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Pericom Semiconductor Corporation

PI3EQX6741ST Datasheet Preview

PI3EQX6741ST Datasheet

SATA Gen 3i ReDriver

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PI3EQX6741ST
3.3V, 1-port, SATA Gen 3i ReDriver™ with
Adjustable Equalization/Pre-Emphasis
Features
ÎÎSupports SATA Gen 3i.
ÎÎTwo 6Gbps differential signal pairs
ÎÎ100Ω Differential CML I/O’s
ÎÎInput signal level detect and squelch for each channel
ÎÎOOB Support
ÎÎAutomatic HDD Rate detection for output swing/emphasis
setting
ÎÎTermination detect indication
àà Power saving mode control to Host or HDD
ÎÎAdjustable Receiver Equalization
ÎÎSelectable Output Pre-emphasis and Swing Control
ÎÎHigh impedance I/O termination in standby mode
ÎÎESD +/-8kV
ÎÎLow Power Operation: 254mW typical
ÎÎAuto-Slumber Mode: 36mW typical
ÎÎHDD unplugged: 3.6mW
ÎÎPower down Stand-by Mode: 0.7mW max
ÎÎSupply Voltage: 3.3V ±10%
ÎÎPackaging: 20-TQFN (4x4mm)
Applications
ÎÎNotebook, desktop, docking station, Set Top Box, Server
Workstation, Data Storage
Pin Diagram (Top Side View)
Description
Pericom’s PI3EQX6741ST is a low power, signal SATA Gen
3i 6Gbps ReDriver™. The device provides programmable equal-
ization and output emphasis, to optimize performance over a
variety of physical mediums by reducing Inter-Symbol Interfer-
ence. PI3EQX6741ST supports two 100Ω Differential CML data
I/O’s between the Protocol ASIC to a switch fabric, across a back-
plane, or to extend the signals across other distant data pathways
on the user’s platform.
The integrated equalization circuitry provides flexibilitywith
signal integrity of the signal before the ReDriver.
A low-level input signal detection and output squelch function
is provided for each channel. Each channel operates fully inde-
pendently. When the channels are enabled (EN=1) and operating,
that channels input signal level (on xI+/-) 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.
Termination Detect indication (TDet_A# or TDET_B#) provides
indication when the load is connected ie HDD or Host. This can
be used as control to go into power saving mode by either the host
or HDD.
In addition to signal conditioning, when EN = 0, the device
enters a low power standby mode.
Block Diagram
AI+
AI-
TDet_B#
BO-
BO+
20 19 18 17 16
1 15
2 14
3 GND 13
4 12
5 11
6 7 8 9 10
AO+
AO-
TDet_A#
BI-
BI+
All trademarks are property of their respective owners.
14-0128
Signal Detection
CML
xl+
50
xl-
VBIAS = 1.05V
50
Equalizer
Limiting
Amp
- Repeated 2 times -
Power
Control
EN
Management
Circuit
TDet_EN
TDet#
CML
xO+
xO-
x_EQ
x_EM
1 www.pericom.com 08/25/14




Pericom Semiconductor Corporation

PI3EQX6741ST Datasheet Preview

PI3EQX6741ST Datasheet

SATA Gen 3i ReDriver

No Preview Available !

PI3EQX6741ST
3.3V, 1-Port, SATA3i ReDriver™
Pin Description
Standard
Mode
Pin #
Pin Name Type
9 A_EM Input
17
A_EQ
Input
1
2
AI+
AI-
Input
15
14
AO+
AO-
Output
8 B_EM Input
19
B_EQ
Input
11
12
BI+
BI-
Input
5
4
BO+
BO-
Output
7 EN Input
Center
Pad
10, 20
3
GND
GND
VDD
Power
TDet_B# Output
13 TDet_A# Output
18 TDet_EN Input
6, 16 NC
Description
Output emphasis adjustment for channel A. (See Configuration Table)
Digital control with 200KΩ pull-up resistor.
Channel A Equalization adjustment is active. (See Configuration Table)
Tri-level input pin with 100KΩ pull-up and 100KΩ pull-down resistors.
CML input forward channel A with internal 50Ω pull-up resistors connected to VBIAS (100Ω
differential).
CML output channel A with internal 50Ω pull-up resistors connected to VBIAS (100Ω
differential).
Output emphasis adjustment for channel B. (See Configuration Table)
Digital control with 200KΩ pull-up resistor.
Tri-level input pin with 100KΩ pull-up and 100KΩ pull-down resistors. (See Configuration
Table)
CML input return channel B with internal 50KΩ pull-up, resistor connected to VBIAS (100Ω
differential).
Positive CML output channel B with internal 50Ω pull-up resistor connected to VBIAS (100Ω
differential).
Chip Enable "High" provides normal operation. "Low" for power down mode. With internal
200KΩ pull-up resistor.
Supply ground.
3.3V supply voltage ± 10%
Termination detect output for channel B-Active Low, open drain. Low: HDD Termination
present. High: HDD Termination NOT present.
Termination detect output for channel A-Active Low, open drain. Low: HDD Termination
present. High: HDD Termination NOT present.
Termination Detect Enable (200KΩ internal pull-up resistor)
High: Enable Termination Detect for eSATA application or hot plug Device application
Low: Disable Termination Detect for internal SATA application.
No Connection internally.
All trademarks are property of their respective owners.
14-0128
2
www.pericom.com 08/25/14


Part Number PI3EQX6741ST
Description SATA Gen 3i ReDriver
Maker Pericom Semiconductor Corporation
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