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Pericom Semiconductor Corporation

PI2EQX3201BL Datasheet Preview

PI2EQX3201BL Datasheet

1-port SATA2 I/m ReDriver

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PI2EQX3201BL
3.0Gbps 2 Differential Channel SATA i/m ReDriverTM
with Equalization, De-emphasis and OOB
Features
• SATA2 i/m, extended SATA2
• Two Pairs of 3.0Gbps differential signal
• Adjustable Transmitter Emphasis & Amplitude
• Adjustable Receiver Equalization
• 100-Ohm Differential CML I/O’s
• Input signal level detect and squelch for each channel
• Low Power (100mW per Channel)
• Stand-by Mode – Power Down State
• VDD Operating Range: 1.5V to 1.8V
• Packaging (Pb-free & Green):
— 36-pad TQFN (ZF36)
Description
Pericom Semiconductor’s PI2EQX3201BL is a low power,
signal ReDriver. The device provides programmable
equalization, amplication, and de-emphasis by using 4 select
bits, SEL[0:3], to optimize performance over a variety of
physical mediums by reducing Inter-Symbol Interference.
PI2EQX3201BL 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 exibility with
signal integrity of the signal before the re-driver. Whereas the
integrated de-emphasis circuitry provides exibility with signal
integrity of the signal after the re-driver.
A low-level input signal detection and output squelch function
is provided for each channel. Each channel operates fully
independantly. When a channel is enabled (EN_x=1) and
operating, that channels input signal level (on xI+/-) determines
whether the output is enabled. If the input level of the channel
falls below the active threshold level (Vth-) then the outputs are
driven to the common mode voltage.
In addition to providing signal re-conditioning, Pericom’s
PI2EQX3201BL also provides power management Stand-by
mode operated by a Bus Enable pin.
Block Diagram
SignalDetection
CML
xl+
xl-
SEL[0:1]_X
Equalizer
Limiting
Amp
CML
xO+
xO-
SEL2_x SEL3_x
EN_X
Power
Management
08-0329
Repeated 2 Times -
Pin Description (Top-Side View)
36 35 34 33 32 31 30 29
VDD 1
28
AI+ 2
27
AI- 3
26
GND 4
25
VDD 5
VDD 6
GND
B0+ 7
B0- 8
GND 9
VDD 10
11 12 13 14 15 16 17 18
24
23
22
21
20
19
VDD
A0+
A0-
GND
GND
VDD
BI+
BI-
GND
NC
1 PS9003A 12/11/08




Pericom Semiconductor Corporation

PI2EQX3201BL Datasheet Preview

PI2EQX3201BL Datasheet

1-port SATA2 I/m ReDriver

No Preview Available !

www.DataSheet4U.com
PI2EQX3201BL
3.0Gbps 2 Differential Channel Serial ReDriver
Equalization, De-emphasis and Squelch
Pin Description
Pin #
2
3
27
26
22
21
7
8
30
29
4, 9, 20, 24, 25,
Center Pad
11, 12, 17, 18, 19
36
35
34
33
13
14
32
15
31
16
1, 5, 6, 10, 23, 28
Pin Name
AI+
AI-
AO+
AO-
BI+
BI-
BO+
BO-
EN_A
EN_B
GND
NC
SD_A
SD_B
SEL0_A
SEL1_A
SEL0_B
SEL1_B
SEL2_A
SEL2_B
SEL3_A
SEL3_B
VDD
I/O Description
I CML Input Channel A with internal 50-Ohm pull down
O
CML Output Channel A internal 50-Ohm pull up. Drives to output common mode
voltage when input is <VTH–..
I CML Input Channel B with internal 50-Ohm pull down
O
CML Output Channel B with internal 50-Ohm pull up. Drives to output common
mode voltage when input is <VTH–.
I
EN_[A:B] is the enable pin. A LVCMOS high provides normal operation. A LVC-
MOS low selects a low power down mode.
PWR Supply Ground
- No Connect
Signal Detect, output for channels A and B. Provides a LVCMOS high output when
O a valid input signal is detected. When low, SD_X indicates that the input signal
level is below the signal detect threshold level.
I Selection pins for equalizer (see Amplier Conguration Table)
I w/ 50K-Ohm internal pull up
I
I
I
I
PWR
Selection pins for amplier (see Amplier Conguration Table)
w/ 50K-Ohm internal pull up
Selection pins for De-Emphasis (See De-Emphasis Conguration Table)
w/ 50K-Ohm internal pull up
1.5 to 1.8V Supply Voltage (±0.1V)
Output Swing Control
SEL2_[A:B]
0
1
Swing
1x
1.2x
Output De-emphasis Adjustment
SEL3_[A:B]
0
De-emphasis
0dB
1 -3.5dB
Equalizer Selection
SEL0_[A:B] SEL1_[A:B]
00
01
10
11
Compliance Channel @ 1.5GHz
no equalization
1.5dB ± 1.0dB
3.5dB ± 1.0dB
5.5dB ± 1.0dB
08-0329
2
PS9003A
12/11/08


Part Number PI2EQX3201BL
Description 1-port SATA2 I/m ReDriver
Maker Pericom Semiconductor Corporation
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