pi2eqx4401d Pericom Semiconductor Corporation, pi2eqx4401d Datasheet

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pi2eqx4401d

Manufacturer Part Number
pi2eqx4401d
Description
2.5gbps X1 Lane Serial Pci-express Repeater/equalizer With Clock Buffer & Signal Detect Feature
Manufacturer
Pericom Semiconductor Corporation
Datasheet

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Part Number:
pi2eqx4401dZFE
Manufacturer:
Maxim
Quantity:
265
Features
• One high-speed PCI-Express lane
• Adjustable Transmiter De-Emphasis & Amplitude
• Adjustable Receiver Equalization
• One Spread Spectrum Reference Clock Buffer Output
• Input Signal Level Detect and Output Squelch
• 100Ω Differential CML I/O’s
• Low Power (100mW per Channel)
• Stand-by Mode – Power Down State
• V
• Packaging (Pb-free & Green):
— 36-pad TQFN (ZF36)
DD
06-0299
Operating Range: 1.8V ±0.1V
2.5Gbps x1 Lane Serial PCI-Express Repeater/Equalizer
1
Description
Pericom Semiconductor’s PI2EQX4401D is a low power,
PCI-Express compliant 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. PI2EQX4401D supports two 100Ω 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 both channels. Each channel operates fully
independantly. When a channel is enabled (EN_x=1) and
operating, that channel's input signal level (on xl+/-) determines
whether the output is enabled. If the input 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
PI2EQX4401D also provides power management Stand-by
mode operated by a Bus 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 Clock Buffer & Signal Detect Feature
PI2EQX4401D
PS8872F
11/17/06

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pi2eqx4401d Summary of contents

Page 1

... Lane Serial PCI-Express Repeater/Equalizer with Clock Buffer & Signal Detect Feature Description Pericom Semiconductor’s PI2EQX4401D is a low power, PCI-Express compliant 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. PI2EQX4401D supports two 100Ω ...

Page 2

... Lane Serial PCI-Express Repeater/Equalizer Pin Description LVCMOS V DD SIG_x AI+ AI- CML xO+ GND xO SEL[2]_x SEL GND V DD OUT0- OUT0+ CLK 2 PI2EQX4401D with Clock Buffer & Signal Defect FeaTure GND ...

Page 3

... External 475Ω resistor connection to set the differential output current. If the O clock buffer is not used, then IREF should be unconnected (open). SIG Detector output for channel A-B. Provides a LVCMOS high output when O an input signal greater than the threshold is detected 3 PI2EQX4401D Description PS8872F 11/17/06 ...

Page 4

... 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 4 PI2EQX4401D De-emphasis 0dB -3.5dB PS8872F 11/17/06 ...

Page 5

... DD Conditions EN = LVCMOS Low EN = LVCMOS High From input to output 50 MHz to 1.25 GHz EN_x=High (2) Total Jitter Deterministic jitter See note 2 FR4 A B SmA SmA Connector Connector PI2EQX4401D Min. Typ. Max. Units 0.1 W 0.6 2 0.175 1.200 V 150 mV 120 175 mV 80 100 120 Ω ...

Page 6

... Lane Serial PCI-Express Repeater/Equalizer with Clock Buffer & Signal Defect Feature ( 70˚C) A Conditions Differential Swing | TX-D+ TX- TX-D+ TX-D- (3) 20% to 80% Single ended TX-DIFFP-P TX-D+ 6 PI2EQX4401D Min. Typ. Max. 400 900 0.3 150 100 120 75 200 - V | 0.8 1.8 TX-D- 0.65 × V ...

Page 7

... Lane Serial PCI-Express Repeater/Equalizer with Clock Buffer & Signal Defect Feature (V = 1.8 ±0.1V Parameters Rs 33Ω 5% TLA Rs 33Ω 5% TLB Rp Rp 49.9Ω 49.9Ω PI2EQX4401D = 1.8 ±0.1V) DD Min Max. Units 125 525 ps 75 660 900 -200 mV 200 550 250 Clock ...

Page 8

... Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 06-0299 2.5Gbps x1 Lane Serial PCI-Express Repeater/Equalizer with Clock Buffer & Signal Defect Feature Package Code ZF Pb-Free and Green 36-pad TQFN 8 PI2EQX4401D Package Description PS8872F 11/17/06 ...

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