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Diodes Semiconductor Electronic Components Datasheet

PI3EQX1204-C Datasheet

12.5Gbps 4-channel SAS3 ReDriver

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A product Line of
Diodes Incorporated
PI3EQX1204-C
12.5Gbps 4-channel, SAS3 ReDriver with Linear Equalization
Features
ÎÎ1-12.5Gbps serial link with linear equalizer
ÎÎSupport SATA Gen1/Gen2/Gen3, SAS2/3, and XAUI protocol
ÎÎSupporting 4 differential channels
ÎÎHandle up to 34dB channel loss (42" FR4 trace or 10 meters
or SAS3 cable)
ÎÎIndependent channel configuration of receiver equalization,
output swing and flat gain
ÎÎRate and Coding Agnostic
ÎÎTransparent to link training, OOB, Idle
ÎÎ260mW per channel power dissipation with 700 mVpp
output swing
ÎÎPin strap and I2C selectable device programming
ÎÎ4-bit selectable address bit for I2C
ÎÎSupply Voltage: 3.3V±0.3V
ÎÎIndustrial Temperature Range: -40oC to 85oC
ÎÎPackaging (Pb-free & Green):
àà 42-contact TQFN (9mm x3.5mm)
Description
The PI3EQX1204-C is a SAS3, 4 differential channels ReDriver.
The device provides programmable linear equalization, output
swing and flat gain, by either pin strapping option or I2C Control,
to optimize performance over a variety of physical mediums by
reducing Inter-symbol interference.
PI3EQX1204-C supports four 100-Ohm Differential CML data
I/O’s and extends 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 ReDriver, whereas the
integrated linear amplifier/buffer circuitry provides flexibility
with signal integrity of the signal after the ReDriver.
Application
Rack Server, JBOD storage
Block Diagram
Pin Configuration (Top-Side View)
Input threshold
Detection
Conditional
pullup, 50-Ohm
or HIZ
VCC
CML Input buffer
I+
I-
Equalizer
Linear
Amp
Buffer
Conditional input
Load: 50-Ohm or Equalization
VCC 200K-ohm
control (4-bits)
Flat
gain
control
Swing
control
PRSNT#
Power
management
Flat gain Output Swing
control (2-bits) control (2-bits)
CML output
amplifier
O+
O-
^^ Repeats 4x ^^
SW1
SW0
VCC
A0RX+
A0RX-
VCC
A1RX+
A1RX-
VCC
A2RX+
A2RX-
VCC
A3RX+
A3RX-
VCC
DNC
DNC
42 41 40 39
1 38
2 37
3 36
4 35
5 34
6 33
7 32
8 31
9 30
10 29
11 28
12 27
13 26
14 25
15 24
16 23
17 22
18 19 20 21
FG1/I2C_RESET#
FG0
VCC
A0TX+
A0TX-
VCC
A1TX+
A1TX-
VCC
A2TX+
A2TX-
VCC
A3TX+
A3TX-
VCC
DNC
I2C_DONE
PI3EQX1204-C
Document number: DS40033 Rev.1-2
1 www.diodes.com
May 2017
® Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PI3EQX1204-C Datasheet

12.5Gbps 4-channel SAS3 ReDriver

No Preview Available !

A product Line of
Diodes Incorporated
Pin Description
Pin #
Data Signals
4
5
35
34
7
8
32
31
10
11
29
28
13
14
26
25
Control Signals
Pin Name
A0RX+
A0RX-
A0TX+
A0TX-
A1RX+
A1RX-
A1TX+
A1TX-
A2RX+
A2RX-
A2TX+
A2TX-
A3RX+
A3RX-
A3TX+
A3TX-
19 SCL
18
42, 41, 40, 39
SDA
AD[3:0]
20 PRSNT#
21
42, 41, 40, 39
1, 2
38, 37
38
ENI2C
EQ[3:0]
SW[1:0]
FG[1:0]
I2C_RESET#
PI3EQX1204-C
Type Description
I CML inputs for Channel A0, with internal 50-Ohm pull-up and ~200K-Ohm
I pull-up otherwise.
O CML outputs for Channel A0, with internal 50-Ohm pull-up and high
O impedance otherwise.
I CML inputs for Channel A1, with internal 50-Ohm pull-up and ~200K-Ohm
I otherwise.
O CML outputs for Channel A1, with internal 50-Ohm pull-up and high
O impedance otherwise.
I CML inputs for Channel A2, with internal 50-Ohm pull-up and ~200K-Ohm
I otherwise.
O CML outputs for Channel A2, with internal 50-Ohm pull-up and high
O impedance otherwise.
I CML inputs for Channel A3, with internal 50-Ohm pull-up and ~200K-Ohm
I otherwise.
O CML outputs for Channel A3, with internal 50-Ohm pull-up and high
O impedance otherwise.
I/O
I2C SCL Clock. In Master mode (ENI2C floating), SCL is an output.
Otherwise it is an input.
I/O I2C SDA data input/output.
I I2C programmable address bits, with internal 100k-Ohm pull-up.
This pin is active in both PIN mode(ENI2C=LOW) and I2C mode
I
(ENI2C=HIGH). Cable present detect input. This pin has internal 100K-ohm
pull-up. When High, a cable is not present, and the device is put in lower power
mode. When LOW, the device is enabled and in normal operation.
When LOW, each channel is programmed by the external pin voltage.
I When HIGH, each channel is programmed by the data stored in the I2C bus.
When floating, master mode (Read External EEPROM)
I
Inputs with internal 100k-Ohm pull-up. This pins set the amount of Equalizer
Boost in all channel when ENI2C is LOW.
I
Inputs with internal 100k-Ohm pull-up. This pin sets the output Voltage
Level in all channel when ENI2C is LOW.
I
Inputs with internal 100KΩ pull up resistor. Sets the output flat gain level
on all channels when ENI2C is low.
I
Inputs with internal 100KΩ pull up resistor. Reset pin for I2C.
When set low will reset the registers to default state.
PI3EQX1204-C
Document number: DS40033 Rev.1-2
2 www.diodes.com
May 2017
® Diodes Incorporated


Part Number PI3EQX1204-C
Description 12.5Gbps 4-channel SAS3 ReDriver
Maker Diodes
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PI3EQX1204-C Datasheet PDF






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