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FEATURES
• Compensates
for cable and PCB trace attenuation
and ISI jitter
• Programmable receiver equalization up to 24dB
• Programmable
transmitter swing and de-emphasis
• Recovers
data stream even when the differential
signal eye is completely closed due to trace
attenuation and ISI jitter
• Full
SAS/SATA protocol support
• Configurable via external pins
• Leading edge power minimization in active and
shutdown modes
• No external bias resistors or reference
clocks required
• Channel mux mode, demux mode, 1 to 2
channels multicast, and Z-switch function mode
• Available in a 36-pin QFN package (4.0 x 7.5mm
with 0.5mm pitch)
BENEFITS
• Extends
maximum cable length to over 8 meters
and trace length over 48 inches in
SAS/SATA applications
• Minimizes BER
APPLICATIONS
• Blade servers, rack servers
• SAS/SATA
instrumentation
• Storage systems
• Cabled SAS/SATA devices
Device Overview
The IDT 89HP0604SB is a 6Gbps SAS/SATA
®
Repeater device featuring IDT EyeBoost
™
technology that
compensates for cable and board trace attenuations and ISI jitter, thereby extending connection reach. The
device is optimized for SAS/SATA high speed serial data streams and contains four data channels, each
able to process 6Gbps transmission rates. Each channel consists of an input equalizer and amplifier, signal
detection with glitch filter, as well as programmable output swing and de-emphasis. Allowing for application
specific optimization, the 89HP0604SB, with its configurable receiver and transmitter features, is ideal for
SAS/SATA applications using a wide combination of cables and board trace materials.
All modes of active data transfer are designed with minimized power consumption. In full shutdown mode,
the part consumes less than 40mW in worst case environmental conditions.
SAS/SATA Compliance
The device was designed to provide end users with features needed to comply with SAS/SATA system
application requirements:
– SAS/SATA Out-of-Band (OOB) Support
– Jitter, eye opening, and all other
Data path
AC and DC specifications.
A0RX(P:N)
B0TX(P:N)
EQ
89HP0604SB Block Diagram
The 89HP0604SB contains four
high speed channels as shown.
Each channel can be routed to
different outputs. Depending on
user configuration via mode
selections, input traffic can be
muxed or demuxed. Powerdown
(PDB) is provided for state and
channel control.
A0TX(P:N)
EQ
B0RX(P:N)
A1TX(P:N)
EQ
Channel controls
Control logic
B1RX(P:N)
(A:B)xTXSW
A1RX(P:N)
B1TX(P:N)
CHSEL
(A:B)xRXEQ
PDB
EQ
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DISCLAIMER Integrated Device Technology, Inc. (IDT) and its subsidiaries reserve the right to modify the products and/or specifications described herein at any time and at IDT’s sole discretion. All information in this document, including descriptions of
product features and performance, is subject to change without notice. Performance specifications and the operating parameters of the described products are determined in the independent state and are not guaranteed to perform the same way when
installed in customer products. The information contained herein is provided without representation or warranty of any kind, whether express or implied, including, but not limited to, the suitability of IDT’s products for any particular purpose, an implied
warranty of merchantability, or non-infringement of the intellectual property rights of others. This document is presented only as a guide and does not convey any license under intellectual property rights of IDT or any third parties. IDT’s products are not
intended for use in life support systems or similar devices where the failure or malfunction of an IDT product can be reasonably expected to significantly affect the health or safety of users. Anyone using an IDT product in such a manner does so at their
own risk, absent an express, written agreement by IDT.
Integrated Device Technology, IDT and the IDT logo are registered trademarks of IDT. Other trademarks and service marks used herein, including protected names, logos and designs, are the property of IDT or their respective third party owners.
