pi2eqx3201b Pericom Semiconductor Corporation, pi2eqx3201b Datasheet

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pi2eqx3201b

Manufacturer Part Number
pi2eqx3201b
Description
2-channel Sata2 I/m Redriver, With Equalization And Oob
Manufacturer
Pericom Semiconductor Corporation
Datasheet

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Features
• Two Pairs of 3.2Gbps differential signal
• Adjustable Transmitter De-Emphasis & Amplitude
• Adjustable Receiver Equalization
• One Spread Spectrum Capable Clock Buffer Output
• 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
• Built in Clock Buffer
• Packaging (Pb-free & Green):
Block Diagram
— 36-pad TQFN (ZF36)
CC
CML
xl+
xl-
CKIN -
CKIN +
SEL [0:1]
07-0223
Operating Range: 1.5V to 1.8V
EN_X
Signal Detection
Power
Management
Equalizer
Buffer
IREF
Limiting
Amp
SEL [2]_x
-
CLK
LVCMOS
SEL [3]_x
CML
OUT-
OUT+
SD-X
xO+
xO-
3.2Gbps 2 Differential Channel Serial Re-driver
1
with Equalization, De-emphasis and Squelch
Description
Pericom Semiconductor’s PI2EQX3201B is a low power, signal
re-driver. The device provides programmable equalization,
amplifi cation, 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. PI2EQX3201B 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 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 then the output driver switches off, and the
pin is pulled to VDD via a high impedance resistor. 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
PI2EQX3201B also provides power management Stand-by
mode operated by a Bus Enable pin.
Pin Description
GND
V
GND
V
V
AI
AI
V
B
B
DD
DD
DD
DD
0+
0-
+
-
10
1
2
3
4
5
6
7
8
9
11
36
12
35
13
34
14
33
GND
15
32
16
31
PI2EQX3201B
17
30
18
29
28
27
26
25
24
23
22
21
20
19
PS8864D
V
A
A
GND
GND
V
BI
BI
GND
IREF
DD
0+
0-
DD
+
-
10/03/07

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pi2eqx3201b Summary of contents

Page 1

... Differential Channel Serial Re-driver with Equalization, De-emphasis and Squelch Description Pericom Semiconductor’s PI2EQX3201B is a low power, signal re-driver. The device provides programmable equalization, amplifi cation, 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. PI2EQX3201B supports two 100 Differential CML data I/O’ ...

Page 2

... Selection pins for amplifi er (see Amplifi er Confi guration Table) w/ 50KΩ internal pull Selection pins for De-Emphasis (See De-Emphasis Confi guration Table) w/ 50KΩ internal pull up I PWR 1.5 to 1.8V Supply Voltage 2 PI2EQX3201B Equalization, De-emphasis and Squelch Description PS8864D 10/03/07 ...

Page 3

... Exposure to absolute max i mum rating con di tions for ex- tended periods may affect re li abil i ty. Output De-emphasis Adjustment SEL3_[A: Compliance Channel 3 PI2EQX3201B Equalization, De-emphasis and Squelch De-emphasis 0dB -3.5dB PS8864D 10/03/07 ...

Page 4

... Differential Channel Serial Re-driver (V = 1.5 to 1.8V, ±0.1v) DD Conditions EN = LVCMOS Low EN = LVCMOS High From input to output 50 MHz to 1.25 GHz EN_X = High Total Jitter Deterministic jitter FR4 A B SmA SmA Connector Connector PI2EQX3201B Equalization, De-emphasis and Squelch Min. Typ. Max. 0.1 0.3 2.0 12 0.200 150 50 200 80 100 120 0.3 0.2 1.5 ...

Page 5

... The parameter is determined by device characterization, and is not production tested 07-0223 3.2Gbps 2 Differential Channel Serial Re-driver ( 70˚C) A Conditions Differential Swing | TX-D+ TX- TX-D+ TX-D- (1) 20% to 80% Single ended TX-DIFFP-P TX-D+ 5 PI2EQX3201B Equalization, De-emphasis and Squelch Min. Typ. Max. 300 425 0.3 150 100 120 75 200 - V | 600 850 TX-D- (3) (2) 1 ...

Page 6

... Differential Channel Serial Re-driver (V = 1.5V to 1.8V, ±0.1V) DD Parameters (1) (2) Rs 33Ω 5% TLA Rs 33Ω 5% TLB Rp Rp 49.9Ω 49.9Ω PI2EQX3201B Equalization, De-emphasis and Squelch (3) Min Max. Units 125 525 ps 75 660 900 -150 mV 200 550 200 250 Clock Clock# ...

Page 7

... Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 07-0223 3.2Gbps 2 Differential Channel Serial Re-driver Equalization, De-emphasis and Squelch DESCRIPTION: 36-contact, Very Thin Fine Pitch Quad Flat No-Lead (TQFN) PACKAGE CODE: ZF36 DOCUMENT CONTROL #: PD-2023 Package Code ZF Pb-Free and Green 36-pad TQFN 7 PI2EQX3201B DATE: 4/28/06 REVISION: B Package Description PS8864D 10/03/07 ...

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