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Maxim Integrated Products - 1.5Gbps Serial ATA-Compatible Mux/Buffer

Numéro de référence MAX3786
Description 1.5Gbps Serial ATA-Compatible Mux/Buffer
Fabricant Maxim Integrated Products 
Logo Maxim Integrated Products 





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MAX3786 fiche technique
19-2727; Rev 2; 6/04
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EVAALVUAAILTAIOBNLEKIT
1.5Gbps Serial ATA-Compatible Mux/Buffer with
Loopback and Equalization
General Description
The MAX3786 is an AC-coupled, serial-ATA (SATA)-
compatible, 1.5Gbps multiplexer/buffer (mux/buffer) IC
that provides the capability to switch a single serial
data signal between two redundant I/O channels.
SATA out-of-band (OOB) signaling is supported using
loss-of-signal (LOS) detect on all three inputs and
shutdown on the corresponding outputs. The high-speed
inputs and outputs are all internally terminated, compati-
ble with 100differential systems, and must be AC-cou-
pled to the controller IC and SATA-compatible disk drive.
Receive equalization (EQ) and transmit preemphasis
(PE) are provided on the dual I/O channels to mitigate
the effects of intersymbol interference in the signal
path. Loopback can be enabled on the nonselected
I/O channel.
The MAX3786 operates from a single +3.3V supply and
typically consumes 520mW with PE and EQ enabled. It
is available in a 5mm x 5mm, 32-lead thin QFN
exposed-pad package and operates over a 0°C to
+85°C temperature range.
Applications
1.5Gbps Serial ATA Redundancy
Features
< 50psP-P Total Residual Jitter (20in FR-4, EQ
and PE On)
Supports SATA OOB Signaling
Loopback of Nonselected Channel
Receive Equalization and Transmit Preemphasis
on Controller-Side I/O Channels
0°C to +85°C Operation
32-Pin, 5mm 5mm Thin QFN Package
+3.3V Power Supply
Ordering Information
PART
TEMP RANGE PIN-PACKAGE PKG CODE
MAX3786UTJ
0°C to +85°C
32 Thin QFN-EP*
(5mm × 5mm)
T3255-2
MAX3786UTJ+
0°C to +85°C
32 Thin QFN-EP*
(5mm × 5mm)
+Denotes lead-free package.
*EP = Exposed pad.
Typical Application Circuit
2in TO 24in FR-4
CONTROLLER 1
OUT1 IN1
MAX3786
RX
TX
OUT0 IN0
DISK DRIVE
2in TO 24in FR-4
CONTROLLER 2
Pin Configuration and Functional Diagram appear at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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