pi2eqx3211b Pericom Semiconductor Corporation, pi2eqx3211b Datasheet

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pi2eqx3211b

Manufacturer Part Number
pi2eqx3211b
Description
2-channel Sata2 I/m Redriver/equalizer With Flow-through Pinout
Manufacturer
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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pi2eqx3211b Summary of contents

Page 1

... Differential Channel Serial Re-driver with Equalization, Squelch and Flow-Through Pinout 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’ ...

Page 2

... TH– the enable pin. A LVCMOS high provides normal operation. A LVCMOS I low selects a low power down mode. PWR Supply Ground I Selection pins for equalizer (see Equalizer Selection Table) w/ 50KΩ internal pull up I PWR 1.8V Supply Voltage 2 PI2EQX3211B Description PS8901A 08/23/07 ...

Page 3

... From input to output EN = High Total Jitter Deterministic jitter 3 PI2EQX3211B Note: Stresses greater than those listed under MAX I MUM RAT- INGS may cause permanent damage to the de vice. This is a stress rating only and func tion tion of the device at these or any other conditions above those indicated in the operational sections of this spec i fi ...

Page 4

... SmA Connector Connector 70˚C) A Conditions Differential Swing | TX-D+ TX- TX-DIFFP-P TX- TX-D+ TX-D- (1) 20% to 80% Single ended 4 PI2EQX3211B C Pericom PI2EQX3211B In Out Min. Typ. Max. 200 375 - V | 400 750 TX- 0.3 150 100 120 75 200 0.65 × 0.35 × 250 ...

Page 5

... Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 07-0193 3.2Gbps 2 Differential Channel Serial Re-driver Equalization, Squelch and Flow-Through Pinout Pericom Semiconductor Corporation 3545 N. 1st Street, San Jose, CA 95134 1-800-435-2335 • www.pericom.com Package Code H Pb-Free and Green 20-lead SSOP 5 PI2EQX3211B Package Description PS8901A 08/23/07 ...

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