MAX4952BCTP+T Maxim Integrated, MAX4952BCTP+T Datasheet

MAX4952BCTP+T

Manufacturer Part Number

MAX4952BCTP+T

Description

Buffers & Line Drivers SINGALE LANE SAS RE-DRIVER

Manufacturer

Maxim Integrated

Datasheet

1.MAX4952BCTP.pdf (10 pages)

Specifications of MAX4952BCTP+T

Number Of Input Lines

Number Of Output Lines

Polarity

Non-Inverting

Supply Voltage - Max

3 V

Supply Voltage - Min

3.6 V

Data Rate

6 Gbps

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19-5126; Rev 0; 1/10

The MAX4952B dual-channel redriver is designed to

redrive one full lane of SAS or SATA signals up to

6.0Gbps and operates from a single +3.3V supply.

The MAX4952B is designed for commercial SAS or

SAS/SATA applications, such as servers.

The MAX4952B features independent output boost and

enhances signal integrity at the receiver by re-establishing

full output levels. SAS/SATA out-of-band (OOB) signaling

is supported using high-speed amplitude detection on

the inputs and squelch on the corresponding outputs.

Inputs and outputs are all terminated in 50I internally

and exhibit excellent return loss.

The MAX4952B is available in a small, 20-pin, 4.0mm x

4.0mm TQFN package with flow-through traces for ease

of layout. This device is specified over the 0NC to +70NC

operating temperature range.

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

Servers

Data Storage

________________________________________________________________ _Maxim Integrated Products_ _ 1

Dual 1.5/3.0/6.0Gbps SAS/SATA Redriver

General Description

Applications

+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed Pad.

MAX4952BCTP+

Single_+3.3V_Supply_Operation

Low_Power-Down_Current_(350µA_typ)_for_Power-

Sensitive_Applications

Supports_SAS_I/II/III_P_6.0Gbps

Excellent_Return_Loss

Supports_SAS/SATA_OOB-Level_Signaling

Independent_Output-Boost_Selection

On-Chip_50I_Input/Output_Terminations

In-Line_Signal_Traces_for_Flow-Through_Layout

Space-Saving,_4.0mm_x_4.0mm_TQFN_Package

ESD_Protection_on_All_Pins:_±5.5kV_(Human_Body_

Model)

E xceeds_SAS/SATA_Return_Loss_Mask_(Better_

Than_8dB_Up_to_3GHz)

Very_Fast_Entry_and_Exit_Time_of_5ns_(Max)

Programmable_SAS/SATA_Threshold

Two_Levels:_0dB,_6dB

PART

TEMP_RANGE

Ordering Information

0NC to +70NC

PIN-PACKAGE

20 TQFN-EP*

Features

Related parts for MAX4952BCTP+T

MAX4952BCTP+T Summary of contents

Page 1

... This device is specified over the 0NC to +70NC operating temperature range. Applications Servers Data Storage ________________________________________________________________ _Maxim Integrated Products_ _ 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Single_+3.3V_Supply_Operation S Low_Power-Down_Current_(350µA_typ)_for_Power- ...

Page 2

Dual 1.5/3.0/6.0Gbps SAS/SATA Redriver ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND.) V .......................................................................-0.3V to +4.0V CC All Other Pins (Note 1) ............................. -0. Short-Circuit Output Current DAP, DAM, HBM, HBP .........90mA Continuous Power Dissipation (T = +70NC) ...

Page 3

Dual 1.5/3.0/6.0Gbps SAS/SATA Redriver ELECTRICAL CHARACTERISTICS (continued +3.0V to +3.6V 10nF coupling capacitor on each output wise noted. Typical values are +3.3V and T CC PARAMETER SYMBOL Output Return Loss, ...

Page 4

Dual 1.5/3.0/6.0Gbps SAS/SATA Redriver (V = +3.3V GND +25NC; all eye diagrams measured using K28.5 pattern, unless otherwise noted 225mV , 1.5Gbps P-P MAX4952B toc01 400 300 200 ...

Page 5

Dual 1.5/3.0/6.0Gbps SAS/SATA Redriver (V = +3.3V GND +25NC; all eye diagrams measured using K28.5 pattern, unless otherwise noted 1600mV , 1.5Gbps P-P MAX4952B toc10 600 400 200 ...

Page 6

Dual 1.5/3.0/6.0Gbps SAS/SATA Redriver PIN NAME 1 HAP Noninverting Input from Host Channel A. HAP must be capacitively coupled (see note). 2 HAM Inverting Input from Host Channel A. HAM must be capacitively coupled (see note). 3, 13, 17, 18 ...

Page 7

Dual 1.5/3.0/6.0Gbps SAS/SATA Redriver Figure 1. Circuit for Measuring t for MAX4952B (refer to the SATA specifications for compliance measurement) R MAX4952B 50Ω 50Ω 50Ω HAP HAM V CC 50Ω 50Ω 50Ω HBM HBP CONTROL LOGIC ...

Page 8

Dual 1.5/3.0/6.0Gbps SAS/SATA Redriver SAS HOST CONTROLLER Figure 2. Typical Application Circuit BACKPLANE SAS/SATA HDD Figure 3. MAX4952B Driving a SAS Cable 8 ______________________________________________________________________________________ +3.3V 4.7 F 10nF (X7R HAP DAP Tx 10nF (X7R) HAM DAM MAX4952B 10nF ...

Page 9

Dual 1.5/3.0/6.0Gbps SAS/SATA Redriver Detailed Description The MAX4952B dual-channel redriver is designed to redrive one full lane of SAS/SATA signals up to 6.0Gbps while operating from a single +3.3V supply. The MAX4952B features independent output boost and enhances signal integrity ...

Page 10

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 10 2010 Maxim Integrated Products © ...

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