A product Line of
Diodes Incorporated
PRODUCT BRIEF
SIGNAL INTEGRITY SOLUTIONS
PI3EQX12908A
PCIe3/10GE/SAS3 12Gps 8-channel ReDriver™ with Linear Equalization
Description
Features
Pericom Semiconductor’s PI3EQX12908A is a PCIe3, 10GEKR, SAS3, 8 differential channels ReDriver™. The device provides programmable linear equalization, output swing and
gain, by either pin strapping option or I 2C Control, to optimize
performance over a variety of physical mediums by reducing
Inter-symbol interference.
Î8-12Gbps serial link with linear equalizer
ÎHandle up to 36dB channel loss
ÎSupport PCIe Gen 3, 10GE, SAS3 protocol
ÎSupporting 8 differential channels
ÎIndependent channel configuration of receiver equaliz-
ation, output swing and flat gain
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.
ÎPer Channel Activity Detector with selectable input
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ÎPer Channel Output Termination Detector on power up
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and high impedance
The programmable settings can be applied easily via pins,
software (I 2C) or loaded via an external EEPROM.
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When operating in the EEPROM mode, the configuration
information is automatically loaded on power up, which eliminates the need for an external microprocessor or software driver.
ÎFully compliant to PCISIG, 10GE-KR, SAS3 Link Training
The PI3EQX12908A offers fully Linear Transfer function to
fully comply with all PCIe 3, 10GE & SAS3 Link Training signals.
ÎPin strap and I 2 C master/slave selectable device
Applications
Î6XSSO\9ROWDJH99
ÎSingle-ended mode receiver detection for PCIe
ÎInput Threshold detection
programming with external EEPROM
Î4-bit selectable address bit for I 2 C
ÎRack server
Î,QGXVWULDO7HPSHUDWXUH5DQJH oC to 85 oC
ÎJBOD storage
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ÎBlade server
Î54-contact TQFN (10mm x 5.5mm x 0.5mm pitch)
- flowthrough pinout
Eye Diagram
Before Channel Loss
Before ReDriver
After ReDriver
Pericom
ReDriver
Host
Channel Loss
TX +
RX +
-
Long input trace,
cable, or connectors
Long output trace,
cable, or connectors
Device
Equalizer, De-emphasis,
Swing, and Amplifier Gain
End Point
+
+
-
-
+
+
-
-
+ RX
Output trace
+ TX
Input trace
www.pericom.com
i
| 1-408-232-9100
1 408 232 910
100
0
-
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