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STA1102R fiches techniques PDF

ST Microelectronics - 2 differential-pair channel eSATA signal re-driver

Numéro de référence STA1102R
Description 2 differential-pair channel eSATA signal re-driver
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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STA1102R fiche technique
STA1102R
3 Gbps, 2 differential-pair channel eSATA signal re-driver
Preliminary data
Features
Supports eSATA data rate of 1.5 Gbps and
3 Gbps
Supports complete eSATA bus of two 2-wire
differential-pair channels
Squelch detector for validity of input differential
signal
Single operating supply (VCC) range of 3.3 V ±
10%
Low power mode
100 Ω CML I/Os
eSATA hot-plug capable
Low capacitance on all channels
1-bit input equalizer regenerates the receiver
attenuated signal
1-bit adjustable pre-emphasis and driver to
drive the transmitter outputs over long PCB
track lengths
Low output skew and jitter
Low ground bounce
Available in QFN20 (4 x 4 mm) package
www.DataSheefto4oUt.pcorimnt with flow-through pinout
-40 °C to 85 °C operating temperature range
QFN20
(4 x 4 mm)
Description
The STA1102R is a serial data signal re-driver. It
integrates two differential-pair channels suitable
for eSATA signals up to a 3 Gbps data rate, in
compliance with the SATA rev 2.6 specification.
An input detector is available at each channel,
which constantly monitors the input signal level for
output squelch functionality. If the detected
differential input is below a defined threshold, the
output is biased to the common mode voltage.
High-speed data paths and the flow-through
pinout minimize internal device jitter and simplify
board layout. The integrated input equalizer
improves signal integrity at the receiver due to
effects from lossy cables. A 1-bit adjustable pre-
emphasis is also integrated to drive the
transmitter outputs over long PCB track lengths.
The device can be set to a low-power mode by
disabling the output current drivers through the
EN pin.
Table 1. Device summary
Order code
STA1102RQTR
Package
QFN20 (4 x 4 mm)
Packing
Tape and reel
October 2009
Doc ID 16470 Rev 1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
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