XRS10L120 Datasheet, PDF (50/52 Pages) Exar Corporation – SERIAL ATA II: 1:2 PORT MULTIPLIER

XRS10L120
SERIAL ATA II: 1:2 PORT MULTIPLIER
5.0 FEATURES AND BENEFITS
PRELIMINARY
REV. P1.0.1
TABLE 17: FEATURES AND BENEFITS
DISTINGUISHING FEATURE
COMPETITIVE ADVANTAGE
SYSTEM BENEFIT
Support for 3.0 Gbps and 1.5 Backwards Compatibility to SATA Gen. 1
Gbps
Can be used with both SATA Gen. 1 and
Gen. 2 drives
Equalization and pre-empha- Superior analog front end. Very high signal Enables -
sis on the receive front end integrity. Meets -
• Longer distances on the copper/FR-4
• SATA Gen2i, Gen2x
• Improved signal integrity
Programmable Output Swing Optimizes Power Consumption
Provides compliance to both SAS and SATA
systems
Speed Negotiation
Locks to 3/1.5G SATA data without any exter- Reduces system complexity and software
nal components.
effort to implement auto rate adaptation.
Fast Locking & Low Latency Locks to incoming data with in 300 data Enhances the overall system performance.
edges. Latency is <25 clock cycles.
Built in Self Test.
Includes a PRBS generator and checker for Makes testing of the storage sub-systems
self testing. PRBS patterns of 2^10-1, 2^23-1, easier.
and 2^31-1 are all available.
2 Wire MDIO Bus
Control and monitoring features are managed Minimizes board space and system cost.
through a comprehensive register set instead
of multiple pins.
Power down modes
Supports the following modes of operation:
• Active Mode - 90 mW
• Partial Mode - <37.5 mW
• Slumber Mode - <5 mW
• Power down mode < 0.5mW
Provides full support of power management
commands from the connected hosts and
devices. Fully complies with the Serial ATA
II port multiplier specification.
Spread Spectrum Clocking
Full support for receipt and generation of sig- Reduces EMI to Enable FCC Compliance
nals that have been configured for Spread
Spectrum Clocking (SSC) support.
Test and Loopback modes Supports two forms of host loopback modes: Provide full testability in a system configura-
and two forms of device-side loopback modes tion.
Register Compatibility with Compliant with Legacy ATA Systems
ATA
Reduces software effort.
Low Power Consumption
(1 Watt)
No need of heat sink or airflow.
Minimizes System Costs.
PRODUCT NUMBER
XRS10L120IV
PRODUCT ORDERING INFORMATION
PACKAGE TYPE
100 Pin LQFP
OPERATING TEMPERATURE RANGE
-40°C to +85°C
48