pi2eqx4402d Pericom Semiconductor Corporation, pi2eqx4402d Datasheet

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pi2eqx4402d

Manufacturer Part Number
pi2eqx4402d
Description
2.5 Gbps X2 Lane Serial Pci Express Repeater/equalizer With Signal Detect Feature
Manufacturer
Pericom Semiconductor Corporation
Datasheet

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Features
• Two High Speed PCI Express lanes
• Supports PCI Express data rates (2.5 Gbps) on each lane
• Adjustable Transmiter De-Emphasis & Amplitude
• Adjustable Receiver Equalization
• Input Signal Level Detect & Output Squelch on all Channels
• Two Spread Spectrum Reference Clock Buffer Outputs
• 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)
DD
06-0306
Operating Range: 1.8V +/-0.1V
2.5 Gbps x2 Lane Serial PCI Express Repeater/Equalizer
1
Description
Pericom Semiconductor’s PI2EQX4402D is a low power,
PCI Express compliant 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. PI2EQX4402D 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 PCI Express signal before the Re-Driver.
Whereas the integrated de-emphasis circuitry provides fl exibility
with signal integrity of the PCI Express 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
PI2EQX4402D also provides power management Stand-by mode
operated by an Enable pin. A differential clock buffer is provided
for test and other system requirements. This clock function is not
used by the data channels.
with Signal Detect feature
PI2EQX4402D
PS8873B
11/16/06

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pi2eqx4402d Summary of contents

Page 1

... VDD via a high impedance resistor. In addition to providing signal re-conditioning, Pericom’s PI2EQX4402D also provides power management Stand-by mode operated by an Enable pin. A differential clock buffer is provided for test and other system requirements. This clock function is not used by the data channels ...

Page 2

... H DO– OUT0- J GND OUT0+ EN_CLK OUT1- EN_CLK SEL1_D SEL3_C SEL4_C OUT0+ OUT0– OUT1+ OUT1– SEL5_C SEL5_D K OUT1+ 2 PI2EQX4402D with Signal Detect feature SD_B SEL0_A SEL0_B SEL4_A SEL4_B SEL6_A SEL6_B SD_C V DD SEL1_A SEL2_A SEL3_A SEL5_A ...

Page 3

... Negative CMLOutput Channel B with internal 50Ω pull up during normal operation O and 2KΩ pull up otherwise. Positive CMLOutput Channel C with internal 50Ω pull up during normal operation O and 2KΩ pull up otherwise. Negative CMLOutput Channel C with internal 50Ω pull up during normal operation O and 2KΩ pull up otherwise. 3 PI2EQX4402D with Signal Detect feature Description PS8873B 11/16/06 ...

Page 4

... SEL2_[A:D] Compliance Channel 0 No Equalization 1 [0:1.5dB] @ 1.25 GHz 0 [0:2.5dB] @ 1.25 GHz 1 [0:3.5dB] @ 1.25 GHz 0 [0:4.5dB] @ 1.25 GHz 1 [0:5.5dB] @ 1.25 GHz 0 [0:6.5dB] @ 1.25 GHz 1 [0:7.5dB] @ 1.25 GHz 4 PI2EQX4402D with Signal Detect feature Description Inputs Clock Outputs Clock output No clock output SEL6_[A:D] De-emphasis PS8873B 0dB -2.5dB -3 ...

Page 5

... Exposure to absolute max i mum rating con di tions for ex- tended periods may affect re li abil i ty. 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 5 PI2EQX4402D with Signal Detect feature (V = 1.8 ±0.1V) DD Min. Typ. Max. Units 0.1 W 0.6 2.0 ...

Page 6

... Lane Serial PCI Express Repeater / Equalizer Conditions Differential Swing | TX-D+ TX- TX-D+ TX-D- (1) 20% to 80% Single ended TX-DIFFP-P TX-D+ TX-D- 6 PI2EQX4402D with Signal Detect feature ( 70˚C) Min. Typ. Max. Units 400 900 mVp 0.3 150 Ω 80 100 120 Ω ...

Page 7

... Lane Serial PCI Express Repeater / Equalizer (V = 1.8 ±0.1V Parameters (1) (2) Rs 33Ω 5% TLA Rs 33Ω 5% TLB Rp Rp 49.9Ω 49.9Ω PI2EQX4402D with Signal Detect feature (3) = 1.8 ±0.1V) DD Min Max. Units 125 525 ps 75 660 900 -200 mV 200 550 250 Clock ...

Page 8

... Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ • Pb-free & Green • X suffi Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 06-0306 2.5Gbps x2 Lane Serial PCI Express Repeater / Equalizer Package Code NB Pb-free & Green 84-Ball LFBGA 8 PI2EQX4402D with Signal Detect feature Package Description PS8873B 11/16/06 ...

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