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MAX4951CTP+TGH7

Description
IC REDRIVER ESATA 2CH 20TQFN
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size1MB,12 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX4951CTP+TGH7 Overview

IC REDRIVER ESATA 2CH 20TQFN

MAX4951CTP+TGH7 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
package instruction,
Reach Compliance Codecompliant
ECCN codeEAR99
Interface integrated circuit typeBUFFER OR INVERTER BASED PERIPHERAL DRIVER
Humidity sensitivity level1
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Maximum time at peak reflow temperatureNOT SPECIFIED
19-5815; Rev 0; 3/11
EVALUATION KIT AVAILABLE
MAX4951C
6Gbps SATA Bidirectional Redriver with Input Equalization,
Preemphasis, and Advanced Power Management
General Description
The MAX4951C dual-channel buffer with input equaliza-
tion and preemphasis is ideal to redrive internal serial-
ATA (SATA) 1i, 2i, and 3i signals as well as eSATA 1m
and 2m signals. The device features high electrostatic
discharge (ESD)
Q8kV
Human Body Model (HBM) pro-
tection. The device can be placed near a SATA connec-
tor on the motherboard to overcome board losses and
guarantee SATA compliance. The device is SATA speci-
fication version 3.0 (gold standard) compliant and can
also be pin-configured for SATA specification version 2.6
(gold standard) compliance.
The device features hardware SATA-drive cable detec-
tion that automatically places the device into a standby
mode that consumes less than 20FA (typ) standby cur-
rent when no drive is connected. In addition, the device
features an independent channel dynamic power-down
mode where power consumption is reduced when no
input signal is present. The device maintains output
common-mode levels to meet internal SATA version 3.0
standards and prevent delays when coming out of low-
power mode.
The device preserves signal integrity at the receiver by
reestablishing full output levels and reducing the total
system jitter (T
J
) by providing equalization. The device
features channel-independent digital preemphasis con-
trols to drive SATA outputs over longer trace lengths to
meet internal SATA specifications. SATA out-of-band
(OOB) signaling is supported using high-speed out-of-
band signal detection on the inputs, and squelch on
the corresponding outputs. Inputs and outputs are all
internally 50I terminated and must be AC-coupled to the
SATA controller IC and SATA device.
The device operates from a single +3.3V (typ) supply,
is available in a small, 4mm x 4mm TQFN package with
flow-through traces for ease of layout, and is specified
over the commercial 0NC to +70NC operating temperature
range. The MAX4951C is also pin compatible with the
MAX4951BE SATA 6.0Gbps redriver.
Ordering Information
appears at end of data sheet.
Benefits and Features
S
Unique Design Saves Power
Low-Power, 20µA (typ) SATA Cable/Drive Detect
Dynamic Power Reduction
Reduced Power Consumption When Idle
Maintains Common-Mode Output Level
No Loss of Data When Coming Out of Low-
Power Mode
S
Allows Design Flexibility
Single +3.3V Supply Operation
SATA 3i (6.0Gbps) and SATA 2i/2m (3.0Gbps)
Compliant
SATA 1i/1m (1.5Gbps) Compatible
S
Permits Longer Trace Lengths
Input Equalization
Selectable Output Preemphasis
S
High Level of Integration for Performance
Excellent Input/Output Return Loss Up to 6Gbps
Supports SATA 2i and 3i Output Levels
Supports SATA OOB Signaling
OOB Detection: 3ns (typ)
High ESD Protection on All Pins: ±8kV (HBM)
S
Saves Board Space
On-Chip 50I Input/Output Termination Resistors
Inline Signal Traces for Flow-Through Layout
Space-Saving, 4mm x 4mm TQFN Package with
Exposed Pad
Pin Compatible with the MAX4951BE
Applications
Laptop Computers
Servers
Desktop Computers
Docking Stations
Data Storage/Workstations
For related parts and recommended products to use with this part, refer to:
www.maxim-ic.com/MAX4951C.related
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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.
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