PI2EQX4401ZFEX Pericom Semiconductor, PI2EQX4401ZFEX Datasheet

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PI2EQX4401ZFEX

Manufacturer Part Number
PI2EQX4401ZFEX
Description
Clock Buffer 2.5Gbps Quad Serial PCI EX
Manufacturer
Pericom Semiconductor
Datasheet

Specifications of PI2EQX4401ZFEX

Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Package / Case
TQFN-36 EP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
• One high-speed PCI Express lane
• Adjustable Transmiter De-Emphasis & Amplitude
• Adjustable Receiver Equalization
• One Spread Spectrum Reference Clock Buffer Output
• 100Ω Differential CML I/O’s
• Low Power (100mW per Channel)
• Stand-by Mode – Power Down State
• V
• Built in Clock Buffer
• Packaging (Pb-free & Green):
Block Diagram
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Operating Range: 1.8V ±0.1V
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1
Description
Pericom Semiconductor’s PI2EQX4401 is a low power, PCI-
Express compliant signal re-driver.
programmable equalization, amplification, 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. PI2EQX4401 supports two 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 flexibility with
signal integrity of the PCI Express signal before the re-driver.
Whereas the integrated de-emphasis circuitry provides flexibility
with signal integrity of the PCI Express signal after the re-driver.
In addition to providing signal re-conditioning, Pericom’s
PI2EQX4401 also provides power management Stand-by mode
operated by a Bus Enable pin.
Pin Description
AV DD
GND
GND
V DD
V DD
V DD
B 0 +
B 0 -
Repeater/Equalizer with Clock Buffer
AI+
AI-
2.5Gbps x1 Lane Serial PCI Express
10
1
2
3
4
5
6
7
8
9
11
36
12
35
13
34
14
33
GND
15
32
16
31
17
30
PI2EQX4401
The device provides
18
29
PS8777B
28
27
26
25
24
23
22
21
20
19
V DD
A 0 +
A 0 -
GND
AGND
V DD
BI+
BI-
GND
IREF
02/15/06

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PI2EQX4401ZFEX Summary of contents

Page 1

... Description Pericom Semiconductor’s PI2EQX4401 is a low power, PCI- Express compliant signal re-driver. programmable equalization, amplification, 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. PI2EQX4401 supports two 100 Differential CML data I/O’ ...

Page 2

Pin Description Pin # Pin Name 1, 6, 10, 23 AI 20, 25 GND 22 BI+ 21 BI- 33, 34 SEL[0:1]_A 13, 14 SEL[0:1]_B 32 SEL[2]_A 15 SEL[2]_B 31 SEL[3]_A 16 SEL[3]_B ...

Page 3

Maximum Ratings (Above which useful life may be impaired. For user guidelines, not tested.) Storage Temperature........................................................ –65°C to +150°C Supply Voltage to Ground Potential ................................... –0.5V to +2.5V DC SIG Voltage.......................................................... –0. Current Output ................................................................-25mA to +25mA Power ...

Page 4

AC/DC Electrical Characteristics Symbol Parameter Ps Supply Power Latency CML Receiver Input RL Return Loss RX Differential Input Peak-to- V RX-DIFFP-P peak Voltage AC Peak Common Mode V RX-CM-ACP Input Voltage DC Differential Input Z RX-DIFF-DC Impedance Z DC Input ...

Page 5

AC/DC Electrical Characteristics Symbol Parameter CML Transmitter Output (100Ω differential) V Output Voltage Swing DIFFP V Common-Mode Voltage TX Transition Time Output resistance OUT Z DC Differential TX Impedance TX-DIFF- Coupling Capacitor ...

Page 6

AC Switching Characteristics for Clock Buffer Symbol Rise and Fall Time (measured between 0.175V to 0.525V) rise fall ΔT / ΔT Rise and Fall Time Variation rise fall V Voltage High including overshoot HIGH V Voltage Low ...

Page 7

... Notes: • Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ • Pb-free & Green • X suffix = Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 2.5Gbps x1 Lane Serial PCI Express Repeater/Equalizer with Clock Buffer 0.50 TYP. (36x) 0.20 REF. Package Code ZF ...

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