A product Line of
Diodes Incorporated
www.pericom.com | 1-408-232-9100
PRODUCT BRIEF
PI3EQX12908A
PCIe3/10GE/SAS3 12Gps 8-channel ReDriver™ with Linear Equalization
Description
Pericom Semiconductor’s PI3EQX12908A is a PCIe3, 10GE-
KR, SAS3, 8 differential channels ReDriver™. The device pro-
vides programmable linear equalization, output swing and
gain, by either pin strapping option or I
2
C Control, to optimize
performance over a variety of physical mediums by reducing
Inter-symbol interference.
The PI3EQX12908A supports eight 100-Ohm Differential
CML data I/O’s and extends the signals across other distant
data pathways on the user’s platform.
The programmable settings can be applied easily via pins,
software (I
2
C) or loaded via an external EEPROM.
When operating in the EEPROM mode, the configuration
information is automatically loaded on power up, which elimi-
nates the need for an external microprocessor or software driver.
The PI3EQX12908A offers fully Linear Transfer function to
fully comply with all PCIe 3, 10GE & SAS3 Link Training signals.
Features
SIGNAL INTEGRITY SOLUTIONS
Î 8-12Gbps serial link with linear equalizer
Î Handle up to 36dB channel loss
Î Support PCIe Gen 3, 10GE, SAS3 protocol
Î Supporting 8 differential channels
Î Independent channel configuration of receiver equaliz-
ation, output swing and flat gain
Î Per Channel Activity Detector with selectable input
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DD
DQG.WR9
DD
Î Per Channel Output Termination Detector on power up
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DD
and high impedance
Î 9HU\OLQHDUWUDQVIHUIXQFWLRQ
Î Fully compliant to PCISIG, 10GE-KR, SAS3 Link Training
Î Single-ended mode receiver detection for PCIe
Î Input Threshold detection
Î Pin strap and I
2
C master/slave selectable device
programming with external EEPROM
Î 4-bit selectable address bit for I
2
C
Î 6XSSO\9ROWDJH99
Î ,QGXVWULDO7HPSHUDWXUH5DQJH
o
C to 85
o
C
Î 3DFNDJLQJ3EIUHH*UHHQ
Î 54-contact TQFN (10mm x 5.5mm x 0.5mm pitch)
- flowthrough pinout
Eye Diagram
Host Channel Loss
Pericom
ReDriver
Device
End Point
Equalizer, De-emphasis,
Swing, and Amplifier Gain
Long input trace,
cable, or connectors
+
-
+
-
+
-
Output trace
+
-
+
-
+
-
+
-
Input trace
+
-
Long output trace,
cable, or connectors
Before Channel Loss
Before ReDriver
After ReDriver
TX
TX
RX
RX
Applications
Î Rack server
Î JBOD storage
Î Blade server
