PI2EQX3211BHE PERICOM [Pericom Semiconductor Corporation], PI2EQX3211BHE Datasheet

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PI2EQX3211BHE

Manufacturer Part Number
PI2EQX3211BHE
Description
3.2Gbps 2 Differential Channel Serial Re-driver with Equalization, Squelch and Flow-Through Pinout
Manufacturer
PERICOM [Pericom Semiconductor Corporation]
Datasheet

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Features
• SATA s/m output drive
• Two 3.2Gbps differential channels
• Adjustable Receiver Equalization
• 100Ω 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
• V
• Packaging (Pb-free & Green):
Block Diagram
— 20-lead SSOP
CC
CML
xl+
xl-
07-0193
Operating Range: 1.8V ±0.1V
EQx
EN
Signal Detection
-Repeated 2 times-
Equalizer
Power
Management
Limiting
Amp
CML
with Equalization, Squelch and Flow-Through Pinout
xO+
xO-
3.2Gbps 2 Differential Channel Serial Re-driver
1
Description
Pericom Semiconductor’s PI2EQX3211B is a low power, signal
re-driver. The device provides programmable equalization, by
using 2 select bits, EQA and EQB, to optimize performance
over a variety of physical mediums by reducing Inter-Symbol
Interference. PI2EQX3211B supports two 100 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 fl exibility with
signal integrity of the signal before the re-driver. Whereas the
integrated de-emphasis circuitry provides fl 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 the channels are enabled (EN=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
PI2EQX3211B also provides power management Stand-by mode
operated by the Enable pin.
Pin Description
EQB
EQA
VDD
AI+
AI-
GND
VDD
BO+
BO-
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
PI2EQX3211B
EN
VDD
AO+
AO-
GND
VDD
BI+
BI-
GND
NC
PS8901A
08/23/07

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PI2EQX3211BHE Summary of contents

Page 1

Features • SATA s/m output drive • Two 3.2Gbps differential channels • Adjustable Receiver Equalization • 100Ω Differential CML I/O’s • Input signal level detect and squelch for each channel • Low Power (100mW per Channel) • Stand-by Mode – ...

Page 2

Pin Description Pin # Pin Name 3 AI+ 4 AI- 18 AO+ 17 AO- 14 BI+ 13 BI- 7 BO 12, 16 GND 1 EQA 10 EQB 2, 6, 11, 15 ...

Page 3

Maximum Ratings (Above which useful life may be impaired. For user guide lines, not tested.) Storage Temperature ........................................................ –65°C to +150°C Supply Voltage to Ground Potential ................................... –0.5V to +2.5V DC SIG Voltage .......................................................... –0. Current Output ................................................................-25mA ...

Page 4

Signal Source Figure 1. Test Condition Referenced in the Electrical Characteristic Table AC/DC Electrical Characteristics Symbol Parameter CML Transmitter Output (100Ω differential) V Output Voltage Swing DIFFP Differential Peak-to-peak V TX-DIFFP-P Ouput Voltage (2) V Common-Mode Voltage TX ...

Page 5

... Controlling dimensions in millimeters 2. Ref.: JEDEC MS-150B/AE 3. Package Outline Exclusive of Mold Flash and Metal Burr Ordering Information Ordering Number PI2EQX3211BHE Notes: • Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ • Pb-free and Green • X suffi Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 07-0193 3 ...

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