pi2eqx3211cm Pericom Semiconductor Corporation, pi2eqx3211cm Datasheet

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pi2eqx3211cm

Manufacturer Part Number
pi2eqx3211cm
Description
3.2gbps 2 Diferential Channel Serial Redriver With Equalization & Output Emphasis
Manufacturer
Pericom Semiconductor Corporation
Datasheet
Features
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Block Diagram
SATA s/m output drive
Two 3.2Gbps differential channels
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):
à 20-lead SSOP
xl+
CML
xl-
10-0176
EQx
EN
Signal Detection
-Repeated 2 times-
Equalizer
Power
Management
Limiting
Amp
3.2Gbps 2 Differential Channel Serial ReDriver with
CML
xO+
xO-
1
Description
Pericom Semiconductor’s PI2EQX3211CM 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 Inter-
ference. PI2EQX3211CM 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 flexibility with
signal integrity of the signal before the re-driver. Whereas the
integrated de-emphasis circuitry provides flexibility 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 indepen-
dently. 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.
Outputs provide increased amplitude (1.2x) and emphasis
(–2.5dB) to insure good signal characteristics.
In addition to providing signal re-conditioning, Pericom’s
PI2EQX3211CM also provides power management Stand-by
mode operated by the Enable pin.
Pin Description
Equalization & Output Emphasis
EQB
EQA
AI+
GND
BO+
GND
VDD
AI-
NC
BO-
1
2
3
4
5
6
7
8
9
10
www.pericom.com
PI2EQX3211CM
20
19
18
17
16
15
14
13
12
11
EN
NC
AO+
AO-
GND
NC
BI+
BI-
GND
VDD
P-0.1
06/11/10

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pi2eqx3211cm Summary of contents

Page 1

... Differential Channel Serial ReDriver with Equalization & Output Emphasis Description Pericom Semiconductor’s PI2EQX3211CM 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 Inter- ference. PI2EQX3211CM supports two 100-Ohm Differential CML data I/O’ ...

Page 2

... TH– the enable pin. A LVCMOS high provides normal operation. A LVCMOS low I selects a low power down mode. PWR Supply Ground I Selection pins for equalizer (see Equalizer Selection Table 50KΩ internal pull up PWR 1.5V to 1.8V (±0.1V) Supply Voltage No Connect 2 PI2EQX3211CM www.pericom.com P-0.1 06/11/10 ...

Page 3

... Exposure to absolute maximum rating conditions for extended periods may affect reliability 1.4 to 1.9V 70° Conditions EN = LVCMOS Low EN = LVCMOS High From input to output EN = High Total Jitter Deterministic jitter 3 PI2EQX3211CM Min. Typ. Max. Units 0.1 W 0.3 2.0 ns 0.200 V 150 mV 50 200 ...

Page 4

... SmA Connector Connector 1.4 to 1.9V 70° Conditions Differential Swing | TX-D+ TX- TX-DIFFP-P TX- TX-D+ TX-D- (1) 20% to 80% Single ended 4 PI2EQX3211CM C PI2EQX3211C In Out Min. Typ. Max. 200 450 mVp-p | 400 900 mV TX- 0.3 150 Ω 80 100 120 Ω 0.3 4 ...

Page 5

... 20-Pin, 209-Mil Wide, SSOP Package Code H 5 PI2EQX3211CM D A H20 1240 Package Description Pb-Free and Green 20-lead SSOP www.pericom.com P-0 ...

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