:0]  
Ix_B[1:0]  
2:1  
1:2  
Ox_C[1:0]  
Ix_C[1:0]  
Ox_A[1:0]  
Ox_B[1:0]  
EQ  
1:2 demux supports unicast or bicast operation  
Port-level loopback  
Port or single lane switching  
DUAL  
2:1  
MULTIPLEXER/  
1:2  
TRANSMIT  
PRE-  
EMPHASIS  
RECEIVE  
EQUALIZATION  
1.8 V to 3.3 V flexible core supply  
DEMULTIPLEXER  
User-settable I/O supply from VCC to 1.2 V  
Low power, typically 2.0 W in basic configuration  
64-lead LFCSP  
LB_A  
LB_B  
LB_C  
PE_A  
2
SCL  
SDA  
I2C_A[2:0]  
I C  
CONTROL  
LOGIC  
−40°C to +85°C operating temperature range  
PE_B  
PE_C  
EQ_A  
EQ_B  
EQ_C  
APPLICATIONS  
CONTROL  
LOGIC  
Low cost redundancy switch  
SEL[1:0]  
BICAST  
SEL4G  
RESET  
LOS_INT  
SONET OC48/SDH16 and lower data rates  
RXAUI, 4× Fibre Channel, Infiniband, and GbE over  
backplane  
OIF CEI 6.25 Gbps over backplane  
Serial data-level shift  
AD8155  
Figure 1.  
2-/4-/6-lane equalizers or redrivers  
The main application of the AD8155 is to support redundancy  
on both the backplane and the line interface sides of a serial  
link. The demultiplexing path implements unicast and bicast  
capability, allowing the part to support either 1 + 1 or 1:1  
redundancy.  
GENERAL DESCRIPTION  
The AD8155 is an asynchronous, protocol-agnostic, dual-lane  
2:1 switch with a total of six differential CML inputs and  
six differential CML outputs. The signal path supports NRZ  
signaling with data rates up to 6.5 Gbps per lane. Each lane  
offers programmable receive equalization, programmable  
output preemphasis, programmable output levels, and loss-of-  
signal detection.  
The AD8155 is also suited for testing high speed serial links  
because of its ability to duplicate incoming data. In a port-  
monitoring application, the AD8155 can maintain link  
connectivity with a pass-through connection from Port C to  
Port A while sending a duplicate copy of the data to test  
equipment on Port B.  
The nonblocking switch core of the AD8155 implements a  
2:1 multiplexer and 1:2 demultiplexer per lane and supports  
independent lane switching through the two select pins,  
SEL[1:0]. Each port is a two-lane link. Every lane implements  
an asynchronous path supporting dc to 6.5 Gbps NRZ data,  
fully independent of other lanes. The AD8155 has low latency  
and very low lane-to-lane skew.  
The rich feature set of the AD8155 can be controlled either  
through external toggle pins or by setting on-chip control  
registers through the I2C® interface.  
Rev. 0  
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 registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2009 Analog Devices, Inc. All rights reserved.  
 

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