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PDF PI2EQX3431 Data sheet ( Hoja de datos )
| Número de pieza | PI2EQX3431 | |
| Descripción | SATA2/SAS Re-Driver | |
| Fabricantes | Pericom Semiconductor Corporation | |
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Features
• Two 3.2Gbps differential signal pairs
• Adjustable Receiver Equalization
• 100-Ohm Differential CML I/O’s
• Independent Output Level Control
• Input signal level detect and squelch for each channel
• OOB Support
• Low Power (100mW per Channel)
• Stand-by Mode – Power Down State
• VCC Operating Range: 1.8V ±0.1V
• Packaging: — 20-TQFN (3.5x 4.5mm)
PI2EQX3431
3.2Gbps, 1-port, SATA2/SAS Re-Driver
Description
Pericom Semiconductor’s PI2EQX3431 is a low power, signal
Re-Driver. The device provides programmable equalization,
to optimize performance over a variety of physical mediums
by reducing Inter-Symbol Interference. PI2EQX3431 supports
two 100-Ohm Differential CML data I/O’s between the Protocol
ASIC to a switch fabric, across a backplane, or to extend the
signals across other distant data pathways on the user’s platform.
The integrated equalization circuitry provides flexibility with
signal integrity of the signal before the re-driver.
A low-level input signal detection and output squelch function
is provided for each channel. Each channel operates fully
independantly. When the channels are enabled (CE=1) and
operating, that channels input signal level (on xIN+/-) determines
whether the output is active. If the input signal level of the channel
falls below the active threshold level (Vth-) then the outputs are
driven to the common mode voltage.
In addition to signal conditioning, when CE = 0, the device
enters a low power standby mode.
Block Diagram
Signal Detection
CML
x_IN+
x_IN –
x_EQ
CE
Equalizer
Limiting
Amp
- Repeated 2 times -
Power
Management
Pin Description (Top Side View)
x_SD
CML
x_OUT+
x_OUT–
S_ES
F_SD
1 20
2 19
VDD
3
18
F_IN+ 4
17
F_IN-
VDD
R_OUT+
5
6
7
GND
16
15
14
R_OUT-
8
13
R_SD
9 12
10 11
CE
VDD
F_OUT+
F_OUT-
VDD
R_IN+
R_IN-
NC
08-0094
1
PS8950A
04/30/08
1 page  
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Packaging Mechanical: 20-contact TQFN (ZH)
PI2EQX3431
3.2 Gbps, 1-Port, SATA2 /SAS Re-Driver
08 0122
DATE: 03/14/08
DESCRIPTION: 20-Contact, Very Thin Quad Flat No-Lead, TQFN
PACKAGE CODE: ZH20
DOCUMENT CONTROL #: PD-2032
REVISION: A
Ordering Information
Ordering Number
PI2EQX3431ZHE
Package Code
ZH
Package Description
Pb-Free and Green 20-contact TQFN
Notes:
• Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
• E = Pb-free and Green
• X suffix = Tape/Reel
08-0094
Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com
5
PS8960A
04/30/08
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PI2EQX3431.PDF ] | |
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