pi2eqx3202a Pericom Semiconductor Corporation, pi2eqx3202a Datasheet

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pi2eqx3202a

Manufacturer Part Number
pi2eqx3202a
Description
4-channel Sas/satax Redriver, With Equalization And Oob
Manufacturer
Pericom Semiconductor Corporation
Datasheet

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Features
• Supports data rates up to 3.2Gbps on each lane
• Adjustable Transmiter De-Emphasis & Amplitude
• Adjustable Receiver Equalization
• Two Spread Spectrum Reference Clock Buffer Outputs
• Input signal level detection & output squelch on all channels
• 100Ω Differential CML I/O’s
• Low Power (100mW per Channel)
• Standby Mode – Power Down State
• V
• Packaging (Pb-free & Green): 84-ball LFBGA (NB84)
Block Diagram
xl+
xl-
CML
CC
CKIN-
CKIN+
SEL [0:2]
07-0030
Operating Range: 1.8V +/-0.1V
Signal Detect
Equalizer
-- Repeated 4 times --
Management
Power
Buffer
IREF
Lighting
Amp
SEL [3:4]_x
EN_
CLK
CML
SEL [5:6]_x
OUT0-
OUT0+
OUT1-
OUT1+
SD_X
xO+
xO-
3.2Gbps, 4 Differential Channel, Serial Re-Driver
with Equalization, De-emphasis, and Squelch
1
Description
Pericom Semiconductor’s PI2EQX3202A is a low power, signal
Re-Driver. The device provides programmable equalization,
amplifi cation, and de-emphasis by using 7 select bits, SEL[0:6],
to optimize performance over a variety of physical mediums by
reducing Inter-symbol interference. PI2EQX3202A supports four
100 Differential CML data I/O’s between the Protocol ASIC to a
switch fabric, across a backplane, or extends 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 all four channels. Each channel operates fully
independantly. When a channel is enabled (EN_x=1) and
operating, that channel input signal level (on xl+/-) determines
whether the output is enabled. If the innput level of the channel
falls below the active threshold level (Vth-) then the output driver
switches off, and the pin is pulled to VDD via a high impedance
resistor.
In addition to providing signal re-conditioning, Pericom’s
PI2EQX3202A also provides power management Stand-by mode
operated by an Enable pin.
Pin Description
G
H
A
B
C
D
E
F
K
J
DO+
EN_CLK
BO+
GND
GND
SD_A
V DD
BO–
V DD
DO–
1
SEL0_C
SEL0_D
SEL1_C
SEL1_D
GND
V DD
V DD
SD_B
SD_C
SD_D
2
SEL0_A
SEL3_C
GND
GND
V DD
V DD
AI+
CI+
AI–
CI–
3
SEL2_C
SEL4_C
SEL0_B
SEL1_A
SEL1_B
V DD
4
SEL2_D
SEL4_A
SEL2_A
SEL2_B
CKIN+
OUT0+
84-Ball LFBGA
5
SEL3_D
SEL4_B
SEL3_A
SEL3_B
CKIN–
OUT0–
6
PI2EQX3202A
SEL6_A
SEL5_A
SEL5_B
OUT1+
GND
IREF
7
PS8863B
SEL6_B
OUT1–
GND
GND
V DD
V DD
DI+
BI+
DI–
BI–
8
SEL6_C
SEL6_D
SEL4_D
SEL5_C
EN_A
EN_C
EN_D
GND
GND
GND
9
02/09/07
SEL5_D
CO+
EN_B
AO+
GND
GND
V DD
AO–
V DD
CO–
10

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pi2eqx3202a Summary of contents

Page 1

... Differential Channel, Serial Re-Driver with Equalization, De-emphasis, and Squelch Description Pericom Semiconductor’s PI2EQX3202A is a low power, signal Re-Driver. The device provides programmable equalization, amplifi cation, and de-emphasis by using 7 select bits, SEL[0:6], to optimize performance over a variety of physical mediums by reducing Inter-symbol interference. PI2EQX3202A supports four 100 Differential CML data I/O’ ...

Page 2

... Negative CMLOutput Channel C with internal 50Ω pull up during normal operation O and 2kΩ pull up otherwise. Positive CMLOutput Channel D with internal 50Ω pull up during normal operation O and 2kΩ pull up otherwise. Negative CMLOutput Channel D with internal 50Ω pull up during normal operation O and 2kΩ pull up otherwise. 2 PI2EQX3202A Description PS8863B 02/09/07 ...

Page 3

... Exposure to absolute max i mum rating con di tions for ex- tended periods may affect re li abil i ty. SEL6_[A: PI2EQX3202A De-emphasis 0dB -2.5dB -3.5dB -4.5dB PS8863B 02/09/07 ...

Page 4

... Differential Channel, Serial Re-Driver with Equalization, De-emphasis, and Squelch Conditions EN = LVCMOS Low EN = LVCMOS High From input to output 50 MHz to 1.25 GHz E = High N_X Total Jitter Deterministic jitter FR4 A B SmA SmA Connector Connector PI2EQX3202A (V = 1.8 ±0.1V) DD Min. Typ. Max. Units 0.1 0.6 2.0 12 0.200 150 50 200 80 100 120 ...

Page 5

... Differential Channel, Serial Re-Driver with Equalization, De-emphasis, and Squelch Conditions Differential Swing | TX-D+ TX- TX-D+ TX-D- (1) 20% to 80% Single ended TX-DIFFP-P TX-D+ TX-D- 5 PI2EQX3202A ( 70˚C) Min. Typ. Max. Units 400 700 mVp 0.3 150 Ω 80 100 120 Ω 75 200 ...

Page 6

... Differential Channel, Serial Re-Driver with Equalization, De-emphasis, and Squelch (V = 1.8 ±0.1V Parameters (1) (2) Rs 33Ω 5% TLA Rs 33Ω 5% TLB Rp Rp 49.9Ω 49.9Ω PI2EQX3202A (3) = 1.8 ±0.1V) DD Min Max. Units 125 525 ps 75 660 900 -150 mV -200 550 200 250 Clock ...

Page 7

... X suffi Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 07-0030 3.2Gbps, 4 Differential Channel, Serial Re-Driver with Equalization, De-emphasis, and Squelch DESCRIPTION: 84-Ball LFBGA PACKAGE CODE: NB-84 DOCUMENT CONTROL #: PD-2038 Package Code NB Pb-free & Green 84-Ball LFBGA 7 PI2EQX3202A 0.50 ± 0.05 DATE: 08/19/05 REVISION: C Package Description PS8863B 02/09/07 ...

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