AD8158 查看數據表（PDF） - Analog Devices

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AD8158

6.5 Gbps Quad Buffer Mux/Demux

Analog Devices 

AD8158

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Functional Block Diagram .............................................................. 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

I2C Timing Specifications............................................................ 4

Absolute Maximum Ratings............................................................ 5

ESD Caution.................................................................................. 5

Pin Configuration and Function Descriptions............................. 6

Typical Performance Characteristics ............................................. 9

Theory of Operation ...................................................................... 15

The Switch (Mux/Demux/Unicast/Bicast/Loopback) ........... 16

Receivers ...................................................................................... 18

Lane Disables .............................................................................. 19

Equalizer Settings ....................................................................... 19

Loss of Signal (LOS)................................................................... 19

Lane Inversion: P/N Swap ......................................................... 21

Transmitters ................................................................................ 21

Output Level Programming and Output Structure ............... 21

REVISION HISTORY

6/08—Revision 0: Initial Version

Pre-Emphasis .............................................................................. 21

Output Compliance, AC vs. DC Coupling, Minimum Supply

Voltage, and the TX_HEADROOM Bit .................................. 23

Signal Levels and Common-Mode Shift for AC-Coupled and

DC-Coupled Outputs ................................................................ 24

Squelch and Disable ................................................................... 26

Speed Select................................................................................. 26

AD8158 Power Consumption .................................................. 26

Outputs ........................................................................................ 28

Power Saving Considerations ................................................... 28

I2C Control Interface...................................................................... 29

Serial Interface General Functionality..................................... 29

I2C Interface Data Transfers: Data Write ................................ 29

I2C Interface Data Transfers: Data Read ................................. 30

Applications Information .............................................................. 31

Supply Sequencing ..................................................................... 31

Single Supply vs. Multiple Supply Operation ......................... 31

Register Map ................................................................................... 32

Outline Dimensions ....................................................................... 34

Ordering Guide .......................................................................... 34

Rev. 0 | Page 2 of 36

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